docs: 수익화 시스템 문서 추가

- app-ads.txt 광고 인증 파일
- 수익화 시스템 계획 문서

android/app/src/main/AndroidManifest.xml

@@ -1,4 +1,7 @@
 <manifest xmlns:android="http://schemas.android.com/apk/res/android">
+    <!-- IAP 결제 권한 -->
+    <uses-permission android:name="com.android.vending.BILLING" />
+
     <application
         android:label="asciineverdie"
         android:name="${applicationName}"
@@ -29,6 +32,10 @@
                 <category android:name="android.intent.category.LAUNCHER"/>
             </intent-filter>
         </activity>
+        <!-- AdMob App ID -->
+        <meta-data
+            android:name="com.google.android.gms.ads.APPLICATION_ID"
+            android:value="ca-app-pub-6691216385521068~8216990571"/>
         <!-- Don't delete the meta-data below.
              This is used by the Flutter tool to generate GeneratedPluginRegistrant.java -->
         <meta-data

docs/app-ads.txt

@@ -0,0 +1 @@
+google.com, pub-6691216385521068, DIRECT, f08c47fec0942fa0

docs/plan_monetization_system.md

@@ -0,0 +1,395 @@
+# 수익화 시스템 설계
+
+## 메타 정보
+
+- **문서 버전**: 1.0
+- **최종 수정**: 2026-01-16
+- **상태**: 계획 단계
+- **플랫폼**: Android/iOS (모바일 전용)
+- **광고 SDK**: AdMob
+
+---
+
+## Task 리스트
+
+### Phase 1: 데이터 구조 (선행 작업)
+
+- [ ] `MonetizationState` 모델 생성
+- [ ] `DeathInfo.lostItem: EquipmentItem?` 필드 추가
+- [ ] `GameSave` v3 → v4 마이그레이션
+- [ ] 장비 손실 확률 공식 변경: `20% + (level-1) * 8.89%`
+- [ ] `ItemService.determineRarity()` 확률 수정: 34/40/20/5/1
+
+### Phase 2: AdMob 연동
+
+- [ ] `google_mobile_ads` 패키지 추가
+- [ ] `AdService` 클래스 생성
+- [ ] 리워드 광고 로드/표시/콜백 구현
+- [ ] 인터스티셜 광고 로드/표시/콜백 구현
+- [ ] 디버그 빌드 광고 ON/OFF 토글 구현
+
+### Phase 3: IAP 연동
+
+- [ ] `in_app_purchase` 패키지 추가
+- [ ] 광고 제거 상품 등록 (Google Play / App Store)
+- [ ] `IAPService` 클래스 생성
+- [ ] 구매 처리 로직 구현
+- [ ] 구매 복원 로직 구현
+- [ ] 구매 상태 영구 저장
+
+### Phase 4: 캐릭터 생성 광고
+
+- [ ] 굴리기 횟수 상태 관리 (rollsRemaining)
+- [ ] 굴리기 횟수 저장/로드 구현
+- [ ] 되돌리기 히스토리 관리
+- [ ] 되돌리기 횟수 상태 관리 (undoRemaining)
+- [ ] 캐릭터 생성 UI 수정: 굴리기 버튼
+- [ ] 캐릭터 생성 UI 수정: 되돌리기 버튼
+
+### Phase 5: 부활 시스템
+
+- [ ] 사망 시 `DeathInfo.lostItem` 저장 로직
+- [ ] `reviveWithAdReward()` 함수 구현
+- [ ] `reviveWithoutAd()` 함수 구현
+- [ ] 자동부활 버프 상태 관리 (autoReviveEndMs)
+- [ ] 자동부활 버프 중 사망 처리 로직
+- [ ] 사망 화면 UI: 광고 부활 버튼
+- [ ] 사망 화면 UI: 일반 부활 버튼
+
+### Phase 6: 속도업
+
+- [ ] 속도 상태 관리 (1x/2x/5x)
+- [ ] 명예의 전당 캐릭터 존재 여부 확인 로직
+- [ ] 5배속 버프 상태 관리 (speedBoostEndMs)
+- [ ] 속도 UI: 버튼 표시 로직
+- [ ] 속도 UI: 남은 시간 표시
+
+### Phase 7: 복귀 보상
+
+- [ ] `lastPlayTime` 저장/로드 구현
+- [ ] 오프라인 시간 계산 로직
+- [ ] 오프라인 진행 시뮬레이션 (1배/2배)
+- [ ] 보물 상자 축적 로직
+- [ ] 보물 상자 내용물 생성 로직
+- [ ] 행운의 부적 버프 발동 로직
+- [ ] 복귀 보상 UI: 환영 다이얼로그
+- [ ] 복귀 보상 UI: 상자 오픈
+
+### Phase 8: 디버그 기능
+
+- [ ] 메인 메뉴: 디버그 옵션 섹션 (kDebugMode)
+- [ ] 스타트 화면: 디버그 옵션 섹션
+- [ ] 광고 ON/OFF 토글
+- [ ] IAP 구매 시뮬레이션 토글
+- [ ] 오프라인 시간 시뮬레이션
+
+---
+
+## 스펙 요약
+
+### 광고 유형
+
+| ID | 유형 | 길이 | 사용처 |
+| -- | ---- | ---- | ------ |
+| AD_REWARD_REVIVE | 리워드 | 30초 | 부활 |
+| AD_REWARD_UNDO | 리워드 | 30초 | 캐릭터 생성 되돌리기 |
+| AD_INTERSTITIAL_ROLL | 인터스티셜 | 6초 | 굴리기 횟수 충전 |
+| AD_INTERSTITIAL_SPEED | 인터스티셜 | 6초 | 게임 속도업 |
+
+### IAP 상품
+
+| ID | 가격 | 유형 |
+| -- | ---- | ---- |
+| remove_ads | $9.99 | 비소모성 (1회 구매) |
+
+### 무료 vs 구매 유저 비교
+
+| 기능 | 무료 유저 | 구매 유저 |
+| ---- | --------- | --------- |
+| 광고 | 표시 | 제거 (버튼 클릭 시 바로 활성화) |
+| 복귀 상자 최대 | 5개 | 10개 |
+| 오프라인 진행 속도 | 1배 | 2배 |
+| 행운 버프 발동 | 1시간당 5분 | 30분당 5분 |
+| 캐릭터 되돌리기 | 1회 (광고) | 3회 (무료) |
+| 굴리기 충전 | 광고 필요 | 무제한 |
+| 속도업 | 광고 필요 | 무제한 |
+
+---
+
+## 상세 스펙
+
+### 1. 캐릭터 생성 - 굴리기
+
+```yaml
+rollsRemaining:
+  default: 5
+  min: 0
+  max: 5
+  recharge: +5 (인터스티셜 광고 시청 후)
+  persistence: 저장됨 (0회로 종료 시 재시작해도 0회)
+```
+
+### 2. 캐릭터 생성 - 되돌리기
+
+```yaml
+undoRemaining:
+  free_user: 1
+  paid_user: 3
+  ad_required:
+    free_user: true (30초 리워드)
+    paid_user: false
+  range: 1단계 전만
+  reset: 새로 굴리기 시작 시 초기화
+  constraint: min(undoRemaining, rollHistory.length)
+```
+
+### 3. 장비 손실 확률
+
+```yaml
+formula: 20 + (level - 1) * 80 / 9
+level_1: 20%
+level_5: 56%
+level_10_plus: 100%
+code: |
+  int calculateEquipmentLossChance(int level) {
+    if (level >= 10) return 100;
+    return 20 + ((level - 1) * 80 ~/ 9);
+  }
+```
+
+### 4. 부활 시스템
+
+```yaml
+normal_revive:
+  ad: false
+  hp_recovery: 50%
+  equipment_loss: confirmed
+  sacrifice: required
+
+ad_revive:
+  ad: true (30초 리워드)
+  hp_recovery: 100%
+  equipment_loss: cancelled (lostItem 복구)
+  sacrifice: none
+  auto_revive_buff:
+    duration: 600000ms (10분)
+    effect: 버프 중 사망 시 자동부활 + 장비 손실 없음
+```
+
+### 5. 게임 속도
+
+```yaml
+speed_levels:
+  - 1x: 기본
+  - 2x: 명예의 전당 캐릭터 1명 이상 시 해금
+  - 5x: 광고 시청 (5분간) 또는 IAP 구매 시 무제한
+
+speed_boost:
+  duration: 300000ms (5분)
+  ad: 인터스티셜 6초
+  paid_user: 광고 없이 무제한
+```
+
+### 6. 복귀 보상
+
+```yaml
+offline_progress:
+  free_user: 1x
+  paid_user: 2x
+
+treasure_chest:
+  rate: 1개/시간
+  max_free: 5개
+  max_paid: 10개
+  contents:
+    equipment: 50%
+    gold: 30%
+    potion: 15%
+    bonus_equipment: 5%
+
+lucky_charm_buff:
+  free_user: 5분/오프라인1시간
+  paid_user: 5분/오프라인30분
+  max_duration: 30분
+  effect:
+    common: 34% → 28%
+    uncommon: 40% → 40%
+    rare: 20% → 20%
+    epic: 5% → 10%
+    legendary: 1% → 2%
+```
+
+### 7. 아이템 희귀도 (목표)
+
+```yaml
+rarity_distribution:
+  common: 34%
+  uncommon: 40%
+  rare: 20%
+  epic: 5%
+  legendary: 1%
+note: 현재 코드와 다름. ItemService.determineRarity() 수정 필요
+```
+
+---
+
+## 데이터 모델
+
+### MonetizationState
+
+```dart
+class MonetizationState {
+  final bool adRemovalPurchased;      // IAP 구매 여부
+  final int rollsRemaining;           // 굴리기 남은 횟수 (0-5)
+  final int undoRemaining;            // 되돌리기 남은 횟수
+  final List<Stats>? rollHistory;     // 되돌리기용 히스토리
+  final int? autoReviveEndMs;         // 자동부활 버프 종료 시점
+  final int? speedBoostEndMs;         // 5배속 종료 시점
+  final DateTime? lastPlayTime;       // 마지막 플레이 시각
+  final int pendingChests;            // 미개봉 상자 개수
+  final int? luckyCharmEndMs;         // 행운 버프 종료 시점
+}
+```
+
+### DeathInfo 확장
+
+```dart
+class DeathInfo {
+  // 기존 필드
+  final String? lostItemName;
+  final EquipmentSlot? lostItemSlot;
+  final ItemRarity? lostItemRarity;
+
+  // 신규 필드
+  final EquipmentItem? lostItem;      // 복구용 전체 장비 정보
+}
+```
+
+### GameSave 버전
+
+```yaml
+current_version: 3
+next_version: 4
+migration:
+  - add: MonetizationState monetization
+  - add: DeathInfo.lostItem
+```
+
+---
+
+## 엣지 케이스
+
+| 케이스 | 조건 | 처리 |
+| ------ | ---- | ---- |
+| 광고 로드 실패 | 네트워크 오류 | 재시도 버튼 표시 |
+| 오프라인 상태 | 네트워크 없음 | 광고 버튼 비활성화 |
+| 광고 중 앱 종료 | 광고 미완료 | 보상 미지급 |
+| IAP 복원 | 앱 재설치 | 구글/애플 구매기록 확인 |
+| 자동부활 중 종료 | 버프 활성 중 | 남은 시간 저장 |
+| 시간 조작 | lastPlayTime > now | 복귀 보상 없음 |
+| 굴리기 0회 종료 | rollsRemaining == 0 | 0회 유지 |
+| 되돌리기 초과 | undoRemaining > historyLength | min 적용 |
+
+---
+
+## 디버그 옵션 (kDebugMode 전용)
+
+```yaml
+debug_options:
+  ad_enabled:
+    type: bool
+    default: true
+    off_behavior: 광고 버튼 클릭 시 바로 보상
+    on_behavior: 실제 광고 재생
+
+  iap_simulated:
+    type: bool
+    default: false
+    off_behavior: 무료 유저로 동작
+    on_behavior: 구매 유저로 동작
+
+  offline_hours:
+    type: int
+    options: [0, 1, 5, 10]
+    default: 0
+    purpose: 복귀 보상 테스트
+
+locations:
+  - 메인 메뉴 (광고 제거 버튼 아래)
+  - 스타트 화면
+```
+
+---
+
+## UI 요약
+
+### 메인 메뉴
+
+```
+[ 새 게임 ]
+[ 불러오기 ]
+[ 설정 ]
+[ 명예의 전당 ]
+────────────
+[ 광고 제거 - $9.99 ]    ← 구매 후 비활성화
+── Debug Only ──
+[ 광고: ON/OFF ]
+[ IAP: 미구매/구매 ]
+```
+
+### 캐릭터 생성
+
+```
+STR: 14  CON: 12  DEX: 10
+INT: 16  WIS: 8   CHA: 11
+Total: 71
+
+[ 굴리기 (N/5) ]         ← 0회 시 🎬 표시
+[ 🎬 이전으로 (N/M) ]    ← 무료:1회, 구매:3회
+```
+
+### 게임 화면 - 속도
+
+```
+명예의 전당 없음: [ 1x ] [ 🎬 5x ]
+명예의 전당 있음: [ 1x ] [ 2x ] [ 🎬 5x ]
+5배속 중: [ 5x ⏱️ 4:32 ]
+```
+
+### 사망 화면
+
+```
+☠️ You Died
+Killed by: {monster}
+Lost: {item}
+
+[ 🎬 광고 부활 (30초) ]
+  - 장비 복구
+  - 제물 없음
+  - HP 100%
+  - 10분 자동부활
+
+[ 일반 부활 ]
+  - 장비 손실
+  - 제물 소모
+  - HP 50%
+```
+
+---
+
+## 참고
+
+### 관련 파일
+
+- `lib/src/core/model/game_state.dart`: GameState 모델
+- `lib/src/core/engine/progress_service.dart`: 사망 처리 로직
+- `lib/src/core/storage/`: 저장/로드 시스템
+- `lib/src/core/engine/item_service.dart`: 아이템 희귀도 결정
+
+### 의존성 패키지
+
+```yaml
+dependencies:
+  google_mobile_ads: ^5.0.0  # AdMob
+  in_app_purchase: ^3.1.0    # IAP
+```

lib/data/game_text_l10n.dart

@@ -141,14 +141,56 @@ String get deathNoSacrificeNeeded =>
     _l('No sacrifice needed', '희생 없이 부활', '犠牲なしで復活');
 String get deathCoinRemaining => _l('Coin Remaining', '남은 코인', '残りコイン');
 String get deathResurrect => _l('Resurrect', '부활', '復活');
-String get deathAutoResurrect => _l('Auto Resurrect', '자동 부활', '自動復活');
 String get deathCombatLog => _l('Combat Log', '전투 기록', '戦闘ログ');
 
+// 광고 부활 (통합)
+String get deathAdRevive => _l('Watch Ad & Revive', '광고보고 부활', '広告視聴で復活');
+String get deathAdReviveHp => _l('HP 100% Recovery', 'HP 100% 회복', 'HP 100%回復');
+String get deathAdReviveItem => _l('Item Recovery', '아이템 복구', 'アイテム回収');
+String get deathAdReviveAuto =>
+    _l('10min Auto-Revive Buff', '10분간 자동부활 버프', '10分間自動復活バフ');
+String get deathAdRevivePaidDesc =>
+    _l('Premium: No ads required', '프리미엄: 광고 없이 이용', 'プレミアム: 広告不要');
+
 String deathKilledBy(String killerName) =>
     _l('Killed by $killerName', '$killerName에게 사망', '$killerNameに倒された');
 String get deathEnvironmentalHazard =>
     _l('Environmental hazard', '환경 피해로 사망', '環境ダメージで死亡');
 
+// ============================================================================
+// 속도 부스트 (Phase 6)
+// ============================================================================
+
+String get speedBoostTitle =>
+    _l('Speed Boost', '속도 부스트', 'スピードブースト');
+String get speedBoostActivate =>
+    _l('Activate 10x Speed', '10배속 활성화', '10倍速を有効化');
+String speedBoostRemaining(int seconds) =>
+    _l('${seconds}s remaining', '${seconds}초 남음', '残り${seconds}秒');
+String get speedBoostActive =>
+    _l('BOOST ACTIVE', '부스트 활성화', 'ブースト中');
+
+// ============================================================================
+// 복귀 보상 (Phase 7)
+// ============================================================================
+
+String get returnRewardTitle =>
+    _l('Welcome Back!', '돌아오셨군요!', 'おかえりなさい!');
+String returnRewardHoursAway(String time) =>
+    _l('You were away for $time', '$time 동안 떠나있었습니다', '$time 離れていました');
+String get returnRewardBasic =>
+    _l('Basic Reward', '기본 보상', '基本報酬');
+String get returnRewardBonus =>
+    _l('Bonus Reward', '보너스 보상', 'ボーナス報酬');
+String returnRewardGold(int gold) =>
+    _l('+$gold Gold', '+$gold 골드', '+$gold ゴールド');
+String get returnRewardClaim =>
+    _l('Claim', '받기', '受け取る');
+String get returnRewardClaimBonus =>
+    _l('Claim Bonus', '보너스 받기', 'ボーナス受取');
+String get returnRewardSkip =>
+    _l('Skip', '건너뛰기', 'スキップ');
+
 // ============================================================================
 // UI 일반 메시지
 // ============================================================================

lib/src/app.dart

@@ -3,6 +3,7 @@ import 'package:flutter/material.dart';
 import 'package:asciineverdie/data/game_text_l10n.dart' as game_l10n;
 import 'package:asciineverdie/l10n/app_localizations.dart';
 import 'package:asciineverdie/src/core/audio/audio_service.dart';
+import 'package:asciineverdie/src/core/engine/debug_settings_service.dart';
 import 'package:asciineverdie/src/shared/retro_colors.dart';
 import 'package:asciineverdie/src/core/engine/game_mutations.dart';
 import 'package:asciineverdie/src/core/engine/progress_service.dart';
@@ -23,6 +24,7 @@ import 'package:asciineverdie/src/features/game/game_session_controller.dart';
 import 'package:asciineverdie/src/features/game/widgets/notification_overlay.dart';
 import 'package:asciineverdie/src/features/hall_of_fame/hall_of_fame_screen.dart';
 import 'package:asciineverdie/src/features/new_character/new_character_screen.dart';
+import 'package:asciineverdie/src/features/settings/settings_screen.dart';
 
 class AskiiNeverDieApp extends StatefulWidget {
   const AskiiNeverDieApp({super.key});
@@ -81,6 +83,8 @@ class _AskiiNeverDieAppState extends State<AskiiNeverDieApp> {
     // 초기 설정 및 오디오 서비스 로드
     _loadSettings();
     _audioService.init();
+    // 디버그 설정 서비스 초기화 (Phase 8)
+    DebugSettingsService.instance.initialize();
     // 세이브 파일 존재 여부 확인
     _checkForExistingSave();
     // 명예의 전당 로드
@@ -118,7 +122,7 @@ class _AskiiNeverDieAppState extends State<AskiiNeverDieApp> {
 
     if (exists) {
       // 세이브 파일에서 미리보기 정보 추출
-      final (outcome, state, _) = await _controller.saveManager.loadState();
+      final (outcome, state, _, _) = await _controller.saveManager.loadState();
       if (outcome.success && state != null) {
         final actName = _getActName(state.progress.plotStageCount);
         preview = SavedGamePreview(
@@ -465,6 +469,7 @@ class _AskiiNeverDieAppState extends State<AskiiNeverDieApp> {
       onLoadSave: _loadSave,
       onHallOfFame: _navigateToHallOfFame,
       onLocalArena: _navigateToArena,
+      onSettings: _showSettings,
       hasSaveFile: _hasSave,
       savedGamePreview: _savedGamePreview,
       hallOfFameCount: _hallOfFame.count,
@@ -602,6 +607,18 @@ class _AskiiNeverDieAppState extends State<AskiiNeverDieApp> {
           _audioService.playBgm('title');
         });
   }
+
+  /// 설정 화면 표시 (모달 바텀시트)
+  void _showSettings(BuildContext context) {
+    SettingsScreen.show(
+      context,
+      settingsRepository: _settingsRepository,
+      currentThemeMode: _themeMode,
+      onThemeModeChange: _changeThemeMode,
+      onBgmVolumeChange: _audioService.setBgmVolume,
+      onSfxVolumeChange: _audioService.setSfxVolume,
+    );
+  }
 }
 
 /// 스플래시 화면 (세이브 파일 확인 중) - 레트로 스타일

lib/src/core/engine/ad_service.dart

@@ -0,0 +1,359 @@
+import 'dart:io';
+
+import 'package:flutter/foundation.dart';
+import 'package:google_mobile_ads/google_mobile_ads.dart';
+
+/// 광고 타입
+enum AdType {
+  /// 부활용 리워드 광고 (30초)
+  rewardRevive,
+
+  /// 캐릭터 생성 되돌리기용 리워드 광고 (30초)
+  rewardUndo,
+
+  /// 굴리기 충전용 인터스티셜 광고 (6초)
+  interstitialRoll,
+
+  /// 속도업용 인터스티셜 광고 (6초)
+  interstitialSpeed,
+}
+
+/// 광고 결과
+enum AdResult {
+  /// 광고 시청 완료 (보상 지급)
+  completed,
+
+  /// 광고 시청 취소/스킵
+  cancelled,
+
+  /// 광고 로드 실패
+  failed,
+
+  /// 디버그 모드에서 광고 스킵
+  debugSkipped,
+}
+
+/// 광고 서비스
+///
+/// AdMob 리워드/인터스티셜 광고 로드 및 표시를 관리합니다.
+/// 디버그 모드에서는 광고 ON/OFF 토글이 가능합니다.
+class AdService {
+  AdService._();
+
+  static AdService? _instance;
+
+  /// 싱글톤 인스턴스
+  static AdService get instance {
+    _instance ??= AdService._();
+    return _instance!;
+  }
+
+  // ===========================================================================
+  // 광고 단위 ID
+  // ===========================================================================
+
+  // ─────────────────────────────────────────────────────────────────────────
+  // 테스트 광고 ID (Google 공식 테스트 ID)
+  // ─────────────────────────────────────────────────────────────────────────
+  static const String _testRewardedAndroid =
+      'ca-app-pub-3940256099942544/5224354917';
+  static const String _testRewardedIos =
+      'ca-app-pub-3940256099942544/1712485313';
+  static const String _testInterstitialAndroid =
+      'ca-app-pub-3940256099942544/1033173712';
+  static const String _testInterstitialIos =
+      'ca-app-pub-3940256099942544/4411468910';
+
+  // ─────────────────────────────────────────────────────────────────────────
+  // 프로덕션 광고 ID (AdMob 콘솔에서 생성 후 교체)
+  // ─────────────────────────────────────────────────────────────────────────
+  // TODO: AdMob 콘솔에서 광고 단위 생성 후 아래 ID 교체
+  static const String _prodRewardedAndroid =
+      'ca-app-pub-XXXXXXXXXXXXXXXX/XXXXXXXXXX'; // Android 리워드 광고
+  static const String _prodRewardedIos =
+      'ca-app-pub-XXXXXXXXXXXXXXXX/XXXXXXXXXX'; // iOS 리워드 광고
+  static const String _prodInterstitialAndroid =
+      'ca-app-pub-XXXXXXXXXXXXXXXX/XXXXXXXXXX'; // Android 인터스티셜 광고
+  static const String _prodInterstitialIos =
+      'ca-app-pub-XXXXXXXXXXXXXXXX/XXXXXXXXXX'; // iOS 인터스티셜 광고
+
+  /// 리워드 광고 단위 ID (릴리즈 빌드: 프로덕션 ID, 디버그 빌드: 테스트 ID)
+  String get _rewardAdUnitId {
+    if (Platform.isAndroid) {
+      return kReleaseMode ? _prodRewardedAndroid : _testRewardedAndroid;
+    } else if (Platform.isIOS) {
+      return kReleaseMode ? _prodRewardedIos : _testRewardedIos;
+    }
+    return '';
+  }
+
+  /// 인터스티셜 광고 단위 ID (릴리즈 빌드: 프로덕션 ID, 디버그 빌드: 테스트 ID)
+  String get _interstitialAdUnitId {
+    if (Platform.isAndroid) {
+      return kReleaseMode ? _prodInterstitialAndroid : _testInterstitialAndroid;
+    } else if (Platform.isIOS) {
+      return kReleaseMode ? _prodInterstitialIos : _testInterstitialIos;
+    }
+    return '';
+  }
+
+  // ===========================================================================
+  // 상태
+  // ===========================================================================
+
+  bool _isInitialized = false;
+
+  /// 디버그 모드에서 광고 활성화 여부
+  bool _debugAdEnabled = true;
+
+  /// 로드된 리워드 광고
+  RewardedAd? _rewardedAd;
+
+  /// 로드된 인터스티셜 광고
+  InterstitialAd? _interstitialAd;
+
+  /// 리워드 광고 로딩 중 여부
+  bool _isLoadingRewardedAd = false;
+
+  /// 인터스티셜 광고 로딩 중 여부
+  bool _isLoadingInterstitialAd = false;
+
+  // ===========================================================================
+  // 초기화
+  // ===========================================================================
+
+  /// AdMob SDK 초기화
+  Future<void> initialize() async {
+    if (_isInitialized) return;
+
+    // 모바일 플랫폼에서만 초기화
+    if (!Platform.isAndroid && !Platform.isIOS) {
+      debugPrint('[AdService] Non-mobile platform, skipping initialization');
+      return;
+    }
+
+    await MobileAds.instance.initialize();
+    _isInitialized = true;
+    debugPrint('[AdService] Initialized');
+
+    // 초기 광고 로드
+    _loadRewardedAd();
+    _loadInterstitialAd();
+  }
+
+  // ===========================================================================
+  // 디버그 설정
+  // ===========================================================================
+
+  /// 디버그 모드 광고 활성화 여부
+  bool get debugAdEnabled => _debugAdEnabled;
+
+  /// 디버그 모드 광고 토글
+  set debugAdEnabled(bool value) {
+    _debugAdEnabled = value;
+    debugPrint('[AdService] Debug ad enabled: $value');
+  }
+
+  /// 광고를 스킵할지 여부
+  ///
+  /// 스킵 조건:
+  /// - 비모바일 플랫폼 (macOS, Windows, Linux, Web)
+  /// - 디버그 모드에서 광고 비활성화
+  bool get _shouldSkipAd {
+    // 웹에서는 항상 스킵
+    if (kIsWeb) return true;
+    // 비모바일 플랫폼(데스크톱)에서는 항상 스킵
+    if (!Platform.isAndroid && !Platform.isIOS) {
+      return true;
+    }
+    // 디버그 모드에서 광고 비활성화 시 스킵
+    return kDebugMode && !_debugAdEnabled;
+  }
+
+  // ===========================================================================
+  // 리워드 광고
+  // ===========================================================================
+
+  /// 리워드 광고 로드
+  void _loadRewardedAd() {
+    if (_isLoadingRewardedAd || _rewardedAd != null) return;
+    if (!_isInitialized) return;
+
+    _isLoadingRewardedAd = true;
+    debugPrint('[AdService] Loading rewarded ad...');
+
+    RewardedAd.load(
+      adUnitId: _rewardAdUnitId,
+      request: const AdRequest(),
+      rewardedAdLoadCallback: RewardedAdLoadCallback(
+        onAdLoaded: (ad) {
+          _rewardedAd = ad;
+          _isLoadingRewardedAd = false;
+          debugPrint('[AdService] Rewarded ad loaded');
+        },
+        onAdFailedToLoad: (error) {
+          _isLoadingRewardedAd = false;
+          debugPrint('[AdService] Rewarded ad failed to load: ${error.message}');
+        },
+      ),
+    );
+  }
+
+  /// 리워드 광고 준비 여부
+  bool get isRewardedAdReady => _rewardedAd != null || _shouldSkipAd;
+
+  /// 리워드 광고 표시
+  ///
+  /// [adType] 광고 타입 (로깅용)
+  /// [onRewarded] 보상 지급 콜백
+  /// Returns: 광고 결과
+  Future<AdResult> showRewardedAd({
+    required AdType adType,
+    required void Function() onRewarded,
+  }) async {
+    // 디버그 모드에서 광고 스킵
+    if (_shouldSkipAd) {
+      debugPrint('[AdService] Debug: Skipping $adType ad');
+      onRewarded();
+      return AdResult.debugSkipped;
+    }
+
+    // 광고가 로드되지 않은 경우
+    if (_rewardedAd == null) {
+      debugPrint('[AdService] Rewarded ad not ready');
+      _loadRewardedAd();
+      return AdResult.failed;
+    }
+
+    final ad = _rewardedAd!;
+    _rewardedAd = null;
+
+    // 결과 추적용
+    var result = AdResult.cancelled;
+
+    ad.fullScreenContentCallback = FullScreenContentCallback(
+      onAdDismissedFullScreenContent: (ad) {
+        debugPrint('[AdService] Rewarded ad dismissed');
+        ad.dispose();
+        _loadRewardedAd(); // 다음 광고 미리 로드
+      },
+      onAdFailedToShowFullScreenContent: (ad, error) {
+        debugPrint('[AdService] Rewarded ad failed to show: ${error.message}');
+        ad.dispose();
+        result = AdResult.failed;
+        _loadRewardedAd();
+      },
+    );
+
+    await ad.show(
+      onUserEarnedReward: (ad, reward) {
+        debugPrint('[AdService] User earned reward: ${reward.amount}');
+        result = AdResult.completed;
+        onRewarded();
+      },
+    );
+
+    return result;
+  }
+
+  // ===========================================================================
+  // 인터스티셜 광고
+  // ===========================================================================
+
+  /// 인터스티셜 광고 로드
+  void _loadInterstitialAd() {
+    if (_isLoadingInterstitialAd || _interstitialAd != null) return;
+    if (!_isInitialized) return;
+
+    _isLoadingInterstitialAd = true;
+    debugPrint('[AdService] Loading interstitial ad...');
+
+    InterstitialAd.load(
+      adUnitId: _interstitialAdUnitId,
+      request: const AdRequest(),
+      adLoadCallback: InterstitialAdLoadCallback(
+        onAdLoaded: (ad) {
+          _interstitialAd = ad;
+          _isLoadingInterstitialAd = false;
+          debugPrint('[AdService] Interstitial ad loaded');
+        },
+        onAdFailedToLoad: (error) {
+          _isLoadingInterstitialAd = false;
+          debugPrint(
+            '[AdService] Interstitial ad failed to load: ${error.message}',
+          );
+        },
+      ),
+    );
+  }
+
+  /// 인터스티셜 광고 준비 여부
+  bool get isInterstitialAdReady => _interstitialAd != null || _shouldSkipAd;
+
+  /// 인터스티셜 광고 표시
+  ///
+  /// [adType] 광고 타입 (로깅용)
+  /// [onComplete] 광고 완료 콜백 (보상 지급)
+  /// Returns: 광고 결과
+  Future<AdResult> showInterstitialAd({
+    required AdType adType,
+    required void Function() onComplete,
+  }) async {
+    // 디버그 모드에서 광고 스킵
+    if (_shouldSkipAd) {
+      debugPrint('[AdService] Debug: Skipping $adType ad');
+      onComplete();
+      return AdResult.debugSkipped;
+    }
+
+    // 광고가 로드되지 않은 경우
+    if (_interstitialAd == null) {
+      debugPrint('[AdService] Interstitial ad not ready');
+      _loadInterstitialAd();
+      return AdResult.failed;
+    }
+
+    final ad = _interstitialAd!;
+    _interstitialAd = null;
+
+    // 결과 추적용
+    var result = AdResult.cancelled;
+
+    ad.fullScreenContentCallback = FullScreenContentCallback(
+      onAdDismissedFullScreenContent: (ad) {
+        debugPrint('[AdService] Interstitial ad dismissed');
+        ad.dispose();
+        result = AdResult.completed;
+        onComplete();
+        _loadInterstitialAd(); // 다음 광고 미리 로드
+      },
+      onAdFailedToShowFullScreenContent: (ad, error) {
+        debugPrint(
+          '[AdService] Interstitial ad failed to show: ${error.message}',
+        );
+        ad.dispose();
+        result = AdResult.failed;
+        _loadInterstitialAd();
+      },
+    );
+
+    await ad.show();
+
+    return result;
+  }
+
+  // ===========================================================================
+  // 정리
+  // ===========================================================================
+
+  /// 리소스 해제
+  void dispose() {
+    _rewardedAd?.dispose();
+    _rewardedAd = null;
+
+    _interstitialAd?.dispose();
+    _interstitialAd = null;
+
+    debugPrint('[AdService] Disposed');
+  }
+}

