diff --git a/lib/application/game_codes/game_codes_bloc.dart b/lib/application/game_codes/game_codes_bloc.dart
index 252dad245..61fc30dfe 100644
--- a/lib/application/game_codes/game_codes_bloc.dart
+++ b/lib/application/game_codes/game_codes_bloc.dart
@@ -4,6 +4,8 @@ import 'package:bloc/bloc.dart';
 import 'package:freezed_annotation/freezed_annotation.dart';
 import 'package:genshindb/domain/models/models.dart';
 import 'package:genshindb/domain/services/data_service.dart';
+import 'package:genshindb/domain/services/game_code_service.dart';
+import 'package:genshindb/domain/services/network_service.dart';
 import 'package:genshindb/domain/services/telemetry_service.dart';
 import 'package:meta/meta.dart';
 
@@ -16,12 +18,29 @@ const _initialState = GameCodesState.loaded(workingGameCodes: [], expiredGameCod
 class GameCodesBloc extends Bloc<GameCodesEvent, GameCodesState> {
   final DataService _dataService;
   final TelemetryService _telemetryService;
+  final GameCodeService _gameCodeService;
+  final NetworkService _networkService;
 
-  GameCodesBloc(this._dataService, this._telemetryService) : super(_initialState);
+  GameCodesBloc(this._dataService, this._telemetryService, this._gameCodeService, this._networkService) : super(_initialState);
 
   @override
   Stream<GameCodesState> mapEventToState(GameCodesEvent event) async* {
-    final s = await event.when(
+    if (event is _Refresh) {
+      final isInternetAvailable = await _networkService.isInternetAvailable();
+      if (!isInternetAvailable) {
+        yield state.copyWith.call(isInternetAvailable: false);
+        yield state.copyWith.call(isInternetAvailable: null);
+        return;
+      }
+      yield _initialState.copyWith.call(isBusy: true, workingGameCodes: [], expiredGameCodes: []);
+      final gameCodes = await _gameCodeService.getAllGameCodes();
+      await _dataService.saveGameCodes(gameCodes);
+
+      add(const GameCodesEvent.init());
+      return;
+    }
+
+    final s = await event.maybeWhen(
       init: () async {
         await _telemetryService.trackGameCodesOpened();
         return _buildInitialState();
@@ -31,6 +50,7 @@ class GameCodesBloc extends Bloc<GameCodesEvent, GameCodesState> {
         return _buildInitialState();
       },
       close: () async => _initialState,
+      orElse: () async => _initialState,
     );
 
     yield s;
diff --git a/lib/application/game_codes/game_codes_event.dart b/lib/application/game_codes/game_codes_event.dart
index 272d05601..cf6cc1b3e 100644
--- a/lib/application/game_codes/game_codes_event.dart
+++ b/lib/application/game_codes/game_codes_event.dart
@@ -9,5 +9,7 @@ abstract class GameCodesEvent with _$GameCodesEvent {
     @required bool wasUsed,
   }) = _MarkAsUsed;
 
+  const factory GameCodesEvent.refresh() = _Refresh;
+
   const factory GameCodesEvent.close() = _Close;
 }
diff --git a/lib/application/game_codes/game_codes_state.dart b/lib/application/game_codes/game_codes_state.dart
index d1110c109..411fd8396 100644
--- a/lib/application/game_codes/game_codes_state.dart
+++ b/lib/application/game_codes/game_codes_state.dart
@@ -5,5 +5,7 @@ abstract class GameCodesState with _$GameCodesState {
   const factory GameCodesState.loaded({
     @required List<GameCodeModel> workingGameCodes,
     @required List<GameCodeModel> expiredGameCodes,
+    @Default(false) bool isBusy,
+    bool isInternetAvailable,
   }) = _Loaded;
 }
diff --git a/lib/domain/assets.dart b/lib/domain/assets.dart
index ef6b4052d..e059b4e85 100644
--- a/lib/domain/assets.dart
+++ b/lib/domain/assets.dart
@@ -8,7 +8,6 @@ class Assets {
   static String artifactsDbPath = '$dbPath/artifacts.json';
   static String materialsDbPath = '$dbPath/materials.json';
   static String elementsDbPath = '$dbPath/elements.json';
-  static String gameCodesDbPath = '$dbPath/game_codes.json';
   static String monstersDbPath = '$dbPath/monsters.json';
   static String translationsBasePath = 'assets/i18n';
 