lib/src/core/engine/character_roll_service.dart

@@ -0,0 +1,282 @@
+import 'package:flutter/foundation.dart';
+import 'package:shared_preferences/shared_preferences.dart';
+
+import 'package:asciineverdie/src/core/engine/ad_service.dart';
+import 'package:asciineverdie/src/core/engine/iap_service.dart';
+import 'package:asciineverdie/src/core/model/game_state.dart';
+
+/// 캐릭터 생성 굴리기/되돌리기 서비스
+///
+/// 굴리기 횟수 제한과 되돌리기 기능을 관리합니다.
+/// - 굴리기: 5회 (0회 시 광고 시청으로 충전)
+/// - 되돌리기: 무료 유저 1회(광고), 유료 유저 3회(무료)
+class CharacterRollService {
+  CharacterRollService._();
+
+  static CharacterRollService? _instance;
+
+  /// 싱글톤 인스턴스
+  static CharacterRollService get instance {
+    _instance ??= CharacterRollService._();
+    return _instance!;
+  }
+
+  // ===========================================================================
+  // 상수
+  // ===========================================================================
+
+  /// 저장 키
+  static const String _rollsRemainingKey = 'char_rolls_remaining';
+
+  /// 최대 굴리기 횟수
+  static const int maxRolls = 5;
+
+  /// 최대 되돌리기 횟수 (무료 유저)
+  static const int maxUndoFreeUser = 1;
+
+  /// 최대 되돌리기 횟수 (유료 유저)
+  static const int maxUndoPaidUser = 3;
+
+  // ===========================================================================
+  // 상태
+  // ===========================================================================
+
+  bool _isInitialized = false;
+
+  /// 남은 굴리기 횟수
+  int _rollsRemaining = maxRolls;
+
+  /// 남은 되돌리기 횟수
+  int _undoRemaining = maxUndoFreeUser;
+
+  /// 되돌리기용 스탯 히스토리
+  final List<RollSnapshot> _rollHistory = [];
+
+  // ===========================================================================
+  // 초기화
+  // ===========================================================================
+
+  /// 서비스 초기화
+  Future<void> initialize() async {
+    if (_isInitialized) return;
+
+    await _loadState();
+    _resetUndoForNewSession();
+
+    _isInitialized = true;
+    debugPrint('[CharacterRollService] Initialized: '
+        'rolls=$_rollsRemaining, undo=$_undoRemaining');
+  }
+
+  /// 저장된 상태 로드
+  Future<void> _loadState() async {
+    final prefs = await SharedPreferences.getInstance();
+    _rollsRemaining = prefs.getInt(_rollsRemainingKey) ?? maxRolls;
+  }
+
+  /// 굴리기 횟수 저장
+  Future<void> _saveRollsRemaining() async {
+    final prefs = await SharedPreferences.getInstance();
+    await prefs.setInt(_rollsRemainingKey, _rollsRemaining);
+    debugPrint('[CharacterRollService] Saved rolls: $_rollsRemaining');
+  }
+
+  /// 새 세션 시작 시 되돌리기 초기화
+  void _resetUndoForNewSession() {
+    _undoRemaining = _isPaidUser ? maxUndoPaidUser : maxUndoFreeUser;
+    _rollHistory.clear();
+  }
+
+  // ===========================================================================
+  // 유료 사용자 확인
+  // ===========================================================================
+
+  /// 유료 사용자 여부
+  bool get _isPaidUser => IAPService.instance.isAdRemovalPurchased;
+
+  // ===========================================================================
+  // 굴리기
+  // ===========================================================================
+
+  /// 남은 굴리기 횟수
+  int get rollsRemaining => _rollsRemaining;
+
+  /// 굴리기 가능 여부
+  bool get canRoll => _rollsRemaining > 0;
+
+  /// 굴리기 실행
+  ///
+  /// [currentStats] 현재 스탯 (되돌리기용 저장)
+  /// [currentRaceIndex] 현재 종족 인덱스
+  /// [currentKlassIndex] 현재 직업 인덱스
+  /// [currentSeed] 현재 RNG 시드
+  /// Returns: 굴리기 성공 여부
+  bool roll({
+    required Stats currentStats,
+    required int currentRaceIndex,
+    required int currentKlassIndex,
+    required int currentSeed,
+  }) {
+    if (!canRoll) {
+      debugPrint('[CharacterRollService] Cannot roll: no rolls remaining');
+      return false;
+    }
+
+    // 현재 상태를 히스토리에 저장
+    _rollHistory.insert(
+      0,
+      RollSnapshot(
+        stats: currentStats,
+        raceIndex: currentRaceIndex,
+        klassIndex: currentKlassIndex,
+        seed: currentSeed,
+      ),
+    );
+
+    // 최대 히스토리 개수 제한 (되돌리기 가능 횟수만큼)
+    final maxHistory = _isPaidUser ? maxUndoPaidUser : maxUndoFreeUser;
+    while (_rollHistory.length > maxHistory) {
+      _rollHistory.removeLast();
+    }
+
+    // 굴리기 횟수 감소
+    _rollsRemaining--;
+    _saveRollsRemaining();
+
+    debugPrint('[CharacterRollService] Rolled: remaining=$_rollsRemaining, '
+        'history=${_rollHistory.length}');
+
+    return true;
+  }
+
+  /// 광고 시청 후 굴리기 충전
+  Future<bool> rechargeRollsWithAd() async {
+    // 유료 사용자는 광고 없이 충전
+    if (_isPaidUser) {
+      _rollsRemaining = maxRolls;
+      await _saveRollsRemaining();
+      debugPrint('[CharacterRollService] Recharged (paid user): $maxRolls');
+      return true;
+    }
+
+    // 인터스티셜 광고 표시
+    final result = await AdService.instance.showInterstitialAd(
+      adType: AdType.interstitialRoll,
+      onComplete: () {
+        _rollsRemaining = maxRolls;
+        _saveRollsRemaining();
+      },
+    );
+
+    if (result == AdResult.completed || result == AdResult.debugSkipped) {
+      debugPrint('[CharacterRollService] Recharged with ad: $maxRolls');
+      return true;
+    }
+
+    debugPrint('[CharacterRollService] Recharge failed: $result');
+    return false;
+  }
+
+  // ===========================================================================
+  // 되돌리기
+  // ===========================================================================
+
+  /// 남은 되돌리기 횟수
+  int get undoRemaining => _undoRemaining;
+
+  /// 되돌리기 히스토리 길이
+  int get historyLength => _rollHistory.length;
+
+  /// 실제 사용 가능한 되돌리기 횟수
+  /// min(undoRemaining, historyLength)
+  int get availableUndos {
+    final available = _undoRemaining < _rollHistory.length
+        ? _undoRemaining
+        : _rollHistory.length;
+    return available;
+  }
+
+  /// 되돌리기 가능 여부
+  bool get canUndo => availableUndos > 0;
+
+  /// 되돌리기 실행 (유료 사용자)
+  ///
+  /// Returns: 복원된 스냅샷 (null이면 실패)
+  RollSnapshot? undoPaidUser() {
+    if (!_isPaidUser) return null;
+    if (!canUndo) return null;
+
+    final snapshot = _rollHistory.removeAt(0);
+    _undoRemaining--;
+
+    debugPrint('[CharacterRollService] Undo (paid): '
+        'remaining=$_undoRemaining, history=${_rollHistory.length}');
+
+    return snapshot;
+  }
+
+  /// 되돌리기 실행 (무료 사용자 - 광고 필요)
+  ///
+  /// [onSuccess] 광고 시청 완료 후 콜백
+  Future<RollSnapshot?> undoFreeUser() async {
+    if (_isPaidUser) return undoPaidUser();
+    if (!canUndo) return null;
+
+    // 리워드 광고 표시
+    RollSnapshot? result;
+
+    final adResult = await AdService.instance.showRewardedAd(
+      adType: AdType.rewardUndo,
+      onRewarded: () {
+        if (_rollHistory.isNotEmpty) {
+          result = _rollHistory.removeAt(0);
+          _undoRemaining--;
+        }
+      },
+    );
+
+    if (adResult == AdResult.completed || adResult == AdResult.debugSkipped) {
+      debugPrint('[CharacterRollService] Undo (free with ad): '
+          'remaining=$_undoRemaining, history=${_rollHistory.length}');
+      return result;
+    }
+
+    debugPrint('[CharacterRollService] Undo failed: $adResult');
+    return null;
+  }
+
+  // ===========================================================================
+  // 캐릭터 생성 완료
+  // ===========================================================================
+
+  /// 캐릭터 생성 완료 시 호출
+  ///
+  /// 되돌리기 상태만 초기화 (굴리기 횟수는 유지)
+  void onCharacterCreated() {
+    _resetUndoForNewSession();
+    debugPrint('[CharacterRollService] Character created, undo reset');
+  }
+
+  /// 굴리기 횟수 완전 초기화 (디버그용)
+  Future<void> resetRolls() async {
+    _rollsRemaining = maxRolls;
+    await _saveRollsRemaining();
+    _resetUndoForNewSession();
+    debugPrint('[CharacterRollService] Reset all');
+  }
+}
+
+/// 굴리기 스냅샷 (되돌리기용)
+class RollSnapshot {
+  const RollSnapshot({
+    required this.stats,
+    required this.raceIndex,
+    required this.klassIndex,
+    required this.seed,
+  });
+
+  final Stats stats;
+  final int raceIndex;
+  final int klassIndex;
+  final int seed;
+}

lib/src/core/engine/debug_settings_service.dart

@@ -0,0 +1,180 @@
+import 'package:flutter/foundation.dart';
+import 'package:shared_preferences/shared_preferences.dart';
+
+import 'package:asciineverdie/src/core/engine/ad_service.dart';
+import 'package:asciineverdie/src/core/engine/iap_service.dart';
+
+/// 디버그 설정 서비스 (Phase 8)
+///
+/// 개발/테스트 중 사용하는 디버그 옵션을 통합 관리합니다.
+/// kDebugMode에서만 활성화됩니다.
+class DebugSettingsService {
+  DebugSettingsService._();
+
+  static DebugSettingsService? _instance;
+
+  /// 싱글톤 인스턴스
+  static DebugSettingsService get instance {
+    _instance ??= DebugSettingsService._();
+    return _instance!;
+  }
+
+  // ===========================================================================
+  // 상수
+  // ===========================================================================
+
+  static const String _keyAdEnabled = 'debug_ad_enabled';
+  static const String _keyIapSimulated = 'debug_iap_simulated';
+  static const String _keyOfflineHours = 'debug_offline_hours';
+
+  /// 오프라인 시간 시뮬레이션 옵션
+  static const List<int> offlineHoursOptions = [0, 1, 5, 10, 24];
+
+  // ===========================================================================
+  // 상태
+  // ===========================================================================
+
+  bool _isInitialized = false;
+
+  /// 광고 활성화 여부 (디버그 모드 전용)
+  bool _adEnabled = true;
+
+  /// IAP 구매 시뮬레이션 여부 (디버그 모드 전용)
+  bool _iapSimulated = false;
+
+  /// 오프라인 시간 시뮬레이션 (시간 단위)
+  int _offlineHours = 0;
+
+  // ===========================================================================
+  // 초기화
+  // ===========================================================================
+
+  /// 서비스 초기화 (저장된 설정 로드)
+  Future<void> initialize() async {
+    if (_isInitialized) return;
+    if (!kDebugMode) {
+      _isInitialized = true;
+      return;
+    }
+
+    final prefs = await SharedPreferences.getInstance();
+    _adEnabled = prefs.getBool(_keyAdEnabled) ?? true;
+    _iapSimulated = prefs.getBool(_keyIapSimulated) ?? false;
+    _offlineHours = prefs.getInt(_keyOfflineHours) ?? 0;
+
+    // 다른 서비스에 설정 동기화
+    _syncToServices();
+
+    _isInitialized = true;
+    debugPrint('[DebugSettings] Initialized: ad=$_adEnabled, '
+        'iap=$_iapSimulated, offline=$_offlineHours');
+  }
+
+  /// 설정을 다른 서비스에 동기화
+  void _syncToServices() {
+    AdService.instance.debugAdEnabled = _adEnabled;
+    IAPService.instance.debugIAPSimulated = _iapSimulated;
+  }
+
+  // ===========================================================================
+  // 디버그 모드 확인
+  // ===========================================================================
+
+  /// 디버그 모드 활성화 여부
+  bool get isDebugMode => kDebugMode;
+
+  // ===========================================================================
+  // 광고 설정
+  // ===========================================================================
+
+  /// 광고 활성화 여부
+  ///
+  /// - true: 실제 광고 표시
+  /// - false: 광고 버튼 클릭 시 바로 보상 지급
+  bool get adEnabled => _adEnabled;
+
+  /// 광고 활성화 토글
+  Future<void> setAdEnabled(bool value) async {
+    if (!kDebugMode) return;
+
+    _adEnabled = value;
+    AdService.instance.debugAdEnabled = value;
+
+    final prefs = await SharedPreferences.getInstance();
+    await prefs.setBool(_keyAdEnabled, value);
+
+    debugPrint('[DebugSettings] Ad enabled: $value');
+  }
+
+  // ===========================================================================
+  // IAP 설정
+  // ===========================================================================
+
+  /// IAP 구매 시뮬레이션 여부
+  ///
+  /// - true: 유료 유저로 동작 (광고 제거됨)
+  /// - false: 무료 유저로 동작
+  bool get iapSimulated => _iapSimulated;
+
+  /// IAP 구매 시뮬레이션 토글
+  Future<void> setIapSimulated(bool value) async {
+    if (!kDebugMode) return;
+
+    _iapSimulated = value;
+    IAPService.instance.debugIAPSimulated = value;
+
+    final prefs = await SharedPreferences.getInstance();
+    await prefs.setBool(_keyIapSimulated, value);
+
+    debugPrint('[DebugSettings] IAP simulated: $value');
+  }
+
+  // ===========================================================================
+  // 오프라인 시간 시뮬레이션
+  // ===========================================================================
+
+  /// 오프라인 시간 시뮬레이션 (시간 단위)
+  ///
+  /// 복귀 보상 테스트용. 0이면 시뮬레이션 비활성화.
+  int get offlineHours => _offlineHours;
+
+  /// 오프라인 시간 시뮬레이션 설정
+  Future<void> setOfflineHours(int hours) async {
+    if (!kDebugMode) return;
+
+    _offlineHours = hours;
+
+    final prefs = await SharedPreferences.getInstance();
+    await prefs.setInt(_keyOfflineHours, hours);
+
+    debugPrint('[DebugSettings] Offline hours: $hours');
+  }
+
+  /// 시뮬레이션된 마지막 플레이 시간 계산
+  ///
+  /// [actualLastPlayTime] 실제 마지막 플레이 시간
+  /// Returns: 시뮬레이션 적용된 마지막 플레이 시간
+  DateTime? getSimulatedLastPlayTime(DateTime? actualLastPlayTime) {
+    if (!kDebugMode || _offlineHours == 0) {
+      return actualLastPlayTime;
+    }
+
+    // 시뮬레이션: 현재 시간에서 offlineHours만큼 뺀 시간을 마지막 플레이 시간으로
+    return DateTime.now().subtract(Duration(hours: _offlineHours));
+  }
+
+  // ===========================================================================
+  // 전체 초기화
+  // ===========================================================================
+
+  /// 모든 디버그 설정 초기화
+  Future<void> resetAll() async {
+    if (!kDebugMode) return;
+
+    await setAdEnabled(true);
+    await setIapSimulated(false);
+    await setOfflineHours(0);
+
+    debugPrint('[DebugSettings] All settings reset');
+  }
+}

lib/src/core/engine/iap_service.dart

@@ -0,0 +1,341 @@
+import 'dart:async';
+import 'dart:io';
+
+import 'package:flutter/foundation.dart';
+import 'package:in_app_purchase/in_app_purchase.dart';
+import 'package:shared_preferences/shared_preferences.dart';
+
+/// IAP 상품 ID
+class IAPProductIds {
+  IAPProductIds._();
+
+  /// 광고 제거 상품 ID (비소모성)
+  /// TODO: Google Play Console / App Store Connect에서 상품 생성 후 ID 교체
+  static const String removeAds = 'remove_ads';
+
+  /// 모든 상품 ID 목록
+  static const Set<String> all = {removeAds};
+}
+
+/// IAP 구매 결과
+enum IAPResult {
+  /// 구매 성공
+  success,
+
+  /// 구매 취소
+  cancelled,
+
+  /// 구매 실패
+  failed,
+
+  /// 이미 구매됨
+  alreadyPurchased,
+
+  /// 상품을 찾을 수 없음
+  productNotFound,
+
+  /// 스토어 사용 불가
+  storeUnavailable,
+
+  /// 디버그 모드에서 시뮬레이션
+  debugSimulated,
+}
+
+/// IAP 서비스
+///
+/// 인앱 구매 (광고 제거) 처리를 담당합니다.
+/// shared_preferences를 사용하여 구매 상태를 영구 저장합니다.
+class IAPService {
+  IAPService._();
+
+  static IAPService? _instance;
+
+  /// 싱글톤 인스턴스
+  static IAPService get instance {
+    _instance ??= IAPService._();
+    return _instance!;
+  }
+
+  // ===========================================================================
+  // 상수
+  // ===========================================================================
+
+  /// 구매 상태 저장 키
+  static const String _purchaseKey = 'iap_remove_ads_purchased';
+
+  // ===========================================================================
+  // 상태
+  // ===========================================================================
+
+  final InAppPurchase _iap = InAppPurchase.instance;
+
+  bool _isInitialized = false;
+  bool _isAvailable = false;
+
+  /// 상품 정보
+  ProductDetails? _removeAdsProduct;
+
+  /// 구매 스트림 구독
+  StreamSubscription<List<PurchaseDetails>>? _subscription;
+
+  /// 광고 제거 구매 여부 (캐시)
+  bool _adRemovalPurchased = false;
+
+  /// 디버그 모드에서 IAP 시뮬레이션 활성화 여부
+  bool _debugIAPSimulated = false;
+
+  // ===========================================================================
+  // 초기화
+  // ===========================================================================
+
+  /// IAP 서비스 초기화
+  Future<void> initialize() async {
+    if (_isInitialized) return;
+
+    // 모바일 플랫폼에서만 초기화
+    if (!Platform.isAndroid && !Platform.isIOS) {
+      debugPrint('[IAPService] Non-mobile platform, skipping initialization');
+      return;
+    }
+
+    // 저장된 구매 상태 로드
+    await _loadPurchaseState();
+
+    // 스토어 가용성 확인
+    _isAvailable = await _iap.isAvailable();
+    if (!_isAvailable) {
+      debugPrint('[IAPService] Store not available');
+      _isInitialized = true;
+      return;
+    }
+
+    // 구매 스트림 구독
+    _subscription = _iap.purchaseStream.listen(
+      _onPurchaseUpdate,
+      onError: (Object error) {
+        debugPrint('[IAPService] Purchase stream error: $error');
+      },
+    );
+
+    // 상품 정보 로드
+    await _loadProducts();
+
+    _isInitialized = true;
+    debugPrint('[IAPService] Initialized');
+  }
+
+  /// 상품 정보 로드
+  Future<void> _loadProducts() async {
+    final response = await _iap.queryProductDetails(IAPProductIds.all);
+
+    if (response.notFoundIDs.isNotEmpty) {
+      debugPrint(
+        '[IAPService] Products not found: ${response.notFoundIDs}',
+      );
+    }
+
+    for (final product in response.productDetails) {
+      if (product.id == IAPProductIds.removeAds) {
+        _removeAdsProduct = product;
+        debugPrint(
+          '[IAPService] Product loaded: ${product.id} - ${product.price}',
+        );
+      }
+    }
+  }
+
+  /// 저장된 구매 상태 로드
+  Future<void> _loadPurchaseState() async {
+    final prefs = await SharedPreferences.getInstance();
+    _adRemovalPurchased = prefs.getBool(_purchaseKey) ?? false;
+    debugPrint('[IAPService] Loaded purchase state: $_adRemovalPurchased');
+  }
+
+  /// 구매 상태 저장
+  Future<void> _savePurchaseState(bool purchased) async {
+    final prefs = await SharedPreferences.getInstance();
+    await prefs.setBool(_purchaseKey, purchased);
+    _adRemovalPurchased = purchased;
+    debugPrint('[IAPService] Saved purchase state: $purchased');
+  }
+
+  // ===========================================================================
+  // 디버그 설정
+  // ===========================================================================
+
+  /// 디버그 모드 IAP 시뮬레이션 활성화 여부
+  bool get debugIAPSimulated => _debugIAPSimulated;
+
+  /// 디버그 모드 IAP 시뮬레이션 토글
+  set debugIAPSimulated(bool value) {
+    _debugIAPSimulated = value;
+    if (kDebugMode) {
+      _adRemovalPurchased = value;
+      debugPrint('[IAPService] Debug IAP simulated: $value');
+    }
+  }
+
+  // ===========================================================================
+  // 구매 상태
+  // ===========================================================================
+
+  /// 광고 제거 구매 여부
+  bool get isAdRemovalPurchased {
+    if (kDebugMode && _debugIAPSimulated) return true;
+    return _adRemovalPurchased;
+  }
+
+  /// 스토어 가용성
+  bool get isStoreAvailable => _isAvailable;
+
+  /// 광고 제거 상품 정보
+  ProductDetails? get removeAdsProduct => _removeAdsProduct;
+
+  /// 광고 제거 상품 가격 문자열
+  String get removeAdsPrice {
+    return _removeAdsProduct?.price ?? '\$9.99';
+  }
+
+  // ===========================================================================
+  // 구매
+  // ===========================================================================
+
+  /// 광고 제거 구매
+  Future<IAPResult> purchaseRemoveAds() async {
+    // 디버그 모드 시뮬레이션
+    if (kDebugMode && _debugIAPSimulated) {
+      debugPrint('[IAPService] Debug: Simulating purchase');
+      await _savePurchaseState(true);
+      return IAPResult.debugSimulated;
+    }
+
+    // 이미 구매됨
+    if (_adRemovalPurchased) {
+      debugPrint('[IAPService] Already purchased');
+      return IAPResult.alreadyPurchased;
+    }
+
+    // 스토어 사용 불가
+    if (!_isAvailable) {
+      debugPrint('[IAPService] Store not available');
+      return IAPResult.storeUnavailable;
+    }
+
+    // 상품을 찾을 수 없음
+    if (_removeAdsProduct == null) {
+      debugPrint('[IAPService] Product not found');
+      return IAPResult.productNotFound;
+    }
+
+    // 구매 요청
+    final purchaseParam = PurchaseParam(
+      productDetails: _removeAdsProduct!,
+    );
+
+    try {
+      final success = await _iap.buyNonConsumable(
+        purchaseParam: purchaseParam,
+      );
+      debugPrint('[IAPService] Purchase initiated: $success');
+      return success ? IAPResult.success : IAPResult.failed;
+    } catch (e) {
+      debugPrint('[IAPService] Purchase error: $e');
+      return IAPResult.failed;
+    }
+  }
+
+  // ===========================================================================
+  // 구매 복원
+  // ===========================================================================
+
+  /// 구매 복원
+  Future<IAPResult> restorePurchases() async {
+    // 디버그 모드 시뮬레이션
+    if (kDebugMode && _debugIAPSimulated) {
+      debugPrint('[IAPService] Debug: Simulating restore');
+      await _savePurchaseState(true);
+      return IAPResult.debugSimulated;
+    }
+
+    // 스토어 사용 불가
+    if (!_isAvailable) {
+      debugPrint('[IAPService] Store not available');
+      return IAPResult.storeUnavailable;
+    }
+
+    try {
+      await _iap.restorePurchases();
+      debugPrint('[IAPService] Restore initiated');
+      return IAPResult.success;
+    } catch (e) {
+      debugPrint('[IAPService] Restore error: $e');
+      return IAPResult.failed;
+    }
+  }
+
+  // ===========================================================================
+  // 구매 처리
+  // ===========================================================================
+
+  /// 구매 업데이트 처리
+  void _onPurchaseUpdate(List<PurchaseDetails> purchases) {
+    for (final purchase in purchases) {
+      debugPrint(
+        '[IAPService] Purchase update: ${purchase.productID} - '
+        '${purchase.status}',
+      );
+
+      switch (purchase.status) {
+        case PurchaseStatus.pending:
+          // 구매 대기 중
+          debugPrint('[IAPService] Purchase pending');
+
+        case PurchaseStatus.purchased:
+        case PurchaseStatus.restored:
+          // 구매 완료 또는 복원
+          _handleSuccessfulPurchase(purchase);
+
+        case PurchaseStatus.error:
+          // 구매 실패
+          debugPrint('[IAPService] Purchase error: ${purchase.error}');
+          _completePurchase(purchase);
+
+        case PurchaseStatus.canceled:
+          // 구매 취소
+          debugPrint('[IAPService] Purchase canceled');
+          _completePurchase(purchase);
+      }
+    }
+  }
+
+  /// 구매 성공 처리
+  Future<void> _handleSuccessfulPurchase(PurchaseDetails purchase) async {
+    if (purchase.productID == IAPProductIds.removeAds) {
+      // 구매 검증 (서버 검증 생략, 로컬 저장)
+      await _savePurchaseState(true);
+      debugPrint('[IAPService] Ad removal purchased successfully');
+    }
+
+    // 구매 완료 처리
+    await _completePurchase(purchase);
+  }
+
+  /// 구매 완료 처리 (필수)
+  Future<void> _completePurchase(PurchaseDetails purchase) async {
+    if (purchase.pendingCompletePurchase) {
+      await _iap.completePurchase(purchase);
+      debugPrint('[IAPService] Purchase completed: ${purchase.productID}');
+    }
+  }
+
+  // ===========================================================================
+  // 정리
+  // ===========================================================================
+
+  /// 리소스 해제
+  void dispose() {
+    _subscription?.cancel();
+    _subscription = null;
+    debugPrint('[IAPService] Disposed');
+  }
+}