@@ -44,6 +43,7 @@ class Assets {
 
   //Others
   static String otherImgsBasePath = 'assets/others';
+  static String noImageAvailablePath = '$othersBasePath/$noImageAvailableName';
 
   //Monsters
   static String monstersImgsBasePath = 'assets/monsters';
diff --git a/lib/domain/services/data_service.dart b/lib/domain/services/data_service.dart
index 02b10b502..d2419a8aa 100644
--- a/lib/domain/services/data_service.dart
+++ b/lib/domain/services/data_service.dart
@@ -68,7 +68,11 @@ abstract class DataService {
 
   List<GameCodeModel> getAllGameCodes();
 
-  List<String> getAllUsedGameCodes();
+  Future<void> saveGameCodes(List<GameCodeModel> items);
+
+  Future<void> saveGameCodeRewards(int gameCodeKey, List<ItemAscensionMaterialModel> rewards);
+
+  Future<void> deleteAllGameCodeRewards(int gameCodeKey);
 
   Future<void> markCodeAsUsed(String code, {bool wasUsed = true});
 
diff --git a/lib/domain/services/game_code_service.dart b/lib/domain/services/game_code_service.dart
new file mode 100644
index 000000000..6396d4c6c
--- /dev/null
+++ b/lib/domain/services/game_code_service.dart
@@ -0,0 +1,5 @@
+import 'package:genshindb/domain/models/models.dart';
+
+abstract class GameCodeService {
+  Future<List<GameCodeModel>> getAllGameCodes();
+}
diff --git a/lib/domain/services/genshin_service.dart b/lib/domain/services/genshin_service.dart
index f8ebdd19b..9ba9b3c99 100644
--- a/lib/domain/services/genshin_service.dart
+++ b/lib/domain/services/genshin_service.dart
@@ -8,7 +8,6 @@ abstract class GenshinService {
   Future<void> initArtifacts();
   Future<void> initMaterials();
   Future<void> initElements();
-  Future<void> initGameCodes();
   Future<void> initMonsters();
   Future<void> initTranslations(AppLanguageType languageType);
 
@@ -60,8 +59,6 @@ abstract class GenshinService {
   int getServerDay(AppServerResetTimeType type);
   DateTime getServerDate(AppServerResetTimeType type);
 
-  List<GameCodeFileModel> getAllGameCodes();
-
   List<String> getUpcomingKeys();
 
   MonsterFileModel getMonster(String key);
diff --git a/lib/domain/utils/date_utils.dart b/lib/domain/utils/date_utils.dart
new file mode 100644
index 000000000..1649fa402
--- /dev/null
+++ b/lib/domain/utils/date_utils.dart
@@ -0,0 +1,25 @@
+import 'package:intl/intl.dart';
+
+class DateUtils {
+  static const String defaultFormat = 'dd/MM/yyyy hh:mm:ss a';
+  static const String twentyFourHoursFormat = 'dd/MM/yyyy HH:mm:ss';
+  static const String dayMonthYearFormat = 'dd/MM/yyyy';
+
+  static String formatDate(
+    DateTime date, {
+    String locale,
+    String format = defaultFormat,
+  }) {
+    if (date == null) {
+      return 'N/A';
+    }
+    final formatter = DateFormat(format, locale);
+    final formatted = formatter.format(date);
+    return formatted;
+  }
+
+  static String formatDateMilitaryTime(DateTime date, {bool useTwentyFourHoursFormat = false}) {
+    final format = useTwentyFourHoursFormat ? twentyFourHoursFormat : defaultFormat;
+    return formatDate(date, format: format);
+  }
+}