lib/src/core/engine/item_service.dart

@@ -60,23 +60,26 @@ class ItemService {
   // 희귀도 결정
   // ============================================================================
 
-  /// 희귀도 결정 (레벨 기반 확률)
+  /// 희귀도 결정 (고정 확률)
   ///
-  /// 레벨이 높을수록 희귀한 아이템 확률 증가
+  /// 확률 분포:
+  /// - Common: 34%
+  /// - Uncommon: 40%
+  /// - Rare: 20%
+  /// - Epic: 5%
+  /// - Legendary: 1%
   ItemRarity determineRarity(int level) {
     final roll = rng.nextInt(100);
-    final legendaryChance = (level * 0.5).clamp(0, 5).toInt(); // 최대 5%
-    final epicChance = (level * 1.0).clamp(0, 10).toInt(); // 최대 10%
-    final rareChance = (level * 2.0).clamp(0, 20).toInt(); // 최대 20%
-    final uncommonChance = (level * 3.0).clamp(0, 30).toInt(); // 최대 30%
 
-    if (roll < legendaryChance) return ItemRarity.legendary;
-    if (roll < legendaryChance + epicChance) return ItemRarity.epic;
-    if (roll < legendaryChance + epicChance + rareChance)
-      return ItemRarity.rare;
-    if (roll < legendaryChance + epicChance + rareChance + uncommonChance) {
-      return ItemRarity.uncommon;
-    }
+    // Legendary: 0-0 (1%)
+    if (roll < 1) return ItemRarity.legendary;
+    // Epic: 1-5 (5%)
+    if (roll < 6) return ItemRarity.epic;
+    // Rare: 6-25 (20%)
+    if (roll < 26) return ItemRarity.rare;
+    // Uncommon: 26-65 (40%)
+    if (roll < 66) return ItemRarity.uncommon;
+    // Common: 66-99 (34%)
     return ItemRarity.common;
   }
 

lib/src/core/engine/progress_service.dart

@@ -972,12 +972,16 @@ class ProgressService {
     String? lostItemName;
     EquipmentSlot? lostItemSlot;
     ItemRarity? lostItemRarity;
+    EquipmentItem? lostEquipmentItem; // 광고 부활 시 복구용
 
     if (!isBossDeath) {
       // 레벨 기반 장비 손실 확률 계산
-      // Lv 1~5: 0%, Lv 6: 10%, Lv 10: 50%, Lv 15+: 100%
+      // Lv 1: 20%, Lv 5: ~56%, Lv 10+: 100%
+      // 공식: 20 + (level - 1) * 80 / 9
       final level = state.traits.level;
-      final lossChancePercent = ((level - 5) * 10).clamp(0, 100);
+      final lossChancePercent = level >= 10
+          ? 100
+          : (20 + ((level - 1) * 80 ~/ 9)).clamp(0, 100);
       final roll = state.rng.nextInt(100); // 0~99
       final shouldLoseEquipment = roll < lossChancePercent;
 
@@ -1004,10 +1008,10 @@ class ProgressService {
               )];
 
           // 제물로 바칠 아이템 정보 저장
-          final lostItem = state.equipment.getItemByIndex(sacrificeIndex);
-          lostItemName = lostItem.name;
+          lostEquipmentItem = state.equipment.getItemByIndex(sacrificeIndex);
+          lostItemName = lostEquipmentItem.name;
           lostItemSlot = EquipmentSlot.values[sacrificeIndex];
-          lostItemRarity = lostItem.rarity;
+          lostItemRarity = lostEquipmentItem.rarity;
 
           // 해당 슬롯을 빈 장비로 교체
           newEquipment = newEquipment.setItemByIndex(
@@ -1029,6 +1033,7 @@ class ProgressService {
       lostItemName: lostItemName,
       lostItemSlot: lostItemSlot,
       lostItemRarity: lostItemRarity,
+      lostItem: lostEquipmentItem, // 광고 부활 시 복구용
       goldAtDeath: state.inventory.gold,
       levelAtDeath: state.traits.level,
       timestamp: state.skillSystem.elapsedMs,

lib/src/core/engine/resurrection_service.dart

@@ -240,6 +240,129 @@ class ResurrectionService {
     return state.inventory.gold >= cost;
   }
 
+  // ============================================================================
+  // 광고 부활 (HP 100% + 아이템 복구)
+  // ============================================================================
+
+  /// 광고 부활 처리
+  ///
+  /// 1. 상실한 아이템 복구 (있는 경우)
+  /// 2. HP/MP 100% 회복
+  /// 3. 사망 상태 해제
+  /// 4. 안전 지역으로 이동 태스크 설정
+  ///
+  /// Note: 10분 자동부활 버프는 GameSessionController에서 처리
+  GameState processAdRevive(GameState state) {
+    if (!state.isDead) return state;
+
+    var nextState = state;
+
+    // 1. 상실한 아이템 복구 (있는 경우)
+    if (canRecoverLostItem(state)) {
+      nextState = processItemRecovery(nextState);
+    }
+
+    // 2. 전체 HP/MP 계산 (장비 + 종족 + 클래스 보너스 포함)
+    final totalHpMax = _calculateTotalHpMax(nextState);
+    final totalMpMax = _calculateTotalMpMax(nextState);
+
+    // HP/MP 100% 회복 (장비 구매 없이)
+    nextState = nextState.copyWith(
+      stats: nextState.stats.copyWith(
+        hpCurrent: totalHpMax,
+        mpCurrent: totalMpMax,
+      ),
+      clearDeathInfo: true, // 사망 상태 해제
+    );
+
+    // 스킬 쿨타임 초기화
+    nextState = nextState.copyWith(
+      skillSystem: SkillSystemState.empty().copyWith(
+        elapsedMs: nextState.skillSystem.elapsedMs,
+      ),
+    );
+
+    // 4. 부활 후 태스크 시퀀스 설정
+    final resurrectionQueue = <QueueEntry>[
+      QueueEntry(
+        kind: QueueKind.task,
+        durationMillis: 3000,
+        caption: l10n.taskReturningToTown,
+        taskType: TaskType.neutral,
+      ),
+      QueueEntry(
+        kind: QueueKind.task,
+        durationMillis: 3000,
+        caption: l10n.taskRestockingAtShop,
+        taskType: TaskType.market,
+      ),
+      QueueEntry(
+        kind: QueueKind.task,
+        durationMillis: 2000,
+        caption: l10n.taskHeadingToHuntingGrounds,
+        taskType: TaskType.neutral,
+      ),
+    ];
+
+    final firstTask = resurrectionQueue.removeAt(0);
+    nextState = nextState.copyWith(
+      queue: QueueState(entries: resurrectionQueue),
+      progress: nextState.progress.copyWith(
+        currentTask: TaskInfo(
+          caption: firstTask.caption,
+          type: firstTask.taskType,
+        ),
+        task: ProgressBarState(position: 0, max: firstTask.durationMillis),
+        currentCombat: null,
+      ),
+    );
+
+    return nextState;
+  }
+
+  // ============================================================================
+  // 아이템 복구 (Phase 5)
+  // ============================================================================
+
+  /// 상실한 아이템 복구 가능 여부 확인
+  ///
+  /// 사망 상태이고 상실한 아이템이 있을 때만 true
+  bool canRecoverLostItem(GameState state) {
+    if (!state.isDead) return false;
+    if (state.deathInfo == null) return false;
+    return state.deathInfo!.lostItem != null;
+  }
+
+  /// 상실한 아이템 복구 처리
+  ///
+  /// 광고 시청 후 호출되며 상실한 아이템을 장비에 복원합니다.
+  /// Returns: 복구된 상태 (복구 불가 시 원본 상태 반환)
+  GameState processItemRecovery(GameState state) {
+    if (!canRecoverLostItem(state)) return state;
+
+    final deathInfo = state.deathInfo!;
+    final lostItem = deathInfo.lostItem!;
+    final lostSlot = deathInfo.lostItemSlot!;
+
+    // 해당 슬롯에 아이템 복원
+    final slotIndex = lostSlot.index;
+    final updatedEquipment = state.equipment.setItemByIndex(slotIndex, lostItem);
+
+    // DeathInfo에서 상실 아이템 정보 제거 (복구 완료)
+    final updatedDeathInfo = deathInfo.copyWith(
+      lostEquipmentCount: 0,
+      lostItemName: null,
+      lostItemSlot: null,
+      lostItemRarity: null,
+      lostItem: null,
+    );
+
+    return state.copyWith(
+      equipment: updatedEquipment,
+      deathInfo: updatedDeathInfo,
+    );
+  }
+
   /// 장비 보존 아이템 적용 (향후 확장용)
   ///
   /// [protectedSlots] 보존할 슬롯 인덱스 목록

lib/src/core/engine/return_rewards_service.dart

@@ -0,0 +1,178 @@
+import 'package:flutter/foundation.dart';
+
+import 'package:asciineverdie/src/core/engine/ad_service.dart';
+import 'package:asciineverdie/src/core/engine/iap_service.dart';
+
+/// 복귀 보상 데이터 (Phase 7)
+class ReturnReward {
+  const ReturnReward({
+    required this.hoursAway,
+    required this.goldReward,
+    required this.bonusGold,
+  });
+
+  /// 떠나있던 시간 (시간 단위)
+  final int hoursAway;
+
+  /// 기본 골드 보상
+  final int goldReward;
+
+  /// 보너스 골드 (광고 시청 시 추가)
+  final int bonusGold;
+
+  /// 총 보상 (광고 포함)
+  int get totalGold => goldReward + bonusGold;
+
+  /// 보상이 있는지 여부
+  bool get hasReward => goldReward > 0;
+}
+
+/// 복귀 보상 서비스 (Phase 7)
+///
+/// 플레이어가 게임에 복귀했을 때 떠나있던 시간에 따라 보상을 제공합니다.
+/// - 최소 복귀 시간: 1시간
+/// - 최대 복귀 시간: 24시간 (그 이상은 24시간으로 계산)
+/// - 기본 보상: 시간당 100골드
+/// - 보너스 보상: 광고 시청 시 2배
+class ReturnRewardsService {
+  ReturnRewardsService._();
+
+  static ReturnRewardsService? _instance;
+
+  /// 싱글톤 인스턴스
+  static ReturnRewardsService get instance {
+    _instance ??= ReturnRewardsService._();
+    return _instance!;
+  }
+
+  // ===========================================================================
+  // 상수
+  // ===========================================================================
+
+  /// 최소 복귀 시간 (시간)
+  static const int minHoursAway = 1;
+
+  /// 최대 복귀 시간 (시간) - 이 이상은 동일 보상
+  static const int maxHoursAway = 24;
+
+  /// 시간당 골드 보상
+  static const int goldPerHour = 100;
+
+  /// 레벨당 골드 보상 배수
+  static const double goldPerLevelMultiplier = 0.1;
+
+  // ===========================================================================
+  // 보상 계산
+  // ===========================================================================
+
+  /// 복귀 보상 계산
+  ///
+  /// [lastPlayTime] 마지막 플레이 시각 (null이면 보상 없음)
+  /// [currentTime] 현재 시각
+  /// [playerLevel] 플레이어 레벨 (레벨 보너스 계산용)
+  /// Returns: 복귀 보상 데이터 (시간이 부족하면 hasReward = false)
+  ReturnReward calculateReward({
+    required DateTime? lastPlayTime,
+    required DateTime currentTime,
+    required int playerLevel,
+  }) {
+    // 마지막 플레이 시간이 없으면 보상 없음
+    if (lastPlayTime == null) {
+      debugPrint('[ReturnRewards] No lastPlayTime, no reward');
+      return const ReturnReward(hoursAway: 0, goldReward: 0, bonusGold: 0);
+    }
+
+    // 경과 시간 계산
+    final difference = currentTime.difference(lastPlayTime);
+    final hoursAway = difference.inHours;
+
+    // 최소 시간 미만이면 보상 없음
+    if (hoursAway < minHoursAway) {
+      debugPrint('[ReturnRewards] Only $hoursAway hours, need $minHoursAway');
+      return ReturnReward(hoursAway: hoursAway, goldReward: 0, bonusGold: 0);
+    }
+
+    // 최대 시간 초과 시 최대로 제한
+    final effectiveHours = hoursAway > maxHoursAway ? maxHoursAway : hoursAway;
+
+    // 골드 보상 계산 (레벨 보너스 포함)
+    final levelMultiplier = 1.0 + (playerLevel * goldPerLevelMultiplier);
+    final baseGold = (effectiveHours * goldPerHour * levelMultiplier).round();
+
+    // 보너스 골드 (광고 시청 시 100% 추가)
+    final bonusGold = baseGold;
+
+    debugPrint('[ReturnRewards] $hoursAway hours away, '
+        'base=$baseGold, bonus=$bonusGold, level=$playerLevel');
+
+    return ReturnReward(
+      hoursAway: hoursAway,
+      goldReward: baseGold,
+      bonusGold: bonusGold,
+    );
+  }
+
+  // ===========================================================================
+  // 보상 수령
+  // ===========================================================================
+
+  /// 기본 보상 수령 (광고 없이)
+  ///
+  /// [reward] 복귀 보상 데이터
+  /// Returns: 수령한 골드 양
+  int claimBasicReward(ReturnReward reward) {
+    if (!reward.hasReward) return 0;
+    debugPrint('[ReturnRewards] Basic reward claimed: ${reward.goldReward}');
+    return reward.goldReward;
+  }
+
+  /// 보너스 보상 수령 (광고 시청 후)
+  ///
+  /// 유료 유저: 무료 보너스
+  /// 무료 유저: 리워드 광고 시청 후 보너스
+  /// [reward] 복귀 보상 데이터
+  /// Returns: 수령한 보너스 골드 양 (광고 실패 시 0)
+  Future<int> claimBonusReward(ReturnReward reward) async {
+    if (!reward.hasReward || reward.bonusGold <= 0) return 0;
+
+    // 유료 유저는 무료 보너스
+    if (IAPService.instance.isAdRemovalPurchased) {
+      debugPrint('[ReturnRewards] Bonus claimed (paid user): ${reward.bonusGold}');
+      return reward.bonusGold;
+    }
+
+    // 무료 유저는 리워드 광고 필요
+    int bonus = 0;
+    final adResult = await AdService.instance.showRewardedAd(
+      adType: AdType.rewardRevive, // 복귀 보상용 리워드 광고
+      onRewarded: () {
+        bonus = reward.bonusGold;
+      },
+    );
+
+    if (adResult == AdResult.completed || adResult == AdResult.debugSkipped) {
+      debugPrint('[ReturnRewards] Bonus claimed (free user with ad): $bonus');
+      return bonus;
+    }
+
+    debugPrint('[ReturnRewards] Bonus claim failed: $adResult');
+    return 0;
+  }
+
+  // ===========================================================================
+  // 시간 포맷팅
+  // ===========================================================================
+
+  /// 복귀 시간을 표시용 문자열로 변환
+  String formatHoursAway(int hours) {
+    if (hours < 24) {
+      return '${hours}h';
+    }
+    final days = hours ~/ 24;
+    final remainingHours = hours % 24;
+    if (remainingHours == 0) {
+      return '${days}d';
+    }
+    return '${days}d ${remainingHours}h';
+  }
+}

lib/src/core/model/game_state.dart

@@ -133,6 +133,7 @@ class DeathInfo {
     this.lostItemName,
     this.lostItemSlot,
     this.lostItemRarity,
+    this.lostItem,
     this.lastCombatEvents = const [],
   });
 
@@ -154,6 +155,9 @@ class DeathInfo {
   /// 제물로 바친 아이템 희귀도 (null이면 없음)
   final ItemRarity? lostItemRarity;
 
+  /// 상실한 장비 전체 정보 (광고 부활 시 복구용)
+  final EquipmentItem? lostItem;
+
   /// 사망 시점 골드
   final int goldAtDeath;
 
@@ -173,6 +177,7 @@ class DeathInfo {
     String? lostItemName,
     EquipmentSlot? lostItemSlot,
     ItemRarity? lostItemRarity,
+    EquipmentItem? lostItem,
     int? goldAtDeath,
     int? levelAtDeath,
     int? timestamp,
@@ -185,6 +190,7 @@ class DeathInfo {
       lostItemName: lostItemName ?? this.lostItemName,
       lostItemSlot: lostItemSlot ?? this.lostItemSlot,
       lostItemRarity: lostItemRarity ?? this.lostItemRarity,
+      lostItem: lostItem ?? this.lostItem,
       goldAtDeath: goldAtDeath ?? this.goldAtDeath,
       levelAtDeath: levelAtDeath ?? this.levelAtDeath,
       timestamp: timestamp ?? this.timestamp,

lib/src/core/model/monetization_state.dart

@@ -0,0 +1,162 @@
+import 'package:freezed_annotation/freezed_annotation.dart';
+
+import 'package:asciineverdie/src/core/model/game_state.dart';
+
+part 'monetization_state.freezed.dart';
+part 'monetization_state.g.dart';
+
+/// 수익화 시스템 상태
+///
+/// IAP 구매 여부, 광고 관련 버프, 복귀 보상 등을 관리
+@freezed
+class MonetizationState with _$MonetizationState {
+  const MonetizationState._();
+
+  const factory MonetizationState({
+    /// IAP 광고 제거 구매 여부
+    @Default(false) bool adRemovalPurchased,
+
+    /// 캐릭터 생성 굴리기 남은 횟수 (0-5)
+    @Default(5) int rollsRemaining,
+
+    /// 되돌리기 남은 횟수
+    @Default(1) int undoRemaining,
+
+    /// 되돌리기용 스탯 히스토리 (JSON 변환 커스텀)
+    @JsonKey(fromJson: _statsListFromJson, toJson: _statsListToJson)
+    List<Stats>? rollHistory,
+
+    /// 자동부활 버프 종료 시점 (elapsedMs 기준)
+    int? autoReviveEndMs,
+
+    /// 5배속 버프 종료 시점 (elapsedMs 기준)
+    int? speedBoostEndMs,
+
+    /// 마지막 플레이 시각 (복귀 보상 계산용)
+    @JsonKey(fromJson: _dateTimeFromJson, toJson: _dateTimeToJson)
+    DateTime? lastPlayTime,
+
+    /// 미개봉 보물 상자 개수
+    @Default(0) int pendingChests,
+
+    /// 행운의 부적 버프 종료 시점 (elapsedMs 기준)
+    int? luckyCharmEndMs,
+  }) = _MonetizationState;
+
+  factory MonetizationState.fromJson(Map<String, dynamic> json) =>
+      _$MonetizationStateFromJson(json);
+
+  /// 기본 상태 생성 (신규 게임)
+  factory MonetizationState.initial({bool isPaidUser = false}) {
+    return MonetizationState(
+      adRemovalPurchased: isPaidUser,
+      rollsRemaining: 5,
+      undoRemaining: isPaidUser ? 3 : 1,
+      rollHistory: null,
+      pendingChests: 0,
+    );
+  }
+
+  // ===========================================================================
+  // 유틸리티 메서드
+  // ===========================================================================
+
+  /// 유료 사용자 여부
+  bool get isPaidUser => adRemovalPurchased;
+
+  /// 무료 사용자 여부
+  bool get isFreeUser => !adRemovalPurchased;
+
+  /// 자동부활 버프 활성 여부 (elapsedMs 기준)
+  bool isAutoReviveActive(int elapsedMs) {
+    if (autoReviveEndMs == null) return false;
+    return elapsedMs < autoReviveEndMs!;
+  }
+
+  /// 5배속 버프 활성 여부 (elapsedMs 기준)
+  /// 유료 사용자는 항상 활성
+  bool isSpeedBoostActive(int elapsedMs) {
+    if (isPaidUser) return true;
+    if (speedBoostEndMs == null) return false;
+    return elapsedMs < speedBoostEndMs!;
+  }
+
+  /// 행운의 부적 버프 활성 여부 (elapsedMs 기준)
+  bool isLuckyCharmActive(int elapsedMs) {
+    if (luckyCharmEndMs == null) return false;
+    return elapsedMs < luckyCharmEndMs!;
+  }
+
+  /// 굴리기 가능 여부
+  bool get canRoll => rollsRemaining > 0;
+
+  /// 되돌리기 가능 여부
+  bool canUndo(int historyLength) {
+    if (undoRemaining <= 0) return false;
+    if (rollHistory == null || rollHistory!.isEmpty) return false;
+    return historyLength > 0;
+  }
+
+  /// 실제 사용 가능한 되돌리기 횟수
+  int availableUndos(int historyLength) {
+    if (rollHistory == null) return 0;
+    final historyAvailable = rollHistory!.length;
+    return undoRemaining < historyAvailable ? undoRemaining : historyAvailable;
+  }
+
+  /// 최대 보물 상자 개수
+  int get maxChests => isPaidUser ? 10 : 5;
+
+  /// 보물 상자가 가득 찼는지 여부
+  bool get isChestsFull => pendingChests >= maxChests;
+}
+
+// =============================================================================
+// JSON 변환 헬퍼
+// =============================================================================
+
+/// Stats 리스트 → JSON
+List<Map<String, dynamic>>? _statsListToJson(List<Stats>? stats) {
+  if (stats == null) return null;
+  return stats
+      .map((s) => {
+            'str': s.str,
+            'con': s.con,
+            'dex': s.dex,
+            'int': s.intelligence,
+            'wis': s.wis,
+            'cha': s.cha,
+            'hpMax': s.hpMax,
+            'mpMax': s.mpMax,
+          })
+      .toList();
+}
+
+/// JSON → Stats 리스트
+List<Stats>? _statsListFromJson(List<dynamic>? json) {
+  if (json == null) return null;
+  return json.map((e) {
+    final m = e as Map<String, dynamic>;
+    return Stats(
+      str: m['str'] as int? ?? 0,
+      con: m['con'] as int? ?? 0,
+      dex: m['dex'] as int? ?? 0,
+      intelligence: m['int'] as int? ?? 0,
+      wis: m['wis'] as int? ?? 0,
+      cha: m['cha'] as int? ?? 0,
+      hpMax: m['hpMax'] as int? ?? 0,
+      mpMax: m['mpMax'] as int? ?? 0,
+    );
+  }).toList();
+}
+
+/// DateTime → JSON (밀리초 타임스탬프)
+int? _dateTimeToJson(DateTime? dateTime) {
+  return dateTime?.millisecondsSinceEpoch;
+}
+
+/// JSON → DateTime
+DateTime? _dateTimeFromJson(int? timestamp) {
+  if (timestamp == null) return null;
+  return DateTime.fromMillisecondsSinceEpoch(timestamp);
+}

lib/src/core/model/monetization_state.freezed.dart

@@ -0,0 +1,444 @@
+// coverage:ignore-file
+// GENERATED CODE - DO NOT MODIFY BY HAND
+// ignore_for_file: type=lint
+// ignore_for_file: unused_element, deprecated_member_use, deprecated_member_use_from_same_package, use_function_type_syntax_for_parameters, unnecessary_const, avoid_init_to_null, invalid_override_different_default_values_named, prefer_expression_function_bodies, annotate_overrides, invalid_annotation_target, unnecessary_question_mark
+
+part of 'monetization_state.dart';
+
+// **************************************************************************
+// FreezedGenerator
+// **************************************************************************
+
+T _$identity<T>(T value) => value;
+
+final _privateConstructorUsedError = UnsupportedError(
+  'It seems like you constructed your class using `MyClass._()`. This constructor is only meant to be used by freezed and you are not supposed to need it nor use it.\nPlease check the documentation here for more information: https://github.com/rrousselGit/freezed#adding-getters-and-methods-to-our-models',
+);
+
+MonetizationState _$MonetizationStateFromJson(Map<String, dynamic> json) {
+  return _MonetizationState.fromJson(json);
+}
+
+/// @nodoc
+mixin _$MonetizationState {
+  /// IAP 광고 제거 구매 여부
+  bool get adRemovalPurchased => throw _privateConstructorUsedError;
+
+  /// 캐릭터 생성 굴리기 남은 횟수 (0-5)
+  int get rollsRemaining => throw _privateConstructorUsedError;
+
+  /// 되돌리기 남은 횟수
+  int get undoRemaining => throw _privateConstructorUsedError;
+
+  /// 되돌리기용 스탯 히스토리 (JSON 변환 커스텀)
+  @JsonKey(fromJson: _statsListFromJson, toJson: _statsListToJson)
+  List<Stats>? get rollHistory => throw _privateConstructorUsedError;
+
+  /// 자동부활 버프 종료 시점 (elapsedMs 기준)
+  int? get autoReviveEndMs => throw _privateConstructorUsedError;
+
+  /// 5배속 버프 종료 시점 (elapsedMs 기준)
+  int? get speedBoostEndMs => throw _privateConstructorUsedError;
+
+  /// 마지막 플레이 시각 (복귀 보상 계산용)
+  @JsonKey(fromJson: _dateTimeFromJson, toJson: _dateTimeToJson)
+  DateTime? get lastPlayTime => throw _privateConstructorUsedError;
+
+  /// 미개봉 보물 상자 개수
+  int get pendingChests => throw _privateConstructorUsedError;
+
+  /// 행운의 부적 버프 종료 시점 (elapsedMs 기준)
+  int? get luckyCharmEndMs => throw _privateConstructorUsedError;
+
+  /// Serializes this MonetizationState to a JSON map.
+  Map<String, dynamic> toJson() => throw _privateConstructorUsedError;
+
+  /// Create a copy of MonetizationState
+  /// with the given fields replaced by the non-null parameter values.
+  @JsonKey(includeFromJson: false, includeToJson: false)
+  $MonetizationStateCopyWith<MonetizationState> get copyWith =>
+      throw _privateConstructorUsedError;
+}
+
+/// @nodoc
+abstract class $MonetizationStateCopyWith<$Res> {
+  factory $MonetizationStateCopyWith(
+    MonetizationState value,
+    $Res Function(MonetizationState) then,
+  ) = _$MonetizationStateCopyWithImpl<$Res, MonetizationState>;
+  @useResult
+  $Res call({
+    bool adRemovalPurchased,
+    int rollsRemaining,
+    int undoRemaining,
+    @JsonKey(fromJson: _statsListFromJson, toJson: _statsListToJson)
+    List<Stats>? rollHistory,
+    int? autoReviveEndMs,
+    int? speedBoostEndMs,
+    @JsonKey(fromJson: _dateTimeFromJson, toJson: _dateTimeToJson)
+    DateTime? lastPlayTime,
+    int pendingChests,
+    int? luckyCharmEndMs,
+  });
+}
+
+/// @nodoc
+class _$MonetizationStateCopyWithImpl<$Res, $Val extends MonetizationState>
+    implements $MonetizationStateCopyWith<$Res> {
+  _$MonetizationStateCopyWithImpl(this._value, this._then);
+
+  // ignore: unused_field
+  final $Val _value;
+  // ignore: unused_field
+  final $Res Function($Val) _then;
+
+  /// Create a copy of MonetizationState
+  /// with the given fields replaced by the non-null parameter values.
+  @pragma('vm:prefer-inline')
+  @override
+  $Res call({
+    Object? adRemovalPurchased = null,
+    Object? rollsRemaining = null,
+    Object? undoRemaining = null,
+    Object? rollHistory = freezed,
+    Object? autoReviveEndMs = freezed,
+    Object? speedBoostEndMs = freezed,
+    Object? lastPlayTime = freezed,
+    Object? pendingChests = null,
+    Object? luckyCharmEndMs = freezed,
+  }) {
+    return _then(
+      _value.copyWith(
+            adRemovalPurchased: null == adRemovalPurchased
+                ? _value.adRemovalPurchased
+                : adRemovalPurchased // ignore: cast_nullable_to_non_nullable
+                      as bool,
+            rollsRemaining: null == rollsRemaining
+                ? _value.rollsRemaining
+                : rollsRemaining // ignore: cast_nullable_to_non_nullable
+                      as int,
+            undoRemaining: null == undoRemaining
+                ? _value.undoRemaining
+                : undoRemaining // ignore: cast_nullable_to_non_nullable
+                      as int,
+            rollHistory: freezed == rollHistory
+                ? _value.rollHistory
+                : rollHistory // ignore: cast_nullable_to_non_nullable
+                      as List<Stats>?,
+            autoReviveEndMs: freezed == autoReviveEndMs
+                ? _value.autoReviveEndMs
+                : autoReviveEndMs // ignore: cast_nullable_to_non_nullable
+                      as int?,
+            speedBoostEndMs: freezed == speedBoostEndMs
+                ? _value.speedBoostEndMs
+                : speedBoostEndMs // ignore: cast_nullable_to_non_nullable
+                      as int?,
+            lastPlayTime: freezed == lastPlayTime
+                ? _value.lastPlayTime
+                : lastPlayTime // ignore: cast_nullable_to_non_nullable
+                      as DateTime?,
+            pendingChests: null == pendingChests
+                ? _value.pendingChests
+                : pendingChests // ignore: cast_nullable_to_non_nullable
+                      as int,
+            luckyCharmEndMs: freezed == luckyCharmEndMs
+                ? _value.luckyCharmEndMs
+                : luckyCharmEndMs // ignore: cast_nullable_to_non_nullable
+                      as int?,
+          )
+          as $Val,
+    );
+  }
+}
+
+/// @nodoc
+abstract class _$$MonetizationStateImplCopyWith<$Res>
+    implements $MonetizationStateCopyWith<$Res> {
+  factory _$$MonetizationStateImplCopyWith(
+    _$MonetizationStateImpl value,
+    $Res Function(_$MonetizationStateImpl) then,
+  ) = __$$MonetizationStateImplCopyWithImpl<$Res>;
+  @override
+  @useResult
+  $Res call({
+    bool adRemovalPurchased,
+    int rollsRemaining,
+    int undoRemaining,
+    @JsonKey(fromJson: _statsListFromJson, toJson: _statsListToJson)
+    List<Stats>? rollHistory,
+    int? autoReviveEndMs,
+    int? speedBoostEndMs,
+    @JsonKey(fromJson: _dateTimeFromJson, toJson: _dateTimeToJson)
+    DateTime? lastPlayTime,
+    int pendingChests,
+    int? luckyCharmEndMs,
+  });
+}
+
+/// @nodoc
+class __$$MonetizationStateImplCopyWithImpl<$Res>
+    extends _$MonetizationStateCopyWithImpl<$Res, _$MonetizationStateImpl>
+    implements _$$MonetizationStateImplCopyWith<$Res> {
+  __$$MonetizationStateImplCopyWithImpl(
+    _$MonetizationStateImpl _value,
+    $Res Function(_$MonetizationStateImpl) _then,
+  ) : super(_value, _then);
+
+  /// Create a copy of MonetizationState
+  /// with the given fields replaced by the non-null parameter values.
+  @pragma('vm:prefer-inline')
+  @override
+  $Res call({
+    Object? adRemovalPurchased = null,
+    Object? rollsRemaining = null,
+    Object? undoRemaining = null,
+    Object? rollHistory = freezed,
+    Object? autoReviveEndMs = freezed,
+    Object? speedBoostEndMs = freezed,
+    Object? lastPlayTime = freezed,
+    Object? pendingChests = null,
+    Object? luckyCharmEndMs = freezed,
+  }) {
+    return _then(
+      _$MonetizationStateImpl(
+        adRemovalPurchased: null == adRemovalPurchased
+            ? _value.adRemovalPurchased
+            : adRemovalPurchased // ignore: cast_nullable_to_non_nullable
+                  as bool,
+        rollsRemaining: null == rollsRemaining
+            ? _value.rollsRemaining
+            : rollsRemaining // ignore: cast_nullable_to_non_nullable
+                  as int,
+        undoRemaining: null == undoRemaining
+            ? _value.undoRemaining
+            : undoRemaining // ignore: cast_nullable_to_non_nullable
+                  as int,
+        rollHistory: freezed == rollHistory
+            ? _value._rollHistory
+            : rollHistory // ignore: cast_nullable_to_non_nullable
+                  as List<Stats>?,
+        autoReviveEndMs: freezed == autoReviveEndMs
+            ? _value.autoReviveEndMs
+            : autoReviveEndMs // ignore: cast_nullable_to_non_nullable
+                  as int?,
+        speedBoostEndMs: freezed == speedBoostEndMs
+            ? _value.speedBoostEndMs
+            : speedBoostEndMs // ignore: cast_nullable_to_non_nullable
+                  as int?,
+        lastPlayTime: freezed == lastPlayTime
+            ? _value.lastPlayTime
+            : lastPlayTime // ignore: cast_nullable_to_non_nullable
+                  as DateTime?,
+        pendingChests: null == pendingChests
+            ? _value.pendingChests
+            : pendingChests // ignore: cast_nullable_to_non_nullable
+                  as int,
+        luckyCharmEndMs: freezed == luckyCharmEndMs
+            ? _value.luckyCharmEndMs
+            : luckyCharmEndMs // ignore: cast_nullable_to_non_nullable
+                  as int?,
+      ),
+    );
+  }
+}
+
+/// @nodoc
+@JsonSerializable()
+class _$MonetizationStateImpl extends _MonetizationState {
+  const _$MonetizationStateImpl({
+    this.adRemovalPurchased = false,
+    this.rollsRemaining = 5,
+    this.undoRemaining = 1,
+    @JsonKey(fromJson: _statsListFromJson, toJson: _statsListToJson)
+    final List<Stats>? rollHistory,
+    this.autoReviveEndMs,
+    this.speedBoostEndMs,
+    @JsonKey(fromJson: _dateTimeFromJson, toJson: _dateTimeToJson)
+    this.lastPlayTime,
+    this.pendingChests = 0,
+    this.luckyCharmEndMs,
+  }) : _rollHistory = rollHistory,
+       super._();
+
+  factory _$MonetizationStateImpl.fromJson(Map<String, dynamic> json) =>
+      _$$MonetizationStateImplFromJson(json);
+
+  /// IAP 광고 제거 구매 여부
+  @override
+  @JsonKey()
+  final bool adRemovalPurchased;
+
+  /// 캐릭터 생성 굴리기 남은 횟수 (0-5)
+  @override
+  @JsonKey()
+  final int rollsRemaining;
+
+  /// 되돌리기 남은 횟수
+  @override
+  @JsonKey()
+  final int undoRemaining;
+
+  /// 되돌리기용 스탯 히스토리 (JSON 변환 커스텀)
+  final List<Stats>? _rollHistory;
+
+  /// 되돌리기용 스탯 히스토리 (JSON 변환 커스텀)
+  @override
+  @JsonKey(fromJson: _statsListFromJson, toJson: _statsListToJson)
+  List<Stats>? get rollHistory {
+    final value = _rollHistory;
+    if (value == null) return null;
+    if (_rollHistory is EqualUnmodifiableListView) return _rollHistory;
+    // ignore: implicit_dynamic_type
+    return EqualUnmodifiableListView(value);
+  }
+
+  /// 자동부활 버프 종료 시점 (elapsedMs 기준)
+  @override
+  final int? autoReviveEndMs;
+
+  /// 5배속 버프 종료 시점 (elapsedMs 기준)
+  @override
+  final int? speedBoostEndMs;
+
+  /// 마지막 플레이 시각 (복귀 보상 계산용)
+  @override
+  @JsonKey(fromJson: _dateTimeFromJson, toJson: _dateTimeToJson)
+  final DateTime? lastPlayTime;
+
+  /// 미개봉 보물 상자 개수
+  @override
+  @JsonKey()
+  final int pendingChests;
+
+  /// 행운의 부적 버프 종료 시점 (elapsedMs 기준)
+  @override
+  final int? luckyCharmEndMs;
+
+  @override
+  String toString() {
+    return 'MonetizationState(adRemovalPurchased: $adRemovalPurchased, rollsRemaining: $rollsRemaining, undoRemaining: $undoRemaining, rollHistory: $rollHistory, autoReviveEndMs: $autoReviveEndMs, speedBoostEndMs: $speedBoostEndMs, lastPlayTime: $lastPlayTime, pendingChests: $pendingChests, luckyCharmEndMs: $luckyCharmEndMs)';
+  }
+
+  @override
+  bool operator ==(Object other) {
+    return identical(this, other) ||
+        (other.runtimeType == runtimeType &&
+            other is _$MonetizationStateImpl &&
+            (identical(other.adRemovalPurchased, adRemovalPurchased) ||
+                other.adRemovalPurchased == adRemovalPurchased) &&
+            (identical(other.rollsRemaining, rollsRemaining) ||
+                other.rollsRemaining == rollsRemaining) &&
+            (identical(other.undoRemaining, undoRemaining) ||
+                other.undoRemaining == undoRemaining) &&
+            const DeepCollectionEquality().equals(
+              other._rollHistory,
+              _rollHistory,
+            ) &&
+            (identical(other.autoReviveEndMs, autoReviveEndMs) ||
+                other.autoReviveEndMs == autoReviveEndMs) &&
+            (identical(other.speedBoostEndMs, speedBoostEndMs) ||
+                other.speedBoostEndMs == speedBoostEndMs) &&
+            (identical(other.lastPlayTime, lastPlayTime) ||
+                other.lastPlayTime == lastPlayTime) &&
+            (identical(other.pendingChests, pendingChests) ||
+                other.pendingChests == pendingChests) &&
+            (identical(other.luckyCharmEndMs, luckyCharmEndMs) ||
+                other.luckyCharmEndMs == luckyCharmEndMs));
+  }
+
+  @JsonKey(includeFromJson: false, includeToJson: false)
+  @override
+  int get hashCode => Object.hash(
+    runtimeType,
+    adRemovalPurchased,
+    rollsRemaining,
+    undoRemaining,
+    const DeepCollectionEquality().hash(_rollHistory),
+    autoReviveEndMs,
+    speedBoostEndMs,
+    lastPlayTime,
+    pendingChests,
+    luckyCharmEndMs,
+  );
+
+  /// Create a copy of MonetizationState
+  /// with the given fields replaced by the non-null parameter values.
+  @JsonKey(includeFromJson: false, includeToJson: false)
+  @override
+  @pragma('vm:prefer-inline')
+  _$$MonetizationStateImplCopyWith<_$MonetizationStateImpl> get copyWith =>
+      __$$MonetizationStateImplCopyWithImpl<_$MonetizationStateImpl>(
+        this,
+        _$identity,
+      );
+
+  @override
+  Map<String, dynamic> toJson() {
+    return _$$MonetizationStateImplToJson(this);
+  }
+}
+
+abstract class _MonetizationState extends MonetizationState {
+  const factory _MonetizationState({
+    final bool adRemovalPurchased,
+    final int rollsRemaining,
+    final int undoRemaining,
+    @JsonKey(fromJson: _statsListFromJson, toJson: _statsListToJson)
+    final List<Stats>? rollHistory,
+    final int? autoReviveEndMs,
+    final int? speedBoostEndMs,
+    @JsonKey(fromJson: _dateTimeFromJson, toJson: _dateTimeToJson)
+    final DateTime? lastPlayTime,
+    final int pendingChests,
+    final int? luckyCharmEndMs,
+  }) = _$MonetizationStateImpl;
+  const _MonetizationState._() : super._();
+
+  factory _MonetizationState.fromJson(Map<String, dynamic> json) =
+      _$MonetizationStateImpl.fromJson;
+
+  /// IAP 광고 제거 구매 여부
+  @override
+  bool get adRemovalPurchased;
+
+  /// 캐릭터 생성 굴리기 남은 횟수 (0-5)
+  @override
+  int get rollsRemaining;
+
+  /// 되돌리기 남은 횟수
+  @override
+  int get undoRemaining;
+
+  /// 되돌리기용 스탯 히스토리 (JSON 변환 커스텀)
+  @override
+  @JsonKey(fromJson: _statsListFromJson, toJson: _statsListToJson)
+  List<Stats>? get rollHistory;
+
+  /// 자동부활 버프 종료 시점 (elapsedMs 기준)
+  @override
+  int? get autoReviveEndMs;
+
+  /// 5배속 버프 종료 시점 (elapsedMs 기준)
+  @override
+  int? get speedBoostEndMs;
+
+  /// 마지막 플레이 시각 (복귀 보상 계산용)
+  @override
+  @JsonKey(fromJson: _dateTimeFromJson, toJson: _dateTimeToJson)
+  DateTime? get lastPlayTime;
+
+  /// 미개봉 보물 상자 개수
+  @override
+  int get pendingChests;
+
+  /// 행운의 부적 버프 종료 시점 (elapsedMs 기준)
+  @override
+  int? get luckyCharmEndMs;
+
+  /// Create a copy of MonetizationState
+  /// with the given fields replaced by the non-null parameter values.
+  @override
+  @JsonKey(includeFromJson: false, includeToJson: false)
+  _$$MonetizationStateImplCopyWith<_$MonetizationStateImpl> get copyWith =>
+      throw _privateConstructorUsedError;
+}

lib/src/core/model/monetization_state.g.dart

@@ -0,0 +1,35 @@
+// GENERATED CODE - DO NOT MODIFY BY HAND
+
+part of 'monetization_state.dart';
+
+// **************************************************************************
+// JsonSerializableGenerator
+// **************************************************************************
+
+_$MonetizationStateImpl _$$MonetizationStateImplFromJson(
+  Map<String, dynamic> json,
+) => _$MonetizationStateImpl(
+  adRemovalPurchased: json['adRemovalPurchased'] as bool? ?? false,
+  rollsRemaining: (json['rollsRemaining'] as num?)?.toInt() ?? 5,
+  undoRemaining: (json['undoRemaining'] as num?)?.toInt() ?? 1,
+  rollHistory: _statsListFromJson(json['rollHistory'] as List?),
+  autoReviveEndMs: (json['autoReviveEndMs'] as num?)?.toInt(),
+  speedBoostEndMs: (json['speedBoostEndMs'] as num?)?.toInt(),
+  lastPlayTime: _dateTimeFromJson((json['lastPlayTime'] as num?)?.toInt()),
+  pendingChests: (json['pendingChests'] as num?)?.toInt() ?? 0,
+  luckyCharmEndMs: (json['luckyCharmEndMs'] as num?)?.toInt(),
+);
+
+Map<String, dynamic> _$$MonetizationStateImplToJson(
+  _$MonetizationStateImpl instance,
+) => <String, dynamic>{
+  'adRemovalPurchased': instance.adRemovalPurchased,
+  'rollsRemaining': instance.rollsRemaining,
+  'undoRemaining': instance.undoRemaining,
+  'rollHistory': _statsListToJson(instance.rollHistory),
+  'autoReviveEndMs': instance.autoReviveEndMs,
+  'speedBoostEndMs': instance.speedBoostEndMs,
+  'lastPlayTime': _dateTimeToJson(instance.lastPlayTime),
+  'pendingChests': instance.pendingChests,
+  'luckyCharmEndMs': instance.luckyCharmEndMs,
+};

lib/src/core/model/save_data.dart

@@ -2,6 +2,7 @@ import 'dart:collection';
 
 import 'package:asciineverdie/src/core/model/equipment_item.dart';
 import 'package:asciineverdie/src/core/model/equipment_slot.dart';
+import 'package:asciineverdie/src/core/model/monetization_state.dart';
 import 'package:asciineverdie/src/core/model/monster_grade.dart';
 import 'package:asciineverdie/src/core/util/deterministic_random.dart';
 import 'package:asciineverdie/src/core/model/game_state.dart';
@@ -9,7 +10,8 @@ import 'package:asciineverdie/src/core/model/game_state.dart';
 /// 세이브 파일 버전
 /// - v2: 장비 이름만 저장 (레거시)
 /// - v3: 장비 전체 정보 저장 (level, rarity, stats 포함)
-const int kSaveVersion = 3;
+/// - v4: MonetizationState 추가, DeathInfo.lostItem 추가
+const int kSaveVersion = 4;
 
 class GameSave {
   GameSave({
@@ -23,9 +25,14 @@ class GameSave {
     required this.progress,
     required this.queue,
     this.cheatsEnabled = false,
+    this.monetization,
   });
 
-  factory GameSave.fromState(GameState state, {bool cheatsEnabled = false}) {
+  factory GameSave.fromState(
+    GameState state, {
+    bool cheatsEnabled = false,
+    MonetizationState? monetization,
+  }) {
     return GameSave(
       version: kSaveVersion,
       rngState: state.rng.state,
@@ -37,6 +44,7 @@ class GameSave {
       progress: state.progress,
       queue: state.queue,
       cheatsEnabled: cheatsEnabled,
+      monetization: monetization,
     );
   }
 
@@ -51,6 +59,9 @@ class GameSave {
   final QueueState queue;
   final bool cheatsEnabled;
 
+  /// 수익화 시스템 상태 (v4+)
+  final MonetizationState? monetization;
+
   Map<String, dynamic> toJson() {
     return {
       'version': version,
@@ -132,6 +143,7 @@ class GameSave {
             },
           )
           .toList(),
+      if (monetization != null) 'monetization': monetization!.toJson(),
     };
   }
 
@@ -244,6 +256,9 @@ class GameSave {
           }),
         ),
       ),
+      monetization: _monetizationFromJson(
+        json['monetization'] as Map<String, dynamic>?,
+      ),
     );
   }
 
@@ -355,3 +370,12 @@ Equipment _equipmentFromJson(Map<String, dynamic> json, int version) {
     bestIndex: json['bestIndex'] as int? ?? 0,
   );
 }
+
+/// MonetizationState 역직렬화 (v4+ 마이그레이션)
+///
+/// - v3 이하: null (기본값 사용)
+/// - v4 이상: 저장된 상태 로드
+MonetizationState? _monetizationFromJson(Map<String, dynamic>? json) {
+  if (json == null) return null;
+  return MonetizationState.fromJson(json);
+}

lib/src/core/storage/save_manager.dart

@@ -1,4 +1,5 @@
 import 'package:asciineverdie/src/core/model/game_state.dart';
+import 'package:asciineverdie/src/core/model/monetization_state.dart';
 import 'package:asciineverdie/src/core/model/save_data.dart';
 import 'package:asciineverdie/src/core/storage/save_repository.dart';
 import 'package:asciineverdie/src/core/storage/save_service.dart'
@@ -13,23 +14,36 @@ class SaveManager {
 
   /// Save current game state to disk. [fileName] may be absolute or relative.
   /// Returns outcome with error on failure.
+  ///
+  /// [monetization] 저장 시 lastPlayTime을 현재 시간으로 자동 업데이트
   Future<SaveOutcome> saveState(
     GameState state, {
     String? fileName,
     bool cheatsEnabled = false,
+    MonetizationState? monetization,
   }) {
-    final save = GameSave.fromState(state, cheatsEnabled: cheatsEnabled);
+    // lastPlayTime을 현재 시간으로 업데이트
+    final updatedMonetization = (monetization ?? MonetizationState.initial())
+        .copyWith(lastPlayTime: DateTime.now());
+
+    final save = GameSave.fromState(
+      state,
+      cheatsEnabled: cheatsEnabled,
+      monetization: updatedMonetization,
+    );
     return _repo.save(save, fileName ?? defaultFileName);
   }
 
   /// Load game state from disk. [fileName] may be absolute (e.g., file picker).
-  /// Returns outcome + optional state + cheatsEnabled flag.
-  Future<(SaveOutcome, GameState?, bool)> loadState({String? fileName}) async {
+  /// Returns outcome + optional state + cheatsEnabled flag + monetization state.
+  Future<(SaveOutcome, GameState?, bool, MonetizationState?)> loadState({
+    String? fileName,
+  }) async {
     final (outcome, save) = await _repo.load(fileName ?? defaultFileName);
     if (!outcome.success || save == null) {
-      return (outcome, null, false);
+      return (outcome, null, false, null);
     }
-    return (outcome, save.toState(), save.cheatsEnabled);
+    return (outcome, save.toState(), save.cheatsEnabled, save.monetization);
   }
 
   /// 저장 파일 목록 조회

lib/src/features/front/front_screen.dart

@@ -17,6 +17,7 @@ class FrontScreen extends StatefulWidget {
     this.onLoadSave,
     this.onHallOfFame,
     this.onLocalArena,
+    this.onSettings,
     this.hasSaveFile = false,
     this.savedGamePreview,
     this.hallOfFameCount = 0,
@@ -36,6 +37,9 @@ class FrontScreen extends StatefulWidget {
   /// "Local Arena" 버튼 클릭 시 호출
   final void Function(BuildContext context)? onLocalArena;
 
+  /// "Settings" 버튼 클릭 시 호출 (언어, 테마, 사운드)
+  final void Function(BuildContext context)? onSettings;
+
   /// 세이브 파일 존재 여부 (새 캐릭터 시 경고용)
   final bool hasSaveFile;
 
@@ -147,6 +151,9 @@ class _FrontScreenState extends State<FrontScreen> with RouteAware {
                                   widget.hallOfFameCount >= 2
                               ? () => widget.onLocalArena!(context)
                               : null,
+                          onSettings: widget.onSettings != null
+                              ? () => widget.onSettings!(context)
+                              : null,
                           savedGamePreview: widget.savedGamePreview,
                           hallOfFameCount: widget.hallOfFameCount,
                         ),
@@ -249,6 +256,7 @@ class _ActionButtons extends StatelessWidget {
     this.onLoadSave,
     this.onHallOfFame,
     this.onLocalArena,
+    this.onSettings,
     this.savedGamePreview,
     this.hallOfFameCount = 0,
   });
@@ -257,6 +265,7 @@ class _ActionButtons extends StatelessWidget {
   final VoidCallback? onLoadSave;
   final VoidCallback? onHallOfFame;
   final VoidCallback? onLocalArena;
+  final VoidCallback? onSettings;
   final SavedGamePreview? savedGamePreview;
   final int hallOfFameCount;
 
@@ -306,6 +315,14 @@ class _ActionButtons extends StatelessWidget {
             onPressed: hallOfFameCount >= 2 ? onLocalArena : null,
             isPrimary: false,
           ),
+          // 설정
+          const SizedBox(height: 12),
+          RetroTextButton(
+            text: game_l10n.uiSettings,
+            icon: Icons.settings,
+            onPressed: onSettings,
+            isPrimary: false,
+          ),
         ],
       ),
     );
@@ -399,3 +416,4 @@ class _RetroTag extends StatelessWidget {
     );
   }
 }
+

lib/src/features/game/game_play_screen.dart

@@ -6,6 +6,8 @@ import 'package:flutter/services.dart' show KeyDownEvent, LogicalKeyboardKey;
 
 import 'package:asciineverdie/data/game_text_l10n.dart' as game_l10n;
 import 'package:asciineverdie/data/skill_data.dart';
+import 'package:asciineverdie/src/core/engine/iap_service.dart';
+import 'package:asciineverdie/src/core/engine/return_rewards_service.dart';
 import 'package:asciineverdie/data/story_data.dart';
 import 'package:asciineverdie/l10n/app_localizations.dart';
 import 'package:asciineverdie/src/core/animation/ascii_animation_type.dart';
@@ -28,6 +30,7 @@ import 'package:asciineverdie/src/features/game/widgets/equipment_stats_panel.da
 import 'package:asciineverdie/src/features/game/widgets/potion_inventory_panel.dart';
 import 'package:asciineverdie/src/features/game/widgets/task_progress_panel.dart';
 import 'package:asciineverdie/src/features/game/widgets/active_buff_panel.dart';
+import 'package:asciineverdie/src/features/game/widgets/return_rewards_dialog.dart';
 import 'package:asciineverdie/src/features/game/layouts/mobile_carousel_layout.dart';
 import 'package:asciineverdie/src/features/settings/settings_screen.dart';
 import 'package:asciineverdie/src/features/game/widgets/statistics_dialog.dart';
@@ -246,6 +249,9 @@ class _GamePlayScreenState extends State<GamePlayScreen>
 
     // 오디오 볼륨 초기화
     _audioController.initVolumes();
+
+    // Phase 7: 복귀 보상 콜백 설정
+    widget.controller.onReturnRewardAvailable = _showReturnRewardsDialog;
   }
 
   @override
@@ -262,6 +268,7 @@ class _GamePlayScreenState extends State<GamePlayScreen>
     _storyService.dispose();
     WidgetsBinding.instance.removeObserver(this);
     widget.controller.removeListener(_onControllerChanged);
+    widget.controller.onReturnRewardAvailable = null; // Phase 7: 콜백 정리
     super.dispose();
   }
 
@@ -399,6 +406,21 @@ class _GamePlayScreenState extends State<GamePlayScreen>
     return platform == TargetPlatform.iOS || platform == TargetPlatform.android;
   }
 
+  /// 복귀 보상 다이얼로그 표시 (Phase 7)
+  void _showReturnRewardsDialog(ReturnReward reward) {
+    // 잠시 후 다이얼로그 표시 (게임 시작 후)
+    WidgetsBinding.instance.addPostFrameCallback((_) {
+      if (!mounted) return;
+      ReturnRewardsDialog.show(
+        context,
+        reward: reward,
+        onClaim: (totalGold) {
+          widget.controller.applyReturnReward(totalGold);
+        },
+      );
+    });
+  }
+
   /// 통계 다이얼로그 표시
   void _showStatisticsDialog(BuildContext context) {
     StatisticsDialog.show(
@@ -486,6 +508,47 @@ class _GamePlayScreenState extends State<GamePlayScreen>
     });
   }
 
+  /// 광고 부활 핸들러 (HP 100% + 아이템 복구 + 10분 자동부활)
+  Future<void> _handleAdRevive() async {
+    // 1. 부활 애니메이션 먼저 설정 (DeathOverlay 사라지기 전에)
+    setState(() {
+      _specialAnimation = AsciiAnimationType.resurrection;
+    });
+
+    // 2. 광고 부활 처리 (HP 100%, 아이템 복구, 10분 자동부활 버프)
+    await widget.controller.adRevive();
+
+    // 3. 애니메이션 종료 후 게임 재개
+    final duration = getSpecialAnimationDuration(
+      AsciiAnimationType.resurrection,
+    );
+    Future.delayed(Duration(milliseconds: duration), () async {
+      if (mounted) {
+        await widget.controller.resumeAfterResurrection();
+        if (mounted) {
+          setState(() {
+            _specialAnimation = null;
+          });
+        }
+      }
+    });
+  }
+
+  /// 속도 부스트 활성화 핸들러 (Phase 6)
+  Future<void> _handleSpeedBoost() async {
+    final activated = await widget.controller.activateSpeedBoost();
+    if (activated && mounted) {
+      _notificationService.show(
+        GameNotification(
+          type: NotificationType.info,
+          title: game_l10n.speedBoostActive,
+          duration: const Duration(seconds: 2),
+        ),
+      );
+      setState(() {});
+    }
+  }
+
   @override
   Widget build(BuildContext context) {
     final state = widget.controller.state;
@@ -603,6 +666,11 @@ class _GamePlayScreenState extends State<GamePlayScreen>
                     navigator.popUntil((route) => route.isFirst);
                   }
                 },
+                // 수익화 버프 (자동부활, 5배속)
+                autoReviveEndMs: widget.controller.monetization.autoReviveEndMs,
+                speedBoostEndMs: widget.controller.monetization.speedBoostEndMs,
+                isPaidUser: widget.controller.monetization.isPaidUser,
+                onSpeedBoostActivate: _handleSpeedBoost,
               ),
               // 사망 오버레이
               if (state.isDead && state.deathInfo != null)
@@ -610,12 +678,8 @@ class _GamePlayScreenState extends State<GamePlayScreen>
                   deathInfo: state.deathInfo!,
                   traits: state.traits,
                   onResurrect: _handleResurrect,
-                  isAutoResurrectEnabled: widget.controller.autoResurrect,
-                  onToggleAutoResurrect: () {
-                    widget.controller.setAutoResurrect(
-                      !widget.controller.autoResurrect,
-                    );
-                  },
+                  onAdRevive: _handleAdRevive,
+                  isPaidUser: IAPService.instance.isAdRemovalPurchased,
                 ),
               // 승리 오버레이 (게임 클리어)
               if (widget.controller.isComplete)
@@ -759,18 +823,14 @@ class _GamePlayScreenState extends State<GamePlayScreen>
                   ],
                 ),
 
-                // Phase 4: 사망 오버레이 (Death Overlay)
+                // 사망 오버레이
                 if (state.isDead && state.deathInfo != null)
                   DeathOverlay(
                     deathInfo: state.deathInfo!,
                     traits: state.traits,
                     onResurrect: _handleResurrect,
-                    isAutoResurrectEnabled: widget.controller.autoResurrect,
-                    onToggleAutoResurrect: () {
-                      widget.controller.setAutoResurrect(
-                        !widget.controller.autoResurrect,
-                      );
-                    },
+                    onAdRevive: _handleAdRevive,
+                    isPaidUser: IAPService.instance.isAdRemovalPurchased,
                   ),
                 // 승리 오버레이 (게임 클리어)
                 if (widget.controller.isComplete)

lib/src/features/game/game_session_controller.dart

@@ -1,14 +1,19 @@
 import 'dart:async';
 
+import 'package:asciineverdie/src/core/engine/ad_service.dart';
+import 'package:asciineverdie/src/core/engine/debug_settings_service.dart';
+import 'package:asciineverdie/src/core/engine/iap_service.dart';
 import 'package:asciineverdie/src/core/engine/progress_loop.dart';
 import 'package:asciineverdie/src/core/engine/progress_service.dart';
 import 'package:asciineverdie/src/core/engine/resurrection_service.dart';
+import 'package:asciineverdie/src/core/engine/return_rewards_service.dart';
 import 'package:asciineverdie/src/core/engine/shop_service.dart';
 import 'package:asciineverdie/src/core/engine/test_character_service.dart';
 import 'package:asciineverdie/src/core/model/combat_stats.dart';
 import 'package:asciineverdie/src/core/model/game_state.dart';
 import 'package:asciineverdie/src/core/model/game_statistics.dart';
 import 'package:asciineverdie/src/core/model/hall_of_fame.dart';
+import 'package:asciineverdie/src/core/model/monetization_state.dart';
 import 'package:asciineverdie/src/core/storage/hall_of_fame_storage.dart';
 import 'package:asciineverdie/src/core/storage/save_manager.dart';
 import 'package:asciineverdie/src/core/storage/statistics_storage.dart';
@@ -54,6 +59,20 @@ class GameSessionController extends ChangeNotifier {
   // 자동 부활 (Auto-Resurrection) 상태
   bool _autoResurrect = false;
 
+  // 속도 부스트 상태 (Phase 6)
+  bool _isSpeedBoostActive = false;
+  Timer? _speedBoostTimer;
+  int _speedBoostRemainingSeconds = 0;
+  static const int _speedBoostDuration = 300; // 5분
+  static const int _speedBoostMultiplier = 5; // 5x 속도
+
+  // 복귀 보상 상태 (Phase 7)
+  MonetizationState _monetization = MonetizationState.initial();
+  ReturnReward? _pendingReturnReward;
+
+  /// 복귀 보상 콜백 (UI에서 다이얼로그 표시용)
+  void Function(ReturnReward reward)? onReturnRewardAvailable;
+
   // 통계 관련 필드
   SessionStatistics _sessionStats = SessionStatistics.empty();
   CumulativeStatistics _cumulativeStats = CumulativeStatistics.empty();
@@ -152,18 +171,14 @@ class GameSessionController extends ChangeNotifier {
     notifyListeners();
   }
 
-  /// 명예의 전당 상태에 따른 가용 배속 목록 반환
-  /// - 디버그 모드(치트 활성화): [1, 5, 20] (터보 모드)
-  /// - 명예의 전당에 캐릭터 없음: [1, 5]
-  /// - 명예의 전당에 캐릭터 있음: [1, 2, 5]
+  /// 가용 배속 목록 반환
+  /// - 디버그 모드(치트 활성화): [1, 2, 20] (터보 모드 포함)
+  /// - 일반 모드: [1, 2] (5x는 광고 버프로만 활성화)
   Future<List<int>> _getAvailableSpeeds() async {
-    // 디버그 모드면 터보(20x) 추가
     if (_cheatsEnabled) {
-      return [1, 5, 20];
+      return [1, 2, 20];
     }
-
-    final hallOfFame = await _hallOfFameStorage.load();
-    return hallOfFame.isEmpty ? [1, 5] : [1, 2, 5];
+    return [1, 2];
   }
 
   /// 이전 값 초기화 (통계 변화 추적용)
@@ -241,9 +256,8 @@ class GameSessionController extends ChangeNotifier {
     _error = null;
     notifyListeners();
 
-    final (outcome, loaded, savedCheatsEnabled) = await saveManager.loadState(
-      fileName: fileName,
-    );
+    final (outcome, loaded, savedCheatsEnabled, savedMonetization) =
+        await saveManager.loadState(fileName: fileName);
     if (!outcome.success || loaded == null) {
       _status = GameSessionStatus.error;
       _error = outcome.error ?? 'Unknown error';
@@ -251,6 +265,12 @@ class GameSessionController extends ChangeNotifier {
       return;
     }
 
+    // 저장된 수익화 상태 복원
+    _monetization = savedMonetization ?? MonetizationState.initial();
+
+    // 복귀 보상 체크 (Phase 7)
+    _checkReturnRewards(loaded);
+
     // 저장된 치트 모드 상태 복원
     await startNew(loaded, cheatsEnabled: savedCheatsEnabled, isNewGame: false);
   }
@@ -312,8 +332,16 @@ class GameSessionController extends ChangeNotifier {
     _status = GameSessionStatus.dead;
     notifyListeners();
 
-    // 자동 부활이 활성화된 경우 잠시 후 자동으로 부활
-    if (_autoResurrect) {
+    // 자동 부활 조건 확인:
+    // 1. 수동 토글 자동부활 (_autoResurrect)
+    // 2. 유료 유저 (항상 자동부활)
+    // 3. 광고 부활 버프 활성 (10분간)
+    final elapsedMs = _state?.skillSystem.elapsedMs ?? 0;
+    final shouldAutoResurrect = _autoResurrect ||
+        IAPService.instance.isAdRemovalPurchased ||
+        _monetization.isAutoReviveActive(elapsedMs);
+
+    if (shouldAutoResurrect) {
       _scheduleAutoResurrect();
     }
   }
@@ -323,8 +351,15 @@ class GameSessionController extends ChangeNotifier {
   /// 사망 오버레이를 잠시 표시한 후 자동으로 부활 처리
   void _scheduleAutoResurrect() {
     Future.delayed(const Duration(milliseconds: 800), () async {
-      // 상태가 여전히 dead이고, 자동 부활이 활성화된 경우에만 부활
-      if (_status == GameSessionStatus.dead && _autoResurrect) {
+      if (_status != GameSessionStatus.dead) return;
+
+      // 자동 부활 조건 재확인
+      final elapsedMs = _state?.skillSystem.elapsedMs ?? 0;
+      final shouldAutoResurrect = _autoResurrect ||
+          IAPService.instance.isAdRemovalPurchased ||
+          _monetization.isAutoReviveActive(elapsedMs);
+
+      if (shouldAutoResurrect) {
         await resurrect();
         await resumeAfterResurrection();
       }
@@ -456,6 +491,7 @@ class GameSessionController extends ChangeNotifier {
     await saveManager.saveState(
       resurrectedState,
       cheatsEnabled: _cheatsEnabled,
+      monetization: _monetization,
     );
 
     notifyListeners();
@@ -471,10 +507,266 @@ class GameSessionController extends ChangeNotifier {
     await startNew(_state!, cheatsEnabled: _cheatsEnabled, isNewGame: false);
   }
 
+  // ===========================================================================
+  // 광고 부활 (HP 100% + 아이템 복구 + 10분 자동부활)
+  // ===========================================================================
+
+  /// 광고 부활 (HP 100% + 아이템 복구 + 10분 자동부활 버프)
+  ///
+  /// 유료 유저: 광고 없이 부활
+  /// 무료 유저: 리워드 광고 시청 후 부활
+  Future<void> adRevive() async {
+    if (_state == null || !_state!.isDead) return;
+
+    final shopService = ShopService(rng: _state!.rng);
+    final resurrectionService = ResurrectionService(shopService: shopService);
+
+    // 부활 처리 함수
+    void processRevive() {
+      _state = resurrectionService.processAdRevive(_state!);
+      _status = GameSessionStatus.idle;
+
+      // 10분 자동부활 버프 활성화 (elapsedMs 기준)
+      final buffEndMs = _state!.skillSystem.elapsedMs + 600000; // 10분 = 600,000ms
+      _monetization = _monetization.copyWith(
+        autoReviveEndMs: buffEndMs,
+      );
+
+      debugPrint('[GameSession] Ad revive complete, auto-revive buff until $buffEndMs ms');
+    }
+
+    // 유료 유저는 광고 없이 부활
+    if (IAPService.instance.isAdRemovalPurchased) {
+      processRevive();
+      await saveManager.saveState(
+        _state!,
+        cheatsEnabled: _cheatsEnabled,
+        monetization: _monetization,
+      );
+      notifyListeners();
+      debugPrint('[GameSession] Ad revive (paid user)');
+      return;
+    }
+
+    // 무료 유저는 리워드 광고 필요
+    final adResult = await AdService.instance.showRewardedAd(
+      adType: AdType.rewardRevive,
+      onRewarded: processRevive,
+    );
+
+    if (adResult == AdResult.completed || adResult == AdResult.debugSkipped) {
+      await saveManager.saveState(
+        _state!,
+        cheatsEnabled: _cheatsEnabled,
+        monetization: _monetization,
+      );
+      notifyListeners();
+      debugPrint('[GameSession] Ad revive (free user with ad)');
+    } else {
+      debugPrint('[GameSession] Ad revive failed: $adResult');
+    }
+  }
+
   /// 사망 상태 여부
   bool get isDead =>
       _status == GameSessionStatus.dead || (_state?.isDead ?? false);
 
   /// 게임 클리어 여부
   bool get isComplete => _status == GameSessionStatus.complete;
+
+  // ===========================================================================
+  // 속도 부스트 (Phase 6)
+  // ===========================================================================
+
+  /// 속도 부스트 활성화 여부
+  bool get isSpeedBoostActive => _isSpeedBoostActive;
+
+  /// 속도 부스트 남은 시간 (초)
+  int get speedBoostRemainingSeconds => _speedBoostRemainingSeconds;
+
+  /// 속도 부스트 배율
+  int get speedBoostMultiplier => _speedBoostMultiplier;
+
+  /// 속도 부스트 지속 시간 (초)
+  int get speedBoostDuration => _speedBoostDuration;
+
+  /// 현재 실제 배속 (부스트 적용 포함)
+  int get currentSpeedMultiplier {
+    if (_isSpeedBoostActive) return _speedBoostMultiplier;
+    return _loop?.speedMultiplier ?? _savedSpeedMultiplier;
+  }
+
+  /// 속도 부스트 활성화 (광고 시청 후)
+  ///
+  /// 유료 유저: 무료 활성화
+  /// 무료 유저: 인터스티셜 광고 시청 후 활성화
+  /// Returns: 활성화 성공 여부
+  Future<bool> activateSpeedBoost() async {
+    if (_isSpeedBoostActive) return false; // 이미 활성화됨
+    if (_loop == null) return false;
+
+    // 유료 유저는 무료 활성화
+    if (IAPService.instance.isAdRemovalPurchased) {
+      _startSpeedBoost();
+      debugPrint('[GameSession] Speed boost activated (paid user)');
+      return true;
+    }
+
+    // 무료 유저는 인터스티셜 광고 필요
+    bool activated = false;
+    final adResult = await AdService.instance.showInterstitialAd(
+      adType: AdType.interstitialSpeed,
+      onComplete: () {
+        _startSpeedBoost();
+        activated = true;
+      },
+    );
+
+    if (adResult == AdResult.completed || adResult == AdResult.debugSkipped) {
+      debugPrint('[GameSession] Speed boost activated (free user with ad)');
+      return activated;
+    }
+
+    debugPrint('[GameSession] Speed boost activation failed: $adResult');
+    return false;
+  }
+
+  /// 속도 부스트 시작 (내부)
+  void _startSpeedBoost() {
+    if (_loop == null) return;
+
+    // 현재 배속 저장
+    _savedSpeedMultiplier = _loop!.speedMultiplier;
+
+    // 부스트 배속 적용
+    _isSpeedBoostActive = true;
+    _speedBoostRemainingSeconds = _speedBoostDuration;
+
+    // monetization 상태에 종료 시점 저장 (UI 표시용)
+    final currentElapsedMs = _state?.skillSystem.elapsedMs ?? 0;
+    final endMs = currentElapsedMs + (_speedBoostDuration * 1000);
+    _monetization = _monetization.copyWith(speedBoostEndMs: endMs);
+
+    // ProgressLoop에 직접 배속 설정
+    _loop!.updateAvailableSpeeds([_speedBoostMultiplier]);
+
+    // 1초마다 남은 시간 감소
+    _speedBoostTimer?.cancel();
+    _speedBoostTimer = Timer.periodic(const Duration(seconds: 1), (timer) {
+      _speedBoostRemainingSeconds--;
+      notifyListeners();
+
+      if (_speedBoostRemainingSeconds <= 0) {
+        _endSpeedBoost();
+      }
+    });
+
+    notifyListeners();
+  }
+
+  /// 속도 부스트 종료 (내부)
+  void _endSpeedBoost() {
+    _speedBoostTimer?.cancel();
+    _speedBoostTimer = null;
+    _isSpeedBoostActive = false;
+    _speedBoostRemainingSeconds = 0;
+
+    // monetization 상태 초기화 (UI 표시 제거)
+    _monetization = _monetization.copyWith(speedBoostEndMs: null);
+
+    // 원래 배속 복원
+    if (_loop != null) {
+      _getAvailableSpeeds().then((speeds) {
+        _loop!.updateAvailableSpeeds(speeds);
+      });
+    }
+
+    notifyListeners();
+    debugPrint('[GameSession] Speed boost ended');
+  }
+
+  /// 속도 부스트 수동 취소
+  void cancelSpeedBoost() {
+    if (_isSpeedBoostActive) {
+      _endSpeedBoost();
+    }
+  }
+
+  // ===========================================================================
+  // 복귀 보상 (Phase 7)
+  // ===========================================================================
+
+  /// 현재 수익화 상태
+  MonetizationState get monetization => _monetization;
+
+  /// 대기 중인 복귀 보상
+  ReturnReward? get pendingReturnReward => _pendingReturnReward;
+
+  /// 복귀 보상 체크 (로드 시 호출)
+  void _checkReturnRewards(GameState loaded) {
+    final rewardsService = ReturnRewardsService.instance;
+    final debugSettings = DebugSettingsService.instance;
+
+    // 디버그 모드: 오프라인 시간 시뮬레이션 적용
+    final lastPlayTime = debugSettings.getSimulatedLastPlayTime(
+      _monetization.lastPlayTime,
+    );
+
+    final reward = rewardsService.calculateReward(
+      lastPlayTime: lastPlayTime,
+      currentTime: DateTime.now(),
+      playerLevel: loaded.traits.level,
+    );
+
+    if (reward.hasReward) {
+      _pendingReturnReward = reward;
+      debugPrint('[ReturnRewards] Reward available: ${reward.goldReward} gold, '
+          '${reward.hoursAway} hours away');
+
+      // UI에서 다이얼로그 표시를 위해 콜백 호출
+      // startNew 후에 호출하도록 딜레이
+      Future.delayed(const Duration(milliseconds: 500), () {
+        if (_pendingReturnReward != null) {
+          onReturnRewardAvailable?.call(_pendingReturnReward!);
+        }
+      });
+    }
+  }
+
+  /// 복귀 보상 수령 완료 (골드 적용)
+  ///
+  /// [totalGold] 수령한 총 골드 (기본 + 보너스)
+  void applyReturnReward(int totalGold) {
+    if (_state == null) return;
+    if (totalGold <= 0) {
+      // 보상 없이 건너뛴 경우
+      _pendingReturnReward = null;
+      debugPrint('[ReturnRewards] Reward skipped');
+      return;
+    }
+
+    // 골드 추가
+    final updatedInventory = _state!.inventory.copyWith(
+      gold: _state!.inventory.gold + totalGold,
+    );
+    _state = _state!.copyWith(inventory: updatedInventory);
+
+    // 저장
+    unawaited(saveManager.saveState(
+      _state!,
+      cheatsEnabled: _cheatsEnabled,
+      monetization: _monetization,
+    ));
+
+    _pendingReturnReward = null;
+    notifyListeners();
+
+    debugPrint('[ReturnRewards] Reward applied: $totalGold gold');
+  }
+
+  /// 복귀 보상 건너뛰기
+  void skipReturnReward() {
+    _pendingReturnReward = null;
+    debugPrint('[ReturnRewards] Reward skipped by user');
+  }
 }

lib/src/features/game/layouts/mobile_carousel_layout.dart

@@ -52,6 +52,10 @@ class MobileCarouselLayout extends StatefulWidget {
     this.onCheatQuest,
     this.onCheatPlot,
     this.onCreateTestCharacter,
+    this.autoReviveEndMs,
+    this.speedBoostEndMs,
+    this.isPaidUser = false,
+    this.onSpeedBoostActivate,
   });
 
   final GameState state;
@@ -102,6 +106,18 @@ class MobileCarouselLayout extends StatefulWidget {
   /// 테스트 캐릭터 생성 콜백 (디버그 모드 전용)
   final Future<void> Function()? onCreateTestCharacter;
 
+  /// 자동부활 버프 종료 시점 (elapsedMs 기준)
+  final int? autoReviveEndMs;
+
+  /// 5배속 버프 종료 시점 (elapsedMs 기준)
+  final int? speedBoostEndMs;
+
+  /// 유료 유저 여부
+  final bool isPaidUser;
+
+  /// 5배속 버프 활성화 콜백 (광고 시청)
+  final VoidCallback? onSpeedBoostActivate;
+
   @override
   State<MobileCarouselLayout> createState() => _MobileCarouselLayoutState();
 }
@@ -456,27 +472,7 @@ class _MobileCarouselLayoutState extends State<MobileCarouselLayout> {
               ListTile(
                 leading: const Icon(Icons.speed),
                 title: Text(l10n.menuSpeed),
-                trailing: Container(
-                  padding: const EdgeInsets.symmetric(
-                    horizontal: 12,
-                    vertical: 4,
-                  ),
-                  decoration: BoxDecoration(
-                    color: Theme.of(context).colorScheme.primaryContainer,
-                    borderRadius: BorderRadius.circular(12),
-                  ),
-                  child: Text(
-                    '${widget.speedMultiplier}x',
-                    style: TextStyle(
-                      fontWeight: FontWeight.bold,
-                      color: Theme.of(context).colorScheme.primary,
-                    ),
-                  ),
-                ),
-                onTap: () {
-                  widget.onSpeedCycle();
-                  Navigator.pop(context);
-                },
+                trailing: _buildSpeedSelector(context),
               ),
 
               const Divider(),
@@ -735,6 +731,10 @@ class _MobileCarouselLayoutState extends State<MobileCarouselLayout> {
                   state.progress.currentCombat?.recentEvents.lastOrNull,
               raceId: state.traits.raceId,
               weaponRarity: state.equipment.weaponItem.rarity,
+              autoReviveEndMs: widget.autoReviveEndMs,
+              speedBoostEndMs: widget.speedBoostEndMs,
+              isPaidUser: widget.isPaidUser,
+              onSpeedBoostActivate: widget.onSpeedBoostActivate,
             ),
 
             // 중앙: 캐로셀 (PageView)
@@ -794,4 +794,135 @@ class _MobileCarouselLayoutState extends State<MobileCarouselLayout> {
       ),
     );
   }
+
+  /// 속도 선택기 빌드 (옵션 메뉴용)
+  ///
+  /// - 1x, 2x: 무료 사이클
+  /// - ▶5x: 광고 시청 후 버프 (또는 버프 활성 시)
+  /// - 20x: 디버그 모드 전용
+  Widget _buildSpeedSelector(BuildContext context) {
+    final currentElapsedMs = widget.state.skillSystem.elapsedMs;
+    final speedBoostEndMs = widget.speedBoostEndMs ?? 0;
+    final isSpeedBoostActive =
+        speedBoostEndMs > currentElapsedMs || widget.isPaidUser;
+
+    return Row(
+      mainAxisSize: MainAxisSize.min,
+      children: [
+        // 1x 버튼
+        _buildSpeedChip(
+          context,
+          speed: 1,
+          isSelected: widget.speedMultiplier == 1 && !isSpeedBoostActive,
+          onTap: () {
+            widget.onSpeedCycle();
+            Navigator.pop(context);
+          },
+        ),
+        const SizedBox(width: 4),
+        // 2x 버튼
+        _buildSpeedChip(
+          context,
+          speed: 2,
+          isSelected: widget.speedMultiplier == 2 && !isSpeedBoostActive,
+          onTap: () {
+            widget.onSpeedCycle();
+            Navigator.pop(context);
+          },
+        ),
+        const SizedBox(width: 4),
+        // 5x 버튼 (광고 또는 버프 활성)
+        _buildSpeedChip(
+          context,
+          speed: 5,
+          isSelected: isSpeedBoostActive,
+          isAdBased: !isSpeedBoostActive && !widget.isPaidUser,
+          onTap: () {
+            if (!isSpeedBoostActive) {
+              widget.onSpeedBoostActivate?.call();
+            }
+            Navigator.pop(context);
+          },
+        ),
+        // 20x 버튼 (디버그 전용)
+        if (widget.cheatsEnabled) ...[
+          const SizedBox(width: 4),
+          _buildSpeedChip(
+            context,
+            speed: 20,
+            isSelected: widget.speedMultiplier == 20,
+            isDebug: true,
+            onTap: () {
+              widget.onSpeedCycle();
+              Navigator.pop(context);
+            },
+          ),
+        ],
+      ],
+    );
+  }
+
+  /// 속도 칩 빌드
+  Widget _buildSpeedChip(
+    BuildContext context, {
+    required int speed,
+    required bool isSelected,
+    required VoidCallback onTap,
+    bool isAdBased = false,
+    bool isDebug = false,
+  }) {
+    final Color bgColor;
+    final Color textColor;
+
+    if (isSelected) {
+      bgColor = isDebug
+          ? Colors.red
+          : speed == 5
+              ? Colors.orange
+              : Theme.of(context).colorScheme.primary;
+      textColor = Colors.white;
+    } else {
+      bgColor = Theme.of(context).colorScheme.surfaceContainerHighest;
+      textColor = isAdBased
+          ? Colors.orange
+          : isDebug
+              ? Colors.red.withValues(alpha: 0.7)
+              : Theme.of(context).colorScheme.onSurface;
+    }
+
+    return GestureDetector(
+      onTap: onTap,
+      child: Container(
+        padding: const EdgeInsets.symmetric(horizontal: 8, vertical: 4),
+        decoration: BoxDecoration(
+          color: bgColor,
+          borderRadius: BorderRadius.circular(12),
+          border: isAdBased && !isSelected
+              ? Border.all(color: Colors.orange)
+              : null,
+        ),
+        child: Row(
+          mainAxisSize: MainAxisSize.min,
+          children: [
+            if (isAdBased && !isSelected)
+              const Padding(
+                padding: EdgeInsets.only(right: 2),
+                child: Text(
+                  '▶',
+                  style: TextStyle(fontSize: 8, color: Colors.orange),
+                ),
+              ),
+            Text(
+              '${speed}x',
+              style: TextStyle(
+                fontSize: 12,
+                fontWeight: isSelected ? FontWeight.bold : FontWeight.normal,
+                color: textColor,
+              ),
+            ),
+          ],
+        ),
+      ),
+    );
+  }
 }

lib/src/features/game/widgets/death_overlay.dart

@@ -8,17 +8,19 @@ import 'package:asciineverdie/src/core/model/game_state.dart';
 import 'package:asciineverdie/src/core/model/item_stats.dart';
 import 'package:asciineverdie/src/shared/retro_colors.dart';
 
-/// 사망 오버레이 위젯 (Phase 4)
+/// 사망 오버레이 위젯
 ///
 /// 플레이어 사망 시 표시되는 전체 화면 오버레이
+/// - 무료 부활: HP 50%, 아이템 희생
+/// - 광고 부활: HP 100%, 아이템 복구, 10분 자동부활 버프
 class DeathOverlay extends StatelessWidget {
   const DeathOverlay({
     super.key,
     required this.deathInfo,
     required this.traits,
     required this.onResurrect,
-    this.isAutoResurrectEnabled = false,
-    this.onToggleAutoResurrect,
+    this.onAdRevive,
+    this.isPaidUser = false,
   });
 
   /// 사망 정보
@@ -27,14 +29,15 @@ class DeathOverlay extends StatelessWidget {
   /// 캐릭터 특성 (이름, 직업 등)
   final Traits traits;
 
-  /// 부활 버튼 콜백
+  /// 무료 부활 버튼 콜백 (HP 50%, 아이템 희생)
   final VoidCallback onResurrect;
 
-  /// 자동 부활 활성화 여부
-  final bool isAutoResurrectEnabled;
+  /// 광고 부활 버튼 콜백 (HP 100% + 아이템 복구 + 10분 자동부활)
+  /// null이면 광고 부활 버튼 숨김
+  final VoidCallback? onAdRevive;
 
-  /// 자동 부활 토글 콜백
-  final VoidCallback? onToggleAutoResurrect;
+  /// 유료 유저 여부 (광고 아이콘 표시용)
+  final bool isPaidUser;
 
   @override
   Widget build(BuildContext context) {
@@ -135,13 +138,13 @@ class DeathOverlay extends StatelessWidget {
 
                       const SizedBox(height: 24),
 
-                      // 부활 버튼
+                      // 일반 부활 버튼 (HP 50%, 아이템 희생)
                       _buildResurrectButton(context),
 
-                      // 자동 부활 버튼
-                      if (onToggleAutoResurrect != null) ...[
+                      // 광고 부활 버튼 (HP 100% + 아이템 복구 + 10분 자동부활)
+                      if (onAdRevive != null) ...[
                         const SizedBox(height: 12),
-                        _buildAutoResurrectButton(context),
+                        _buildAdReviveButton(context),
                       ],
                     ],
                   ),
@@ -464,77 +467,149 @@ class DeathOverlay extends StatelessWidget {
     );
   }
 
-  /// 자동 부활 토글 버튼
-  Widget _buildAutoResurrectButton(BuildContext context) {
-    final mpColor = RetroColors.mpOf(context);
-    final mpDark = RetroColors.mpDarkOf(context);
+  /// 광고 부활 버튼 (HP 100% + 아이템 복구 + 10분 자동부활)
+  Widget _buildAdReviveButton(BuildContext context) {
+    final gold = RetroColors.goldOf(context);
+    final goldDark = RetroColors.goldDarkOf(context);
     final muted = RetroColors.textMutedOf(context);
-
-    // 활성화 상태에 따른 색상
-    final buttonColor = isAutoResurrectEnabled ? mpColor : muted;
-    final buttonDark = isAutoResurrectEnabled
-        ? mpDark
-        : muted.withValues(alpha: 0.5);
+    final hasLostItem = deathInfo.lostItemName != null;
+    final itemRarityColor = _getRarityColor(deathInfo.lostItemRarity);
 
     return GestureDetector(
-      onTap: onToggleAutoResurrect,
+      onTap: onAdRevive,
       child: Container(
         width: double.infinity,
-        padding: const EdgeInsets.symmetric(vertical: 10),
+        padding: const EdgeInsets.symmetric(vertical: 12, horizontal: 12),
         decoration: BoxDecoration(
-          color: buttonColor.withValues(alpha: 0.15),
+          color: gold.withValues(alpha: 0.2),
           border: Border(
-            top: BorderSide(color: buttonColor, width: 2),
-            left: BorderSide(color: buttonColor, width: 2),
-            bottom: BorderSide(
-              color: buttonDark.withValues(alpha: 0.8),
-              width: 2,
-            ),
-            right: BorderSide(
-              color: buttonDark.withValues(alpha: 0.8),
-              width: 2,
-            ),
+            top: BorderSide(color: gold, width: 3),
+            left: BorderSide(color: gold, width: 3),
+            bottom: BorderSide(color: goldDark.withValues(alpha: 0.8), width: 3),
+            right: BorderSide(color: goldDark.withValues(alpha: 0.8), width: 3),
           ),
         ),
-        child: Row(
-          mainAxisAlignment: MainAxisAlignment.center,
+        child: Column(
           children: [
-            Text(
-              isAutoResurrectEnabled ? '◉' : '○',
-              style: TextStyle(
-                fontSize: 18,
-                color: buttonColor,
-                fontWeight: FontWeight.bold,
-              ),
+            // 메인 버튼 텍스트
+            Row(
+              mainAxisAlignment: MainAxisAlignment.center,
+              children: [
+                Text(
+                  '✨',
+                  style: TextStyle(fontSize: 20, color: gold),
+                ),
+                const SizedBox(width: 8),
+                Text(
+                  l10n.deathAdRevive.toUpperCase(),
+                  style: TextStyle(
+                    fontFamily: 'PressStart2P',
+                    fontSize: 14,
+                    color: gold,
+                    letterSpacing: 1,
+                  ),
+                ),
+                // 광고 뱃지 (무료 유저만)
+                if (!isPaidUser) ...[
+                  const SizedBox(width: 8),
+                  Container(
+                    padding: const EdgeInsets.symmetric(
+                      horizontal: 6,
+                      vertical: 2,
+                    ),
+                    decoration: BoxDecoration(
+                      color: Colors.white.withValues(alpha: 0.2),
+                      borderRadius: BorderRadius.circular(4),
+                    ),
+                    child: const Text(
+                      '▶ AD',
+                      style: TextStyle(
+                        fontFamily: 'PressStart2P',
+                        fontSize: 10,
+                        color: Colors.white,
+                      ),
+                    ),
+                  ),
+                ],
+              ],
             ),
-            const SizedBox(width: 8),
-            Text(
-              l10n.deathAutoResurrect.toUpperCase(),
-              style: TextStyle(
-                fontFamily: 'PressStart2P',
-                fontSize: 13,
-                color: buttonColor,
-                letterSpacing: 1,
-              ),
+            const SizedBox(height: 8),
+            // 혜택 목록
+            Column(
+              crossAxisAlignment: CrossAxisAlignment.start,
+              children: [
+                // HP 100% 회복
+                _buildBenefitRow(
+                  context,
+                  icon: '♥',
+                  text: l10n.deathAdReviveHp,
+                  color: RetroColors.hpOf(context),
+                ),
+                const SizedBox(height: 4),
+                // 아이템 복구 (잃은 아이템이 있을 때만)
+                if (hasLostItem) ...[
+                  _buildBenefitRow(
+                    context,
+                    icon: '🔄',
+                    text: '${l10n.deathAdReviveItem}: ${deathInfo.lostItemName}',
+                    color: itemRarityColor,
+                  ),
+                  const SizedBox(height: 4),
+                ],
+                // 10분 자동부활
+                _buildBenefitRow(
+                  context,
+                  icon: '⏱',
+                  text: l10n.deathAdReviveAuto,
+                  color: RetroColors.mpOf(context),
+                ),
+              ],
             ),
-            if (isAutoResurrectEnabled) ...[
-              const SizedBox(width: 6),
+            const SizedBox(height: 6),
+            // 유료 유저 설명
+            if (isPaidUser)
               Text(
-                'ON',
+                l10n.deathAdRevivePaidDesc,
                 style: TextStyle(
                   fontFamily: 'PressStart2P',
-                  fontSize: 13,
-                  color: mpColor,
-                  fontWeight: FontWeight.bold,
+                  fontSize: 9,
+                  color: muted,
                 ),
+                textAlign: TextAlign.center,
               ),
-            ],
           ],
         ),
       ),
     );
   }
 
+  /// 혜택 항목 행
+  Widget _buildBenefitRow(
+    BuildContext context, {
+    required String icon,
+    required String text,
+    required Color color,
+  }) {
+    return Row(
+      mainAxisAlignment: MainAxisAlignment.center,
+      children: [
+        Text(icon, style: TextStyle(fontSize: 14, color: color)),
+        const SizedBox(width: 6),
+        Flexible(
+          child: Text(
+            text,
+            style: TextStyle(
+              fontFamily: 'PressStart2P',
+              fontSize: 10,
+              color: color,
+            ),
+            overflow: TextOverflow.ellipsis,
+          ),
+        ),
+      ],
+    );
+  }
+
   /// 사망 직전 전투 로그 표시
   Widget _buildCombatLog(BuildContext context) {
     final events = deathInfo.lastCombatEvents;

lib/src/features/game/widgets/enhanced_animation_panel.dart

@@ -37,6 +37,10 @@ class EnhancedAnimationPanel extends StatefulWidget {
     this.latestCombatEvent,
     this.raceId,
     this.weaponRarity,
+    this.autoReviveEndMs,
+    this.speedBoostEndMs,
+    this.isPaidUser = false,
+    this.onSpeedBoostActivate,
   });
 
   final ProgressState progress;
@@ -65,6 +69,18 @@ class EnhancedAnimationPanel extends StatefulWidget {
   /// 무기 희귀도 (Phase 9: 무기 등급별 이펙트 색상)
   final ItemRarity? weaponRarity;
 
+  /// 자동부활 버프 종료 시점 (elapsedMs 기준, null이면 비활성)
+  final int? autoReviveEndMs;
+
+  /// 5배속 버프 종료 시점 (elapsedMs 기준, null이면 비활성)
+  final int? speedBoostEndMs;
+
+  /// 유료 유저 여부 (5배속 항상 활성)
+  final bool isPaidUser;
+
+  /// 5배속 버프 활성화 콜백 (광고 시청)
+  final VoidCallback? onSpeedBoostActivate;
+
   @override
   State<EnhancedAnimationPanel> createState() => _EnhancedAnimationPanelState();
 }
@@ -190,6 +206,22 @@ class _EnhancedAnimationPanelState extends State<EnhancedAnimationPanel>
   int? get _currentMonsterHpMax =>
       widget.progress.currentCombat?.monsterStats.hpMax;
 
+  /// 자동부활 버프 남은 시간 (ms)
+  int get _autoReviveRemainingMs {
+    final endMs = widget.autoReviveEndMs;
+    if (endMs == null) return 0;
+    final remaining = endMs - widget.skillSystem.elapsedMs;
+    return remaining > 0 ? remaining : 0;
+  }
+
+  /// 5배속 버프 남은 시간 (ms)
+  int get _speedBoostRemainingMs {
+    final endMs = widget.speedBoostEndMs;
+    if (endMs == null) return 0;
+    final remaining = endMs - widget.skillSystem.elapsedMs;
+    return remaining > 0 ? remaining : 0;
+  }
+
   @override
   void dispose() {
     _hpFlashController.dispose();
@@ -218,62 +250,94 @@ class _EnhancedAnimationPanelState extends State<EnhancedAnimationPanel>
       child: Column(
         mainAxisSize: MainAxisSize.min,
         children: [
-          // ASCII 애니메이션 (기존 높이 120 유지)
+          // ASCII 애니메이션 (기존 높이 120 유지) + 버프 오버레이
           SizedBox(
             height: 120,
-            child: AsciiAnimationCard(
-              taskType: widget.progress.currentTask.type,
-              monsterBaseName: widget.progress.currentTask.monsterBaseName,
-              specialAnimation: widget.specialAnimation,
-              weaponName: widget.weaponName,
-              shieldName: widget.shieldName,
-              characterLevel: widget.characterLevel,
-              monsterLevel: widget.monsterLevel,
-              monsterGrade: widget.monsterGrade,
-              monsterSize: widget.monsterSize,
-              isPaused: widget.isPaused,
-              isInCombat: isInCombat,
-              monsterDied: _monsterDied,
-              latestCombatEvent: widget.latestCombatEvent,
-              raceId: widget.raceId,
-              weaponRarity: widget.weaponRarity,
+            child: Stack(
+              children: [
+                // ASCII 애니메이션
+                AsciiAnimationCard(
+                  taskType: widget.progress.currentTask.type,
+                  monsterBaseName: widget.progress.currentTask.monsterBaseName,
+                  specialAnimation: widget.specialAnimation,
+                  weaponName: widget.weaponName,
+                  shieldName: widget.shieldName,
+                  characterLevel: widget.characterLevel,
+                  monsterLevel: widget.monsterLevel,
+                  monsterGrade: widget.monsterGrade,
+                  monsterSize: widget.monsterSize,
+                  isPaused: widget.isPaused,
+                  isInCombat: isInCombat,
+                  monsterDied: _monsterDied,
+                  latestCombatEvent: widget.latestCombatEvent,
+                  raceId: widget.raceId,
+                  weaponRarity: widget.weaponRarity,
+                ),
+                // 좌상단: 자동부활 버프
+                if (_autoReviveRemainingMs > 0)
+                  Positioned(
+                    left: 4,
+                    top: 4,
+                    child: _buildBuffChip(
+                      icon: '↺',
+                      remainingMs: _autoReviveRemainingMs,
+                      color: Colors.green,
+                    ),
+                  ),
+                // 우상단: 5배속 버프
+                if (_speedBoostRemainingMs > 0 || widget.isPaidUser)
+                  Positioned(
+                    right: 4,
+                    top: 4,
+                    child: _buildBuffChip(
+                      icon: '⚡',
+                      label: '5x',
+                      remainingMs: widget.isPaidUser ? -1 : _speedBoostRemainingMs,
+                      color: Colors.orange,
+                      isPermanent: widget.isPaidUser,
+                    ),
+                  ),
+              ],
             ),
           ),
 
           const SizedBox(height: 8),
 
-          // 상태 바 영역: HP/MP + 버프 아이콘 + 몬스터 HP
-          Row(
-            crossAxisAlignment: CrossAxisAlignment.start,
-            children: [
-              // 좌측: HP/MP 바
-              Expanded(
-                flex: 3,
-                child: Column(
-                  children: [
-                    _buildCompactHpBar(),
-                    const SizedBox(height: 4),
-                    _buildCompactMpBar(),
-                  ],
+          // 상태 바 영역: HP/MP (40%) + 컨트롤 (20%) + 몬스터 HP (40%)
+          SizedBox(
+            height: 48,
+            child: Row(
+              crossAxisAlignment: CrossAxisAlignment.stretch,
+              children: [
+                // 좌측: HP/MP 바 (40%)
+                Expanded(
+                  flex: 2,
+                  child: Column(
+                    mainAxisAlignment: MainAxisAlignment.spaceEvenly,
+                    children: [
+                      Expanded(child: _buildCompactHpBar()),
+                      const SizedBox(height: 4),
+                      Expanded(child: _buildCompactMpBar()),
+                    ],
+                  ),
                 ),
-              ),
 
-              const SizedBox(width: 8),
+                // 중앙: 컨트롤 버튼 (20%)
+                Expanded(
+                  flex: 1,
+                  child: _buildControlButtons(),
+                ),
 
-              // 중앙: 활성 버프 아이콘 (최대 3개)
-              _buildBuffIcons(),
-
-              const SizedBox(width: 8),
-
-              // 우측: 몬스터 HP (전투 중) 또는 컨트롤 버튼
-              Expanded(
-                flex: 2,
-                child: switch ((shouldShowMonsterHp, combat)) {
-                  (true, final c?) => _buildMonsterHpBar(c),
-                  _ => _buildControlButtons(),
-                },
-              ),
-            ],
+                // 우측: 몬스터 HP (전투 중) 또는 빈 공간 (40%)
+                Expanded(
+                  flex: 2,
+                  child: switch ((shouldShowMonsterHp, combat)) {
+                    (true, final c?) => _buildMonsterHpBar(c),
+                    _ => const SizedBox.shrink(),
+                  },
+                ),
+              ],
+            ),
           ),
 
           const SizedBox(height: 6),
@@ -298,7 +362,6 @@ class _EnhancedAnimationPanelState extends State<EnhancedAnimationPanel>
           children: [
             // HP 바
             Container(
-              height: 20,
               decoration: BoxDecoration(
                 color: isLow
                     ? Colors.red.withValues(alpha: 0.2)
@@ -330,13 +393,14 @@ class _EnhancedAnimationPanelState extends State<EnhancedAnimationPanel>
                           borderRadius: const BorderRadius.horizontal(
                             right: Radius.circular(3),
                           ),
-                          child: LinearProgressIndicator(
-                            value: ratio.clamp(0.0, 1.0),
-                            backgroundColor: Colors.red.withValues(alpha: 0.2),
-                            valueColor: AlwaysStoppedAnimation(
-                              isLow ? Colors.red : Colors.red.shade600,
+                          child: SizedBox.expand(
+                            child: LinearProgressIndicator(
+                              value: ratio.clamp(0.0, 1.0),
+                              backgroundColor: Colors.red.withValues(alpha: 0.2),
+                              valueColor: AlwaysStoppedAnimation(
+                                isLow ? Colors.red : Colors.red.shade600,
+                              ),
                             ),
-                            minHeight: 20,
                           ),
                         ),
                         // 숫자 오버레이 (바 중앙)
@@ -402,7 +466,6 @@ class _EnhancedAnimationPanelState extends State<EnhancedAnimationPanel>
           clipBehavior: Clip.none,
           children: [
             Container(
-              height: 20,
               decoration: BoxDecoration(
                 color: Colors.grey.shade800,
                 borderRadius: BorderRadius.circular(3),
@@ -431,13 +494,14 @@ class _EnhancedAnimationPanelState extends State<EnhancedAnimationPanel>
                           borderRadius: const BorderRadius.horizontal(
                             right: Radius.circular(3),
                           ),
-                          child: LinearProgressIndicator(
-                            value: ratio.clamp(0.0, 1.0),
-                            backgroundColor: Colors.blue.withValues(alpha: 0.2),
-                            valueColor: AlwaysStoppedAnimation(
-                              Colors.blue.shade600,
+                          child: SizedBox.expand(
+                            child: LinearProgressIndicator(
+                              value: ratio.clamp(0.0, 1.0),
+                              backgroundColor: Colors.blue.withValues(alpha: 0.2),
+                              valueColor: AlwaysStoppedAnimation(
+                                Colors.blue.shade600,
+                              ),
                             ),
-                            minHeight: 20,
                           ),
                         ),
                         // 숫자 오버레이 (바 중앙)
@@ -491,60 +555,6 @@ class _EnhancedAnimationPanelState extends State<EnhancedAnimationPanel>
     );
   }
 
-  /// 활성 버프 아이콘 (최대 3개)
-  ///
-  /// Wrap 위젯을 사용하여 공간 부족 시 자동 줄바꿈 처리
-  Widget _buildBuffIcons() {
-    final buffs = widget.skillSystem.activeBuffs;
-    final currentMs = widget.skillSystem.elapsedMs;
-
-    if (buffs.isEmpty) {
-      return const SizedBox(width: 60);
-    }
-
-    // 최대 3개만 표시
-    final displayBuffs = buffs.take(3).toList();
-
-    return ConstrainedBox(
-      constraints: const BoxConstraints(maxWidth: 72, minWidth: 60),
-      child: Wrap(
-        alignment: WrapAlignment.center,
-        spacing: 2,
-        runSpacing: 2,
-        children: displayBuffs.map((buff) {
-          final remainingMs = buff.remainingDuration(currentMs);
-          final progress = remainingMs / buff.effect.durationMs;
-          final isExpiring = remainingMs < 3000;
-
-          return Stack(
-            alignment: Alignment.center,
-            children: [
-              // 진행률 원형 표시
-              SizedBox(
-                width: 18,
-                height: 18,
-                child: CircularProgressIndicator(
-                  value: progress.clamp(0.0, 1.0),
-                  strokeWidth: 2,
-                  backgroundColor: Colors.grey.shade700,
-                  valueColor: AlwaysStoppedAnimation(
-                    isExpiring ? Colors.orange : Colors.lightBlue,
-                  ),
-                ),
-              ),
-              // 버프 아이콘
-              Icon(
-                Icons.trending_up,
-                size: 10,
-                color: isExpiring ? Colors.orange : Colors.lightBlue,
-              ),
-            ],
-          );
-        }).toList(),
-      ),
-    );
-  }
-
   /// 몬스터 HP 바 (전투 중)
   /// - HP바 중앙에 HP% 오버레이
   /// - 하단에 레벨.이름 표시
@@ -562,7 +572,6 @@ class _EnhancedAnimationPanelState extends State<EnhancedAnimationPanel>
           clipBehavior: Clip.none,
           children: [
             Container(
-              height: 52,
               decoration: BoxDecoration(
                 color: Colors.orange.withValues(alpha: 0.1),
                 borderRadius: BorderRadius.circular(4),
@@ -572,52 +581,54 @@ class _EnhancedAnimationPanelState extends State<EnhancedAnimationPanel>
                 mainAxisAlignment: MainAxisAlignment.center,
                 children: [
                   // HP 바 (HP% 중앙 오버레이)
-                  Padding(
-                    padding: const EdgeInsets.symmetric(horizontal: 4),
-                    child: Stack(
-                      alignment: Alignment.center,
-                      children: [
-                        // HP 바
-                        ClipRRect(
-                          borderRadius: BorderRadius.circular(2),
-                          child: LinearProgressIndicator(
-                            value: ratio.clamp(0.0, 1.0),
-                            backgroundColor: Colors.orange.withValues(
-                              alpha: 0.2,
-                            ),
-                            valueColor: const AlwaysStoppedAnimation(
-                              Colors.orange,
-                            ),
-                            minHeight: 16,
-                          ),
-                        ),
-                        // HP% 중앙 오버레이
-                        Text(
-                          '${(ratio * 100).toInt()}%',
-                          style: TextStyle(
-                            fontSize: 12,
-                            fontWeight: FontWeight.bold,
-                            color: Colors.white,
-                            shadows: [
-                              Shadow(
-                                color: Colors.black.withValues(alpha: 0.8),
-                                blurRadius: 2,
+                  Expanded(
+                    child: Padding(
+                      padding: const EdgeInsets.fromLTRB(4, 4, 4, 2),
+                      child: Stack(
+                        alignment: Alignment.center,
+                        children: [
+                          // HP 바
+                          ClipRRect(
+                            borderRadius: BorderRadius.circular(2),
+                            child: SizedBox.expand(
+                              child: LinearProgressIndicator(
+                                value: ratio.clamp(0.0, 1.0),
+                                backgroundColor: Colors.orange.withValues(
+                                  alpha: 0.2,
+                                ),
+                                valueColor: const AlwaysStoppedAnimation(
+                                  Colors.orange,
+                                ),
                               ),
-                              const Shadow(color: Colors.black, blurRadius: 4),
-                            ],
+                            ),
                           ),
-                        ),
-                      ],
+                          // HP% 중앙 오버레이
+                          Text(
+                            '${(ratio * 100).toInt()}%',
+                            style: TextStyle(
+                              fontSize: 12,
+                              fontWeight: FontWeight.bold,
+                              color: Colors.white,
+                              shadows: [
+                                Shadow(
+                                  color: Colors.black.withValues(alpha: 0.8),
+                                  blurRadius: 2,
+                                ),
+                                const Shadow(color: Colors.black, blurRadius: 4),
+                              ],
+                            ),
+                          ),
+                        ],
+                      ),
                     ),
                   ),
-                  const SizedBox(height: 2),
                   // 레벨.이름 표시
                   Padding(
-                    padding: const EdgeInsets.symmetric(horizontal: 4),
+                    padding: const EdgeInsets.fromLTRB(4, 0, 4, 4),
                     child: Text(
                       'Lv.$monsterLevel $monsterName',
                       style: const TextStyle(
-                        fontSize: 12,
+                        fontSize: 11,
                         color: Colors.orange,
                         fontWeight: FontWeight.bold,
                       ),
@@ -662,63 +673,91 @@ class _EnhancedAnimationPanelState extends State<EnhancedAnimationPanel>
     );
   }
 
-  /// 컨트롤 버튼 (비전투 시)
+  /// 컨트롤 버튼 (중앙 영역)
   Widget _buildControlButtons() {
+    return Column(
+      mainAxisAlignment: MainAxisAlignment.center,
+      children: [
+        // 상단: 속도 버튼 (1x ↔ 2x)
+        _buildCompactSpeedButton(),
+        const SizedBox(height: 2),
+        // 하단: 5x 광고 버튼 (2x일 때만 표시)
+        _buildAdSpeedButton(),
+      ],
+    );
+  }
+
+  /// 컴팩트 속도 버튼 (1x ↔ 2x 사이클)
+  Widget _buildCompactSpeedButton() {
+    final isSpeedBoostActive = _speedBoostRemainingMs > 0 || widget.isPaidUser;
+
     return SizedBox(
-      height: 40,
-      child: Row(
-        mainAxisAlignment: MainAxisAlignment.center,
-        children: [
-          // 일시정지 버튼
-          SizedBox(
-            width: 40,
-            height: 36,
-            child: OutlinedButton(
-              onPressed: widget.onPauseToggle,
-              style: OutlinedButton.styleFrom(
-                padding: EdgeInsets.zero,
-                visualDensity: VisualDensity.compact,
-                side: BorderSide(
-                  color: widget.isPaused
-                      ? Colors.orange.withValues(alpha: 0.7)
-                      : Theme.of(
-                          context,
-                        ).colorScheme.outline.withValues(alpha: 0.5),
-                ),
-              ),
-              child: Icon(
-                widget.isPaused ? Icons.play_arrow : Icons.pause,
-                size: 18,
-                color: widget.isPaused ? Colors.orange : null,
+      width: 32,
+      height: 22,
+      child: OutlinedButton(
+        onPressed: widget.onSpeedCycle,
+        style: OutlinedButton.styleFrom(
+          padding: EdgeInsets.zero,
+          visualDensity: VisualDensity.compact,
+          side: BorderSide(
+            color: isSpeedBoostActive
+                ? Colors.orange
+                : widget.speedMultiplier > 1
+                    ? Theme.of(context).colorScheme.primary
+                    : Theme.of(context).colorScheme.outline.withValues(alpha: 0.5),
+          ),
+        ),
+        child: Text(
+          isSpeedBoostActive ? '5x' : '${widget.speedMultiplier}x',
+          style: TextStyle(
+            fontSize: 10,
+            fontWeight: FontWeight.bold,
+            color: isSpeedBoostActive
+                ? Colors.orange
+                : widget.speedMultiplier > 1
+                    ? Theme.of(context).colorScheme.primary
+                    : null,
+          ),
+        ),
+      ),
+    );
+  }
+
+  /// 5x 광고 버튼 (2x일 때만 표시)
+  Widget _buildAdSpeedButton() {
+    final isSpeedBoostActive = _speedBoostRemainingMs > 0 || widget.isPaidUser;
+    // 2x이고 5배속 버프 비활성이고 무료유저일 때만 표시
+    final showAdButton =
+        widget.speedMultiplier == 2 && !isSpeedBoostActive && !widget.isPaidUser;
+
+    if (!showAdButton) {
+      return const SizedBox(height: 22);
+    }
+
+    return SizedBox(
+      height: 22,
+      child: OutlinedButton(
+        onPressed: widget.onSpeedBoostActivate,
+        style: OutlinedButton.styleFrom(
+          padding: const EdgeInsets.symmetric(horizontal: 8),
+          visualDensity: VisualDensity.compact,
+          side: const BorderSide(color: Colors.orange),
+        ),
+        child: const Row(
+          mainAxisSize: MainAxisSize.min,
+          children: [
+            Text('▶', style: TextStyle(fontSize: 8, color: Colors.orange)),
+            SizedBox(width: 2),
+            Text(
+              '5x',
+              style: TextStyle(
+                fontSize: 10,
+                fontWeight: FontWeight.bold,
+                color: Colors.orange,
               ),
             ),
-          ),
-          const SizedBox(width: 4),
-          // 속도 버튼
-          SizedBox(
-            width: 44,
-            height: 36,
-            child: OutlinedButton(
-              onPressed: widget.onSpeedCycle,
-              style: OutlinedButton.styleFrom(
-                padding: EdgeInsets.zero,
-                visualDensity: VisualDensity.compact,
-              ),
-              child: Text(
-                '${widget.speedMultiplier}x',
-                style: TextStyle(
-                  fontSize: 12,
-                  fontWeight: widget.speedMultiplier > 1
-                      ? FontWeight.bold
-                      : FontWeight.normal,
-                  color: widget.speedMultiplier > 1
-                      ? Theme.of(context).colorScheme.primary
-                      : null,
-                ),
-              ),
-            ),
-          ),
-        ],
+          ],
+        ),
       ),
     );
   }
@@ -796,4 +835,64 @@ class _EnhancedAnimationPanelState extends State<EnhancedAnimationPanel>
       ],
     );
   }
+
+  /// 버프 칩 위젯 (좌상단/우상단 오버레이용)
+  Widget _buildBuffChip({
+    required String icon,
+    required int remainingMs,
+    required Color color,
+    String? label,
+    bool isPermanent = false,
+  }) {
+    // 남은 시간 포맷 (분:초)
+    String timeText;
+    if (isPermanent) {
+      timeText = '∞';
+    } else {
+      final seconds = (remainingMs / 1000).ceil();
+      final min = seconds ~/ 60;
+      final sec = seconds % 60;
+      timeText = '$min:${sec.toString().padLeft(2, '0')}';
+    }
+
+    return Container(
+      padding: const EdgeInsets.symmetric(horizontal: 6, vertical: 3),
+      decoration: BoxDecoration(
+        color: Colors.black.withValues(alpha: 0.7),
+        borderRadius: BorderRadius.circular(4),
+        border: Border.all(color: color.withValues(alpha: 0.7), width: 1),
+      ),
+      child: Row(
+        mainAxisSize: MainAxisSize.min,
+        children: [
+          Text(
+            icon,
+            style: TextStyle(fontSize: 12, color: color),
+          ),
+          if (label != null) ...[
+            const SizedBox(width: 2),
+            Text(
+              label,
+              style: TextStyle(
+                fontFamily: 'JetBrainsMono',
+                fontSize: 10,
+                color: color,
+                fontWeight: FontWeight.bold,
+              ),
+            ),
+          ],
+          const SizedBox(width: 3),
+          Text(
+            timeText,
+            style: TextStyle(
+              fontFamily: 'JetBrainsMono',
+              fontSize: 10,
+              color: color,
+              fontWeight: FontWeight.bold,
+            ),
+          ),
+        ],
+      ),
+    );
+  }
 }

lib/src/features/game/widgets/return_rewards_dialog.dart

@@ -0,0 +1,386 @@
+import 'package:flutter/material.dart';
+
+import 'package:asciineverdie/data/game_text_l10n.dart' as l10n;
+import 'package:asciineverdie/src/core/engine/iap_service.dart';
+import 'package:asciineverdie/src/core/engine/return_rewards_service.dart';
+import 'package:asciineverdie/src/shared/retro_colors.dart';
+
+/// 복귀 보상 다이얼로그 (Phase 7)
+///
+/// 게임 복귀 시 보상을 표시하는 다이얼로그
+class ReturnRewardsDialog extends StatefulWidget {
+  const ReturnRewardsDialog({
+    super.key,
+    required this.reward,
+    required this.onClaim,
+  });
+
+  /// 복귀 보상 데이터
+  final ReturnReward reward;
+
+  /// 보상 수령 콜백 (totalGold)
+  final void Function(int totalGold) onClaim;
+
+  /// 다이얼로그 표시
+  static Future<void> show(
+    BuildContext context, {
+    required ReturnReward reward,
+    required void Function(int totalGold) onClaim,
+  }) async {
+    return showDialog<void>(
+      context: context,
+      barrierDismissible: false,
+      builder: (context) => ReturnRewardsDialog(
+        reward: reward,
+        onClaim: onClaim,
+      ),
+    );
+  }
+
+  @override
+  State<ReturnRewardsDialog> createState() => _ReturnRewardsDialogState();
+}
+
+class _ReturnRewardsDialogState extends State<ReturnRewardsDialog> {
+  bool _basicClaimed = false;
+  bool _bonusClaimed = false;
+  bool _isClaimingBonus = false;
+  int _totalClaimed = 0;
+
+  final _rewardsService = ReturnRewardsService.instance;
+
+  @override
+  Widget build(BuildContext context) {
+    final gold = RetroColors.goldOf(context);
+    final goldDark = RetroColors.goldDarkOf(context);
+    final panelBg = RetroColors.panelBgOf(context);
+    final borderColor = RetroColors.borderOf(context);
+    final expColor = RetroColors.expOf(context);
+    final isPaidUser = IAPService.instance.isAdRemovalPurchased;
+
+    return Dialog(
+      backgroundColor: Colors.transparent,
+      child: Container(
+        constraints: const BoxConstraints(maxWidth: 360),
+        decoration: BoxDecoration(
+          color: panelBg,
+          border: Border(
+            top: BorderSide(color: gold, width: 4),
+            left: BorderSide(color: gold, width: 4),
+            bottom: BorderSide(color: borderColor, width: 4),
+            right: BorderSide(color: borderColor, width: 4),
+          ),
+          boxShadow: [
+            BoxShadow(
+              color: gold.withValues(alpha: 0.4),
+              blurRadius: 20,
+              spreadRadius: 2,
+            ),
+          ],
+        ),
+        child: Column(
+          mainAxisSize: MainAxisSize.min,
+          children: [
+            // 헤더
+            _buildHeader(context, gold),
+
+            Padding(
+              padding: const EdgeInsets.all(16),
+              child: Column(
+                mainAxisSize: MainAxisSize.min,
+                children: [
+                  // 떠나있던 시간
+                  Text(
+                    l10n.returnRewardHoursAway(
+                      _rewardsService.formatHoursAway(widget.reward.hoursAway),
+                    ),
+                    style: TextStyle(
+                      fontFamily: 'PressStart2P',
+                      fontSize: 11,
+                      color: gold.withValues(alpha: 0.8),
+                    ),
+                    textAlign: TextAlign.center,
+                  ),
+                  const SizedBox(height: 20),
+
+                  // 기본 보상
+                  _buildRewardSection(
+                    context,
+                    title: l10n.returnRewardBasic,
+                    gold: widget.reward.goldReward,
+                    color: gold,
+                    colorDark: goldDark,
+                    claimed: _basicClaimed,
+                    onClaim: _claimBasic,
+                    buttonText: l10n.returnRewardClaim,
+                  ),
+                  const SizedBox(height: 16),
+
+                  // 보너스 보상
+                  _buildRewardSection(
+                    context,
+                    title: l10n.returnRewardBonus,
+                    gold: widget.reward.bonusGold,
+                    color: expColor,
+                    colorDark: expColor.withValues(alpha: 0.6),
+                    claimed: _bonusClaimed,
+                    onClaim: _claimBonus,
+                    buttonText: l10n.returnRewardClaimBonus,
+                    showAdIcon: !isPaidUser,
+                    isLoading: _isClaimingBonus,
+                    enabled: _basicClaimed && !_bonusClaimed,
+                  ),
+                  const SizedBox(height: 20),
+
+                  // 완료/건너뛰기 버튼
+                  _buildBottomButton(context),
+                ],
+              ),
+            ),
+          ],
+        ),
+      ),
+    );
+  }
+
+  Widget _buildHeader(BuildContext context, Color gold) {
+    return Container(
+      width: double.infinity,
+      padding: const EdgeInsets.symmetric(horizontal: 12, vertical: 10),
+      decoration: BoxDecoration(
+        color: gold.withValues(alpha: 0.3),
+        border: Border(bottom: BorderSide(color: gold, width: 2)),
+      ),
+      child: Row(
+        mainAxisAlignment: MainAxisAlignment.center,
+        children: [
+          Text('🎁', style: TextStyle(fontSize: 20, color: gold)),
+          const SizedBox(width: 8),
+          Text(
+            l10n.returnRewardTitle,
+            style: TextStyle(
+              fontFamily: 'PressStart2P',
+              fontSize: 14,
+              color: gold,
+              letterSpacing: 1,
+            ),
+          ),
+          const SizedBox(width: 8),
+          Text('🎁', style: TextStyle(fontSize: 20, color: gold)),
+        ],
+      ),
+    );
+  }
+
+  Widget _buildRewardSection(
+    BuildContext context, {
+    required String title,
+    required int gold,
+    required Color color,
+    required Color colorDark,
+    required bool claimed,
+    required VoidCallback onClaim,
+    required String buttonText,
+    bool showAdIcon = false,
+    bool isLoading = false,
+    bool enabled = true,
+  }) {
+    final muted = RetroColors.textMutedOf(context);
+
+    return Container(
+      padding: const EdgeInsets.all(12),
+      decoration: BoxDecoration(
+        color: color.withValues(alpha: 0.1),
+        border: Border.all(color: color.withValues(alpha: 0.5), width: 2),
+      ),
+      child: Column(
+        children: [
+          // 제목
+          Text(
+            title,
+            style: TextStyle(
+              fontFamily: 'PressStart2P',
+              fontSize: 11,
+              color: color,
+            ),
+          ),
+          const SizedBox(height: 8),
+
+          // 골드 표시
+          Row(
+            mainAxisAlignment: MainAxisAlignment.center,
+            children: [
+              const Text('💰', style: TextStyle(fontSize: 20)),
+              const SizedBox(width: 8),
+              Text(
+                l10n.returnRewardGold(gold),
+                style: TextStyle(
+                  fontFamily: 'PressStart2P',
+                  fontSize: 14,
+                  color: claimed ? muted : color,
+                  decoration: claimed ? TextDecoration.lineThrough : null,
+                ),
+              ),
+              if (claimed) ...[
+                const SizedBox(width: 8),
+                Text(
+                  '✓',
+                  style: TextStyle(
+                    fontSize: 18,
+                    color: RetroColors.expOf(context),
+                    fontWeight: FontWeight.bold,
+                  ),
+                ),
+              ],
+            ],
+          ),
+
+          if (!claimed) ...[
+            const SizedBox(height: 12),
+
+            // 수령 버튼
+            GestureDetector(
+              onTap: enabled && !isLoading ? onClaim : null,
+              child: Container(
+                padding: const EdgeInsets.symmetric(
+                  horizontal: 16,
+                  vertical: 8,
+                ),
+                decoration: BoxDecoration(
+                  color: enabled
+                      ? color.withValues(alpha: 0.3)
+                      : muted.withValues(alpha: 0.2),
+                  border: Border.all(
+                    color: enabled ? color : muted,
+                    width: 2,
+                  ),
+                ),
+                child: Row(
+                  mainAxisSize: MainAxisSize.min,
+                  children: [
+                    if (isLoading) ...[
+                      SizedBox(
+                        width: 16,
+                        height: 16,
+                        child: CircularProgressIndicator(
+                          strokeWidth: 2,
+                          color: color,
+                        ),
+                      ),
+                      const SizedBox(width: 8),
+                    ],
+                    Text(
+                      buttonText,
+                      style: TextStyle(
+                        fontFamily: 'PressStart2P',
+                        fontSize: 11,
+                        color: enabled ? color : muted,
+                      ),
+                    ),
+                    if (showAdIcon && !isLoading) ...[
+                      const SizedBox(width: 8),
+                      Container(
+                        padding: const EdgeInsets.symmetric(
+                          horizontal: 4,
+                          vertical: 2,
+                        ),
+                        decoration: BoxDecoration(
+                          color: Colors.white.withValues(alpha: 0.2),
+                          borderRadius: BorderRadius.circular(4),
+                        ),
+                        child: Text(
+                          'AD',
+                          style: TextStyle(
+                            fontFamily: 'PressStart2P',
+                            fontSize: 8,
+                            color: enabled ? Colors.white : muted,
+                          ),
+                        ),
+                      ),
+                    ],
+                  ],
+                ),
+              ),
+            ),
+          ],
+        ],
+      ),
+    );
+  }
+
+  Widget _buildBottomButton(BuildContext context) {
+    final gold = RetroColors.goldOf(context);
+    final goldDark = RetroColors.goldDarkOf(context);
+    final muted = RetroColors.textMutedOf(context);
+
+    final canComplete = _basicClaimed;
+    final buttonColor = canComplete ? gold : muted;
+    final buttonDark = canComplete ? goldDark : muted.withValues(alpha: 0.5);
+
+    return GestureDetector(
+      onTap: canComplete ? _complete : _skip,
+      child: Container(
+        width: double.infinity,
+        padding: const EdgeInsets.symmetric(vertical: 10),
+        decoration: BoxDecoration(
+          color: buttonColor.withValues(alpha: 0.2),
+          border: Border(
+            top: BorderSide(color: buttonColor, width: 2),
+            left: BorderSide(color: buttonColor, width: 2),
+            bottom: BorderSide(color: buttonDark, width: 2),
+            right: BorderSide(color: buttonDark, width: 2),
+          ),
+        ),
+        child: Text(
+          canComplete ? 'OK' : l10n.returnRewardSkip,
+          style: TextStyle(
+            fontFamily: 'PressStart2P',
+            fontSize: 12,
+            color: buttonColor,
+          ),
+          textAlign: TextAlign.center,
+        ),
+      ),
+    );
+  }
+
+  void _claimBasic() {
+    if (_basicClaimed) return;
+
+    final claimed = _rewardsService.claimBasicReward(widget.reward);
+    setState(() {
+      _basicClaimed = true;
+      _totalClaimed += claimed;
+    });
+  }
+
+  Future<void> _claimBonus() async {
+    if (_bonusClaimed || _isClaimingBonus) return;
+
+    setState(() {
+      _isClaimingBonus = true;
+    });
+
+    final bonus = await _rewardsService.claimBonusReward(widget.reward);
+
+    if (mounted) {
+      setState(() {
+        _isClaimingBonus = false;
+        if (bonus > 0) {
+          _bonusClaimed = true;
+          _totalClaimed += bonus;
+        }
+      });
+    }
+  }
+
+  void _complete() {
+    widget.onClaim(_totalClaimed);
+    Navigator.of(context).pop();
+  }
+
+  void _skip() {
+    widget.onClaim(0);
+    Navigator.of(context).pop();
+  }
+}

lib/src/features/game/widgets/speed_boost_button.dart

@@ -0,0 +1,156 @@
+import 'package:flutter/material.dart';
+
+import 'package:asciineverdie/data/game_text_l10n.dart' as l10n;
+import 'package:asciineverdie/src/core/engine/iap_service.dart';
+import 'package:asciineverdie/src/shared/retro_colors.dart';
+
+/// 속도 부스트 버튼 위젯 (Phase 6)
+///
+/// 게임 화면에 표시되는 속도 부스트 활성화 버튼
+class SpeedBoostButton extends StatelessWidget {
+  const SpeedBoostButton({
+    super.key,
+    required this.isActive,
+    required this.remainingSeconds,
+    required this.onActivate,
+    this.boostMultiplier = 10,
+  });
+
+  /// 부스트 활성화 여부
+  final bool isActive;
+
+  /// 남은 시간 (초)
+  final int remainingSeconds;
+
+  /// 부스트 배율
+  final int boostMultiplier;
+
+  /// 활성화 콜백
+  final VoidCallback onActivate;
+
+  @override
+  Widget build(BuildContext context) {
+    final isPaidUser = IAPService.instance.isAdRemovalPurchased;
+    final gold = RetroColors.goldOf(context);
+    final goldDark = RetroColors.goldDarkOf(context);
+    final expColor = RetroColors.expOf(context);
+
+    // 부스트 활성화 중일 때
+    if (isActive) {
+      return _buildActiveButton(context, expColor);
+    }
+
+    // 부스트 비활성화 상태
+    return _buildInactiveButton(context, gold, goldDark, isPaidUser);
+  }
+
+  Widget _buildActiveButton(BuildContext context, Color expColor) {
+    return Container(
+      padding: const EdgeInsets.symmetric(horizontal: 12, vertical: 8),
+      decoration: BoxDecoration(
+        color: expColor.withValues(alpha: 0.3),
+        borderRadius: BorderRadius.circular(8),
+        border: Border.all(color: expColor, width: 2),
+        boxShadow: [
+          BoxShadow(
+            color: expColor.withValues(alpha: 0.5),
+            blurRadius: 8,
+            spreadRadius: 1,
+          ),
+        ],
+      ),
+      child: Column(
+        mainAxisSize: MainAxisSize.min,
+        children: [
+          Row(
+            mainAxisSize: MainAxisSize.min,
+            children: [
+              Text(
+                '⚡',
+                style: TextStyle(fontSize: 18, color: expColor),
+              ),
+              const SizedBox(width: 4),
+              Text(
+                '${boostMultiplier}x',
+                style: TextStyle(
+                  fontFamily: 'PressStart2P',
+                  fontSize: 14,
+                  color: expColor,
+                  fontWeight: FontWeight.bold,
+                ),
+              ),
+            ],
+          ),
+          const SizedBox(height: 4),
+          Text(
+            l10n.speedBoostRemaining(remainingSeconds),
+            style: TextStyle(
+              fontFamily: 'PressStart2P',
+              fontSize: 10,
+              color: expColor.withValues(alpha: 0.8),
+            ),
+          ),
+        ],
+      ),
+    );
+  }
+
+  Widget _buildInactiveButton(
+    BuildContext context,
+    Color gold,
+    Color goldDark,
+    bool isPaidUser,
+  ) {
+    return GestureDetector(
+      onTap: onActivate,
+      child: Container(
+        padding: const EdgeInsets.symmetric(horizontal: 12, vertical: 8),
+        decoration: BoxDecoration(
+          color: gold.withValues(alpha: 0.2),
+          borderRadius: BorderRadius.circular(8),
+          border: Border.all(color: gold, width: 2),
+        ),
+        child: Row(
+          mainAxisSize: MainAxisSize.min,
+          children: [
+            Text(
+              '⚡',
+              style: TextStyle(fontSize: 18, color: gold),
+            ),
+            const SizedBox(width: 4),
+            Text(
+              '${boostMultiplier}x',
+              style: TextStyle(
+                fontFamily: 'PressStart2P',
+                fontSize: 12,
+                color: gold,
+              ),
+            ),
+            // 광고 아이콘 (무료 유저만)
+            if (!isPaidUser) ...[
+              const SizedBox(width: 6),
+              Container(
+                padding: const EdgeInsets.symmetric(
+                  horizontal: 4,
+                  vertical: 2,
+                ),
+                decoration: BoxDecoration(
+                  color: Colors.white.withValues(alpha: 0.2),
+                  borderRadius: BorderRadius.circular(4),
+                ),
+                child: const Text(
+                  'AD',
+                  style: TextStyle(
+                    fontFamily: 'PressStart2P',
+                    fontSize: 8,
+                    color: Colors.white,
+                  ),
+                ),
+              ),
+            ],
+          ],
+        ),
+      ),
+    );
+  }
+}

lib/src/features/new_character/new_character_screen.dart

@@ -8,6 +8,8 @@ import 'package:asciineverdie/data/class_data.dart';
 import 'package:asciineverdie/data/game_text_l10n.dart' as game_l10n;
 import 'package:asciineverdie/data/race_data.dart';
 import 'package:asciineverdie/l10n/app_localizations.dart';
+import 'package:asciineverdie/src/core/engine/character_roll_service.dart';
+import 'package:asciineverdie/src/core/engine/iap_service.dart';
 import 'package:asciineverdie/src/core/model/class_traits.dart';
 import 'package:asciineverdie/src/core/model/game_state.dart';
 import 'package:asciineverdie/src/core/model/race_traits.dart';
@@ -52,10 +54,6 @@ class _NewCharacterScreenState extends State<NewCharacterScreen> {
   int _wis = 0;
   int _cha = 0;
 
-  // 롤 이력 (Unroll 기능용) - 원본 OldRolls TListBox
-  static const int _maxRollHistory = 20; // 최대 저장 개수
-  final List<int> _rollHistory = [];
-
   // 현재 RNG 시드 (Re-Roll 전 저장)
   int _currentSeed = 0;
 
@@ -68,10 +66,19 @@ class _NewCharacterScreenState extends State<NewCharacterScreen> {
   // 굴리기 버튼 연속 클릭 방지
   bool _isRolling = false;
 
+  // 굴리기/되돌리기 서비스
+  final CharacterRollService _rollService = CharacterRollService.instance;
+
+  // 서비스 초기화 완료 여부
+  bool _isServiceInitialized = false;
+
   @override
   void initState() {
     super.initState();
 
+    // 서비스 초기화
+    _initializeService();
+
     // 초기 랜덤화
     final random = math.Random();
     _selectedRaceIndex = random.nextInt(_races.length);
@@ -89,6 +96,16 @@ class _NewCharacterScreenState extends State<NewCharacterScreen> {
     _scrollToSelectedItems();
   }
 
+  /// 서비스 초기화
+  Future<void> _initializeService() async {
+    await _rollService.initialize();
+    if (mounted) {
+      setState(() {
+        _isServiceInitialized = true;
+      });
+    }
+  }
+
   @override
   void dispose() {
     _nameController.dispose();
@@ -144,12 +161,35 @@ class _NewCharacterScreenState extends State<NewCharacterScreen> {
     if (_isRolling) return;
     _isRolling = true;
 
-    // 현재 시드를 이력에 저장
-    _rollHistory.insert(0, _currentSeed);
+    // 굴리기 가능 여부 확인
+    if (!_rollService.canRoll) {
+      _isRolling = false;
+      _showRechargeDialog();
+      return;
+    }
 
-    // 최대 개수 초과 시 가장 오래된 항목 제거
-    if (_rollHistory.length > _maxRollHistory) {
-      _rollHistory.removeLast();
+    // 현재 상태를 서비스에 저장
+    final currentStats = Stats(
+      str: _str,
+      con: _con,
+      dex: _dex,
+      intelligence: _int,
+      wis: _wis,
+      cha: _cha,
+      hpMax: 0,
+      mpMax: 0,
+    );
+
+    final success = _rollService.roll(
+      currentStats: currentStats,
+      currentRaceIndex: _selectedRaceIndex,
+      currentKlassIndex: _selectedKlassIndex,
+      currentSeed: _currentSeed,
+    );
+
+    if (!success) {
+      _isRolling = false;
+      return;
     }
 
     // 새 시드로 굴림
@@ -173,14 +213,103 @@ class _NewCharacterScreenState extends State<NewCharacterScreen> {
     });
   }
 
-  /// Unroll 버튼 클릭 (이전 롤로 복원)
-  void _onUnroll() {
-    if (_rollHistory.isEmpty) return;
+  /// 굴리기 충전 다이얼로그
+  Future<void> _showRechargeDialog() async {
+    final isPaidUser = IAPService.instance.isAdRemovalPurchased;
 
-    setState(() {
-      _currentSeed = _rollHistory.removeAt(0);
-    });
-    _rollStats();
+    final result = await showDialog<bool>(
+      context: context,
+      builder: (context) => AlertDialog(
+        backgroundColor: RetroColors.panelBg,
+        title: const Text(
+          'RECHARGE ROLLS',
+          style: TextStyle(
+            fontFamily: 'PressStart2P',
+            fontSize: 14,
+            color: RetroColors.gold,
+          ),
+        ),
+        content: Text(
+          isPaidUser
+              ? 'Recharge 5 rolls for free?'
+              : 'Watch an ad to recharge 5 rolls?',
+          style: const TextStyle(
+            fontFamily: 'PressStart2P',
+            fontSize: 12,
+            color: RetroColors.textLight,
+          ),
+        ),
+        actions: [
+          TextButton(
+            onPressed: () => Navigator.pop(context, false),
+            child: const Text(
+              'CANCEL',
+              style: TextStyle(
+                fontFamily: 'PressStart2P',
+                fontSize: 11,
+                color: RetroColors.textDisabled,
+              ),
+            ),
+          ),
+          TextButton(
+            onPressed: () => Navigator.pop(context, true),
+            child: Row(
+              mainAxisSize: MainAxisSize.min,
+              children: [
+                if (!isPaidUser) ...[
+                  const Icon(Icons.play_circle, size: 14, color: RetroColors.gold),
+                  const SizedBox(width: 4),
+                ],
+                const Text(
+                  'RECHARGE',
+                  style: TextStyle(
+                    fontFamily: 'PressStart2P',
+                    fontSize: 11,
+                    color: RetroColors.gold,
+                  ),
+                ),
+              ],
+            ),
+          ),
+        ],
+      ),
+    );
+
+    if (result == true && mounted) {
+      final success = await _rollService.rechargeRollsWithAd();
+      if (success && mounted) {
+        setState(() {});
+      }
+    }
+  }
+
+  /// Unroll 버튼 클릭 (이전 롤로 복원)
+  Future<void> _onUnroll() async {
+    if (!_rollService.canUndo) return;
+
+    final isPaidUser = IAPService.instance.isAdRemovalPurchased;
+    RollSnapshot? snapshot;
+
+    if (isPaidUser) {
+      snapshot = _rollService.undoPaidUser();
+    } else {
+      snapshot = await _rollService.undoFreeUser();
+    }
+
+    if (snapshot != null && mounted) {
+      setState(() {
+        _str = snapshot!.stats.str;
+        _con = snapshot.stats.con;
+        _dex = snapshot.stats.dex;
+        _int = snapshot.stats.intelligence;
+        _wis = snapshot.stats.wis;
+        _cha = snapshot.stats.cha;
+        _selectedRaceIndex = snapshot.raceIndex;
+        _selectedKlassIndex = snapshot.klassIndex;
+        _currentSeed = snapshot.seed;
+      });
+      _scrollToSelectedItems();
+    }
   }
 
   /// 이름 생성 버튼 클릭
@@ -266,6 +395,9 @@ class _NewCharacterScreenState extends State<NewCharacterScreen> {
       queue: QueueState.empty(),
     );
 
+    // 캐릭터 생성 완료 알림 (되돌리기 상태 초기화)
+    _rollService.onCharacterCreated();
+
     widget.onCharacterCreated?.call(initialState, testMode: _cheatsEnabled);
   }
 
@@ -493,34 +625,27 @@ class _NewCharacterScreenState extends State<NewCharacterScreen> {
           Row(
             mainAxisAlignment: MainAxisAlignment.center,
             children: [
-              RetroTextButton(
-                text: l10n.unroll,
-                icon: Icons.undo,
-                onPressed: _rollHistory.isEmpty ? null : _onUnroll,
-                isPrimary: false,
-              ),
+              _buildUndoButton(l10n),
               const SizedBox(width: 16),
-              RetroTextButton(
-                text: l10n.roll,
-                icon: Icons.casino,
-                onPressed: _onReroll,
-              ),
+              _buildRollButton(l10n),
             ],
           ),
-          if (_rollHistory.isNotEmpty)
-            Padding(
-              padding: const EdgeInsets.only(top: 8),
-              child: Center(
-                child: Text(
-                  game_l10n.uiRollHistory(_rollHistory.length),
-                  style: const TextStyle(
-                    fontFamily: 'PressStart2P',
-                    fontSize: 13,
-                    color: RetroColors.textDisabled,
-                  ),
+          // 남은 횟수 표시
+          Padding(
+            padding: const EdgeInsets.only(top: 8),
+            child: Center(
+              child: Text(
+                _rollService.canUndo
+                    ? 'Undo: ${_rollService.availableUndos}  |  Rolls: ${_rollService.rollsRemaining}/5'
+                    : 'Rolls: ${_rollService.rollsRemaining}/5',
+                style: const TextStyle(
+                  fontFamily: 'PressStart2P',
+                  fontSize: 11,
+                  color: RetroColors.textDisabled,
                 ),
               ),
             ),
+          ),
         ],
       ),
     );
@@ -790,4 +915,96 @@ class _NewCharacterScreenState extends State<NewCharacterScreen> {
       ClassPassiveType.firstStrikeBonus => passive.description,
     };
   }
+
+  // ===========================================================================
+  // 굴리기/되돌리기 버튼 위젯
+  // ===========================================================================
+
+  /// 되돌리기 버튼
+  Widget _buildUndoButton(L10n l10n) {
+    final canUndo = _rollService.canUndo;
+    final isPaidUser = IAPService.instance.isAdRemovalPurchased;
+
+    return GestureDetector(
+      onTap: canUndo ? _onUnroll : null,
+      child: Container(
+        padding: const EdgeInsets.symmetric(horizontal: 12, vertical: 8),
+        decoration: BoxDecoration(
+          color: canUndo
+              ? RetroColors.panelBgLight
+              : RetroColors.panelBg.withValues(alpha: 0.5),
+          border: Border.all(
+            color: canUndo ? RetroColors.panelBorderInner : RetroColors.panelBg,
+            width: 2,
+          ),
+        ),
+        child: Row(
+          mainAxisSize: MainAxisSize.min,
+          children: [
+            // 무료 유저는 광고 아이콘 표시
+            if (!isPaidUser && canUndo) ...[
+              const Icon(
+                Icons.play_circle,
+                size: 14,
+                color: RetroColors.gold,
+              ),
+              const SizedBox(width: 4),
+            ],
+            Icon(
+              Icons.undo,
+              size: 14,
+              color: canUndo ? RetroColors.textLight : RetroColors.textDisabled,
+            ),
+            const SizedBox(width: 4),
+            Text(
+              l10n.unroll.toUpperCase(),
+              style: TextStyle(
+                fontFamily: 'PressStart2P',
+                fontSize: 11,
+                color: canUndo ? RetroColors.textLight : RetroColors.textDisabled,
+              ),
+            ),
+          ],
+        ),
+      ),
+    );
+  }
+
+  /// 굴리기 버튼
+  Widget _buildRollButton(L10n l10n) {
+    final canRoll = _rollService.canRoll;
+
+    return GestureDetector(
+      onTap: _onReroll,
+      child: Container(
+        padding: const EdgeInsets.symmetric(horizontal: 12, vertical: 8),
+        decoration: BoxDecoration(
+          color: RetroColors.panelBgLight,
+          border: Border.all(color: RetroColors.gold, width: 2),
+        ),
+        child: Row(
+          mainAxisSize: MainAxisSize.min,
+          children: [
+            // 0회일 때 광고 아이콘 표시
+            if (!canRoll) ...[
+              const Icon(Icons.play_circle, size: 14, color: RetroColors.gold),
+              const SizedBox(width: 4),
+            ],
+            const Icon(Icons.casino, size: 14, color: RetroColors.gold),
+            const SizedBox(width: 4),
+            Text(
+              canRoll
+                  ? '${l10n.roll.toUpperCase()} (${_rollService.rollsRemaining})'
+                  : l10n.roll.toUpperCase(),
+              style: const TextStyle(
+                fontFamily: 'PressStart2P',
+                fontSize: 11,
+                color: RetroColors.gold,
+              ),
+            ),
+          ],
+        ),
+      ),
+    );
+  }
 }

lib/src/features/settings/settings_screen.dart

@@ -2,6 +2,7 @@ import 'package:flutter/foundation.dart';
 import 'package:flutter/material.dart';
 
 import 'package:asciineverdie/data/game_text_l10n.dart' as game_l10n;
+import 'package:asciineverdie/src/core/engine/debug_settings_service.dart';
 import 'package:asciineverdie/src/core/storage/settings_repository.dart';
 
 /// 통합 설정 화면
@@ -75,9 +76,13 @@ class SettingsScreen extends StatefulWidget {
 class _SettingsScreenState extends State<SettingsScreen> {
   double _bgmVolume = 0.7;
   double _sfxVolume = 0.8;
-  double _animationSpeed = 1.0;
   bool _isLoading = true;
 
+  // 디버그 설정 상태 (Phase 8)
+  bool _debugAdEnabled = true;
+  bool _debugIapSimulated = false;
+  int _debugOfflineHours = 0;
+
   @override
   void initState() {
     super.initState();
@@ -87,13 +92,20 @@ class _SettingsScreenState extends State<SettingsScreen> {
   Future<void> _loadSettings() async {
     final bgm = await widget.settingsRepository.loadBgmVolume();
     final sfx = await widget.settingsRepository.loadSfxVolume();
-    final speed = await widget.settingsRepository.loadAnimationSpeed();
+
+    // 디버그 설정 로드 (Phase 8)
+    final debugSettings = DebugSettingsService.instance;
+    final adEnabled = debugSettings.adEnabled;
+    final iapSimulated = debugSettings.iapSimulated;
+    final offlineHours = debugSettings.offlineHours;
 
     if (mounted) {
       setState(() {
         _bgmVolume = bgm;
         _sfxVolume = sfx;
-        _animationSpeed = speed;
+        _debugAdEnabled = adEnabled;
+        _debugIapSimulated = iapSimulated;
+        _debugOfflineHours = offlineHours;
         _isLoading = false;
       });
     }
@@ -181,17 +193,12 @@ class _SettingsScreenState extends State<SettingsScreen> {
                 ),
                 const SizedBox(height: 24),
 
-                // 애니메이션 속도
-                _buildSectionTitle(game_l10n.uiAnimationSpeed),
-                _buildAnimationSpeedSlider(),
-                const SizedBox(height: 24),
-
                 // 정보
                 _buildSectionTitle(game_l10n.uiAbout),
                 _buildAboutCard(),
 
                 // 디버그 섹션 (디버그 모드에서만 표시)
-                if (kDebugMode && widget.onCreateTestCharacter != null) ...[
+                if (kDebugMode) ...[
                   const SizedBox(height: 24),
                   _buildSectionTitle('Debug'),
                   _buildDebugSection(),
@@ -205,52 +212,171 @@ class _SettingsScreenState extends State<SettingsScreen> {
   }
 
   Widget _buildDebugSection() {
+    final theme = Theme.of(context);
+    final errorColor = theme.colorScheme.error;
+
     return Card(
-      color: Theme.of(
-        context,
-      ).colorScheme.errorContainer.withValues(alpha: 0.3),
+      color: theme.colorScheme.errorContainer.withValues(alpha: 0.3),
       child: Padding(
         padding: const EdgeInsets.all(16),
         child: Column(
           crossAxisAlignment: CrossAxisAlignment.start,
           children: [
+            // 헤더
             Row(
               children: [
-                Icon(
-                  Icons.bug_report,
-                  color: Theme.of(context).colorScheme.error,
-                ),
+                Icon(Icons.bug_report, color: errorColor),
                 const SizedBox(width: 8),
                 Text(
                   'Developer Tools',
-                  style: Theme.of(context).textTheme.titleSmall?.copyWith(
-                    color: Theme.of(context).colorScheme.error,
-                  ),
+                  style: theme.textTheme.titleSmall?.copyWith(color: errorColor),
                 ),
               ],
             ),
-            const SizedBox(height: 12),
-            Text(
-              '현재 캐릭터를 레벨 100으로 수정하여 명예의 전당에 등록합니다. '
-              '등록 후 현재 세이브 파일이 삭제됩니다.',
-              style: Theme.of(context).textTheme.bodySmall,
+            const SizedBox(height: 16),
+
+            // 광고 ON/OFF 토글
+            _buildDebugToggle(
+              icon: Icons.ad_units,
+              label: 'Ads Enabled',
+              description: 'OFF: 광고 버튼 클릭 시 바로 보상',
+              value: _debugAdEnabled,
+              onChanged: (value) async {
+                await DebugSettingsService.instance.setAdEnabled(value);
+                setState(() => _debugAdEnabled = value);
+              },
             ),
             const SizedBox(height: 12),
-            SizedBox(
-              width: double.infinity,
-              child: ElevatedButton.icon(
-                onPressed: _handleCreateTestCharacter,
-                icon: const Icon(Icons.science),
-                label: const Text('Create Test Character'),
-                style: ElevatedButton.styleFrom(
-                  backgroundColor: Theme.of(context).colorScheme.error,
-                  foregroundColor: Theme.of(context).colorScheme.onError,
+
+            // IAP 시뮬레이션 토글
+            _buildDebugToggle(
+              icon: Icons.shopping_cart,
+              label: 'IAP Purchased',
+              description: 'ON: 유료 유저로 동작 (광고 제거)',
+              value: _debugIapSimulated,
+              onChanged: (value) async {
+                await DebugSettingsService.instance.setIapSimulated(value);
+                setState(() => _debugIapSimulated = value);
+              },
+            ),
+            const SizedBox(height: 12),
+
+            // 오프라인 시간 시뮬레이션
+            _buildOfflineHoursSelector(),
+            const SizedBox(height: 16),
+
+            // 구분선
+            Divider(color: errorColor.withValues(alpha: 0.3)),
+            const SizedBox(height: 12),
+
+            // 테스트 캐릭터 생성
+            if (widget.onCreateTestCharacter != null) ...[
+              Text(
+                '현재 캐릭터를 레벨 100으로 수정하여 명예의 전당에 등록합니다. '
+                '등록 후 현재 세이브 파일이 삭제됩니다.',
+                style: theme.textTheme.bodySmall,
+              ),
+              const SizedBox(height: 12),
+              SizedBox(
+                width: double.infinity,
+                child: ElevatedButton.icon(
+                  onPressed: _handleCreateTestCharacter,
+                  icon: const Icon(Icons.science),
+                  label: const Text('Create Test Character'),
+                  style: ElevatedButton.styleFrom(
+                    backgroundColor: errorColor,
+                    foregroundColor: theme.colorScheme.onError,
+                  ),
                 ),
               ),
+            ],
+          ],
+        ),
+      ),
+    );
+  }
+
+  /// 디버그 토글 위젯
+  Widget _buildDebugToggle({
+    required IconData icon,
+    required String label,
+    required String description,
+    required bool value,
+    required void Function(bool) onChanged,
+  }) {
+    final theme = Theme.of(context);
+
+    return Row(
+      children: [
+        Icon(icon, size: 20, color: theme.colorScheme.onSurface),
+        const SizedBox(width: 12),
+        Expanded(
+          child: Column(
+            crossAxisAlignment: CrossAxisAlignment.start,
+            children: [
+              Text(label, style: theme.textTheme.bodyMedium),
+              Text(
+                description,
+                style: theme.textTheme.bodySmall?.copyWith(
+                  color: theme.colorScheme.outline,
+                ),
+              ),
+            ],
+          ),
+        ),
+        Switch(value: value, onChanged: onChanged),
+      ],
+    );
+  }
+
+  /// 오프라인 시간 시뮬레이션 선택기
+  Widget _buildOfflineHoursSelector() {
+    final theme = Theme.of(context);
+    final options = DebugSettingsService.offlineHoursOptions;
+
+    return Column(
+      crossAxisAlignment: CrossAxisAlignment.start,
+      children: [
+        Row(
+          children: [
+            Icon(Icons.timer, size: 20, color: theme.colorScheme.onSurface),
+            const SizedBox(width: 12),
+            Expanded(
+              child: Column(
+                crossAxisAlignment: CrossAxisAlignment.start,
+                children: [
+                  Text('Offline Hours Simulation', style: theme.textTheme.bodyMedium),
+                  Text(
+                    '복귀 보상 테스트용 (게임 재시작 시 적용)',
+                    style: theme.textTheme.bodySmall?.copyWith(
+                      color: theme.colorScheme.outline,
+                    ),
+                  ),
+                ],
+              ),
             ),
           ],
         ),
-      ),
+        const SizedBox(height: 8),
+        Wrap(
+          spacing: 8,
+          children: options.map((hours) {
+            final isSelected = _debugOfflineHours == hours;
+            final label = hours == 0 ? 'OFF' : '${hours}h';
+
+            return ChoiceChip(
+              label: Text(label),
+              selected: isSelected,
+              onSelected: (selected) async {
+                if (selected) {
+                  await DebugSettingsService.instance.setOfflineHours(hours);
+                  setState(() => _debugOfflineHours = hours);
+                }
+              },
+            );
+          }).toList(),
+        ),
+      ],
     );
   }
 
@@ -445,51 +571,6 @@ class _SettingsScreenState extends State<SettingsScreen> {
     );
   }
 
-  Widget _buildAnimationSpeedSlider() {
-    final theme = Theme.of(context);
-    final speedLabel = switch (_animationSpeed) {
-      <= 0.6 => game_l10n.uiSpeedSlow,
-      >= 1.4 => game_l10n.uiSpeedFast,
-      _ => game_l10n.uiSpeedNormal,
-    };
-
-    return Card(
-      child: Padding(
-        padding: const EdgeInsets.symmetric(horizontal: 16, vertical: 8),
-        child: Row(
-          children: [
-            Icon(Icons.speed, color: theme.colorScheme.primary),
-            const SizedBox(width: 12),
-            Expanded(
-              child: Column(
-                crossAxisAlignment: CrossAxisAlignment.start,
-                children: [
-                  Row(
-                    mainAxisAlignment: MainAxisAlignment.spaceBetween,
-                    children: [
-                      Text(game_l10n.uiAnimationSpeed),
-                      Text(speedLabel),
-                    ],
-                  ),
-                  Slider(
-                    value: _animationSpeed,
-                    min: 0.5,
-                    max: 2.0,
-                    divisions: 6,
-                    onChanged: (value) {
-                      setState(() => _animationSpeed = value);
-                      widget.settingsRepository.saveAnimationSpeed(value);
-                    },
-                  ),
-                ],
-              ),
-            ),
-          ],
-        ),
-      ),
-    );
-  }
-
   Widget _buildAboutCard() {
     return Card(
       child: Padding(

macos/Flutter/GeneratedPluginRegistrant.swift

@@ -6,13 +6,17 @@ import FlutterMacOS
 import Foundation
 
 import audio_session
+import in_app_purchase_storekit
 import just_audio
 import path_provider_foundation
 import shared_preferences_foundation
+import webview_flutter_wkwebview
 
 func RegisterGeneratedPlugins(registry: FlutterPluginRegistry) {
   AudioSessionPlugin.register(with: registry.registrar(forPlugin: "AudioSessionPlugin"))
+  InAppPurchasePlugin.register(with: registry.registrar(forPlugin: "InAppPurchasePlugin"))
   JustAudioPlugin.register(with: registry.registrar(forPlugin: "JustAudioPlugin"))
   PathProviderPlugin.register(with: registry.registrar(forPlugin: "PathProviderPlugin"))
   SharedPreferencesPlugin.register(with: registry.registrar(forPlugin: "SharedPreferencesPlugin"))
+  WebViewFlutterPlugin.register(with: registry.registrar(forPlugin: "WebViewFlutterPlugin"))
 }

macos/Podfile.lock

@@ -2,6 +2,9 @@ PODS:
   - audio_session (0.0.1):
     - FlutterMacOS
   - FlutterMacOS (1.0.0)
+  - in_app_purchase_storekit (0.0.1):
+    - Flutter
+    - FlutterMacOS
   - just_audio (0.0.1):
     - Flutter
     - FlutterMacOS
@@ -11,32 +14,43 @@ PODS:
   - shared_preferences_foundation (0.0.1):
     - Flutter
     - FlutterMacOS
+  - webview_flutter_wkwebview (0.0.1):
+    - Flutter
+    - FlutterMacOS
 
 DEPENDENCIES:
   - audio_session (from `Flutter/ephemeral/.symlinks/plugins/audio_session/macos`)
   - FlutterMacOS (from `Flutter/ephemeral`)
+  - in_app_purchase_storekit (from `Flutter/ephemeral/.symlinks/plugins/in_app_purchase_storekit/darwin`)
   - just_audio (from `Flutter/ephemeral/.symlinks/plugins/just_audio/darwin`)
   - path_provider_foundation (from `Flutter/ephemeral/.symlinks/plugins/path_provider_foundation/darwin`)
   - shared_preferences_foundation (from `Flutter/ephemeral/.symlinks/plugins/shared_preferences_foundation/darwin`)
+  - webview_flutter_wkwebview (from `Flutter/ephemeral/.symlinks/plugins/webview_flutter_wkwebview/darwin`)
 
 EXTERNAL SOURCES:
   audio_session:
     :path: Flutter/ephemeral/.symlinks/plugins/audio_session/macos
   FlutterMacOS:
     :path: Flutter/ephemeral
+  in_app_purchase_storekit:
+    :path: Flutter/ephemeral/.symlinks/plugins/in_app_purchase_storekit/darwin
   just_audio:
     :path: Flutter/ephemeral/.symlinks/plugins/just_audio/darwin
   path_provider_foundation:
     :path: Flutter/ephemeral/.symlinks/plugins/path_provider_foundation/darwin
   shared_preferences_foundation:
     :path: Flutter/ephemeral/.symlinks/plugins/shared_preferences_foundation/darwin
+  webview_flutter_wkwebview:
+    :path: Flutter/ephemeral/.symlinks/plugins/webview_flutter_wkwebview/darwin
 
 SPEC CHECKSUMS:
   audio_session: 728ae3823d914f809c485d390274861a24b0904e
   FlutterMacOS: d0db08ddef1a9af05a5ec4b724367152bb0500b1
+  in_app_purchase_storekit: 2342c0a5da86593124d08dd13d920f39a52b273a
   just_audio: a42c63806f16995daf5b219ae1d679deb76e6a79
   path_provider_foundation: 0b743cbb62d8e47eab856f09262bb8c1ddcfe6ba
   shared_preferences_foundation: 5086985c1d43c5ba4d5e69a4e8083a389e2909e6
+  webview_flutter_wkwebview: 29eb20d43355b48fe7d07113835b9128f84e3af4
 
 PODFILE CHECKSUM: 54d867c82ac51cbd61b565781b9fada492027009
 

pubspec.lock

@@ -301,6 +301,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "2.1.3"
+  google_mobile_ads:
+    dependency: "direct main"
+    description:
+      name: google_mobile_ads
+      sha256: "0d4a3744b5e8ed1b8be6a1b452d309f811688855a497c6113fc4400f922db603"
+      url: "https://pub.dev"
+    source: hosted
+    version: "5.3.1"
   graphs:
     dependency: transitive
     description:
@@ -341,6 +349,38 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "4.7.2"
+  in_app_purchase:
+    dependency: "direct main"
+    description:
+      name: in_app_purchase
+      sha256: "5cddd7f463f3bddb1d37a72b95066e840d5822d66291331d7f8f05ce32c24b6c"
+      url: "https://pub.dev"
+    source: hosted
+    version: "3.2.3"
+  in_app_purchase_android:
+    dependency: transitive
+    description:
+      name: in_app_purchase_android
+      sha256: abb254ae159a5a9d4f867795ecb076864faeba59ce015ab81d4cca380f23df45
+      url: "https://pub.dev"
+    source: hosted
+    version: "0.4.0+8"
+  in_app_purchase_platform_interface:
+    dependency: transitive
+    description:
+      name: in_app_purchase_platform_interface
+      sha256: "1d353d38251da5b9fea6635c0ebfc6bb17a2d28d0e86ea5e083bf64244f1fb4c"
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.4.0"
+  in_app_purchase_storekit:
+    dependency: transitive
+    description:
+      name: in_app_purchase_storekit
+      sha256: f7cbbd7fb47ab5a4fb736fc3f20ae81a4f6def0af9297b3c525ca727761e2589
+      url: "https://pub.dev"
+    source: hosted
+    version: "0.4.7"
   intl:
     dependency: "direct main"
     description:
@@ -834,6 +874,38 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "3.0.3"
+  webview_flutter:
+    dependency: transitive
+    description:
+      name: webview_flutter
+      sha256: a3da219916aba44947d3a5478b1927876a09781174b5a2b67fa5be0555154bf9
+      url: "https://pub.dev"
+    source: hosted
+    version: "4.13.1"
+  webview_flutter_android:
+    dependency: transitive
+    description:
+      name: webview_flutter_android
+      sha256: eeeb3fcd5f0ff9f8446c9f4bbc18a99b809e40297528a3395597d03aafb9f510
+      url: "https://pub.dev"
+    source: hosted
+    version: "4.10.11"
+  webview_flutter_platform_interface:
+    dependency: transitive
+    description:
+      name: webview_flutter_platform_interface
+      sha256: "63d26ee3aca7256a83ccb576a50272edd7cfc80573a4305caa98985feb493ee0"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.14.0"
+  webview_flutter_wkwebview:
+    dependency: transitive
+    description:
+      name: webview_flutter_wkwebview
+      sha256: e49f378ed066efb13fc36186bbe0bd2425630d4ea0dbc71a18fdd0e4d8ed8ebc
+      url: "https://pub.dev"
+    source: hosted
+    version: "3.23.5"
   xdg_directories:
     dependency: transitive
     description:

pubspec.yaml

@@ -41,6 +41,10 @@ dependencies:
   # Code generation annotations
   freezed_annotation: ^2.4.1
   json_annotation: ^4.9.0
+  # AdMob 광고
+  google_mobile_ads: ^5.3.0
+  # IAP (인앱 결제)
+  in_app_purchase: ^3.2.0
 
 dev_dependencies:
   flutter_test:

test/features/game_session_controller_test.dart

@@ -80,7 +80,7 @@ void main() {
   test('loadAndStart surfaces save load errors', () {
     fakeAsync((async) {
       final saveManager = FakeSaveManager()
-        ..onLoad = (_) => (const SaveOutcome.failure('boom'), null, false);
+        ..onLoad = (_) => (const SaveOutcome.failure('boom'), null, false, null);
       final controller = buildController(async, saveManager);
 
       controller.loadAndStart(fileName: 'bad.pqf');

test/helpers/mock_factories.dart

@@ -4,6 +4,7 @@ import 'package:asciineverdie/src/core/engine/reward_service.dart';
 import 'package:asciineverdie/src/core/model/combat_state.dart';
 import 'package:asciineverdie/src/core/model/combat_stats.dart';
 import 'package:asciineverdie/src/core/model/game_state.dart';
+import 'package:asciineverdie/src/core/model/monetization_state.dart';
 import 'package:asciineverdie/src/core/model/monster_combat_stats.dart';
 import 'package:asciineverdie/src/core/model/pq_config.dart';
 import 'package:asciineverdie/src/core/storage/save_manager.dart';
@@ -23,7 +24,7 @@ class FakeSaveManager implements SaveManager {
   final List<GameState> savedStates = [];
 
   /// 커스텀 로드 동작 설정
-  (SaveOutcome, GameState?, bool) Function(String?)? onLoad;
+  (SaveOutcome, GameState?, bool, MonetizationState?) Function(String?)? onLoad;
 
   /// 저장 결과 설정 (기본: 성공)
   SaveOutcome saveOutcome = const SaveOutcome.success();
@@ -33,17 +34,20 @@ class FakeSaveManager implements SaveManager {
     GameState state, {
     String? fileName,
     bool cheatsEnabled = false,
+    MonetizationState? monetization,
   }) async {
     savedStates.add(state);
     return saveOutcome;
   }
 
   @override
-  Future<(SaveOutcome, GameState?, bool)> loadState({String? fileName}) async {
+  Future<(SaveOutcome, GameState?, bool, MonetizationState?)> loadState({
+    String? fileName,
+  }) async {
     if (onLoad != null) {
       return onLoad!(fileName);
     }
-    return (const SaveOutcome.success(), null, false);
+    return (const SaveOutcome.success(), null, false, null);
   }
 
   @override