diff --git a/assets/db/characters.json b/assets/db/characters.json
index 737749888..b6cf3cb15 100644
--- a/assets/db/characters.json
+++ b/assets/db/characters.json
@@ -7720,6 +7720,25 @@
                 "pyroDmgBonusPercentage",
                 "critRatePercentage"
               ]
+            },
+            {
+              "multiples": [
+                {
+                  "quantity": 2,
+                  "image": "crimson_witch_of_flames_4.png"
+                },
+                {
+                  "quantity": 2,
+                  "image": "noblesse_oblige_4.png"
+                }
+              ],
+              "stats": [
+                "hp",
+                "atk",
+                "hpPercentage",
+                "pyroDmgBonusPercentage",
+                "critRatePercentage"
+              ]
             }
           ],
           "subStatsToFocus": [
diff --git a/assets/db/game_codes.json b/assets/db/game_codes.json
new file mode 100644
index 000000000..a3f530533
--- /dev/null
+++ b/assets/db/game_codes.json
@@ -0,0 +1,399 @@
+{
+  "gameCodes": [
+    {
+      "dateAdded": "03/06/2021",
+      "isExpired": false,
+      "code": "PSNTC8FEQK4D",
+      "rewards": [
+        {
+          "quantity": 100,
+          "materialType": "currency",
+          "image": "primogem.png"
+        },
+        {
+          "quantity": 50000,
+          "materialType": "currency",
+          "image": "mora.png"
+        }
+      ]
+    },
+    {
+      "dateAdded": "03/06/2021",
+      "isExpired": false,
+      "code": "KTNSCQWW922M",
+      "rewards": [
+        {
+          "quantity": 100,
+          "materialType": "currency",
+          "image": "primogem.png"
+        },
+        {
+          "quantity": 10,
+          "materialType": "expWeapon",
+          "image": "mystic_enchancement_ore.png"
+        }
+      ]
+    },
+    {
+      "dateAdded": "03/06/2021",
+      "isExpired": false,
+      "code": "ET7ADQFF8KJR",
+      "rewards": [
+        {
+          "quantity": 100,
+          "materialType": "currency",
+          "image": "primogem.png"
+        },
+        {
+          "quantity": 5,
+          "materialType": "expCharacter",
+          "image": "heros_wit.png"
+        }
+      ]
+    },
+    {
+      "dateAdded": "01/22/2021",
+      "isExpired": true,
+      "code": "jsSK8n23jzr",
+      "rewards": [
+        {
+          "quantity": 100,
+          "materialType": "currency",
+          "image": "primogem.png"
+        },
+        {
+          "quantity": 10,
+          "materialType": "expWeapon",
+          "image": "mystic_enchancement_ore.png"
+        }
+      ]
+    },
+    {
+      "dateAdded": "01/22/2021",
+      "isExpired": true,
+      "code": "du2mhjQL1ZT",
+      "rewards": [
+        {
+          "quantity": 100,
+          "materialType": "currency",
+          "image": "primogem.png"
+        },
+        {
+          "quantity": 50000,
+          "materialType": "currency",
+          "image": "mora.png"
+        }
+      ]
+    },
+    {
+      "dateAdded": "01/22/2021",
+      "isExpired": true,
+      "code": "nBEm3myAL2b",
+      "rewards": [
+        {
+          "quantity": 100,
+          "materialType": "currency",
+          "image": "primogem.png"
+        },
+        {
+          "quantity": 5,
+          "materialType": "expCharacter",
+          "image": "adventurers_experience.png"
+        }
+      ]
+    },
+    {
+      "dateAdded": "01/12/2021",
+      "isExpired": false,
+      "code": "153YuSaenh",
+      "rewards": [
+        {
+          "quantity": 30,
+          "materialType": "currency",
+          "image": "primogem.png"
+        },
+        {
+          "quantity": 5,
+          "materialType": "expCharacter",
+          "image": "adventurers_experience.png"
+        }
+      ]
+    },
+    {
+      "dateAdded": "01/12/2021",
+      "isExpired": true,
+      "code": "Cuupmbjsvd",
+      "rewards": [
+        {
+          "quantity": 50,
+          "materialType": "currency",
+          "image": "primogem.png"
+        }
+      ]
+    },
+    {
+      "dateAdded": "12/24/2020",
+      "isExpired": false,
+      "code": "GSIMPTq125",
+      "rewards": [
+        {
+          "quantity": 60,
+          "materialType": "currency",
+          "image": "primogem.png"
+        },
+        {
+          "quantity": 10000,
+          "materialType": "currency",
+          "image": "mora.png"
+        }
+      ]
+    },
+    {
+      "dateAdded": "12/11/2020",
+      "isExpired": true,
+      "code": "5KVeIbSxDUU",
+      "rewards": [
+        {
+          "quantity": 100,
+          "materialType": "currency",
+          "image": "primogem.png"
+        },
+        {
+          "quantity": 10,
+          "materialType": "expWeapon",
+          "image": "mystic_enchancement_ore.png"
+        }
+      ]
+    },
+    {
+      "dateAdded": "12/11/2020",
+      "isExpired": true,
+      "code": "G3tQq6TOqmE",
+      "rewards": [
+        {
+          "quantity": 100,
+          "materialType": "currency",
+          "image": "primogem.png"
+        },
+        {
+          "quantity": 5,
+          "materialType": "expCharacter",
+          "image": "heros_wit.png"
+        }
+      ]
+    },
+    {
+      "dateAdded": "12/11/2020",
+      "isExpired": true,
+      "code": "eATDgIXLD56",
+      "rewards": [
+        {
+          "quantity": 100,
+          "materialType": "currency",
+          "image": "primogem.png"
+        },
+        {
+          "quantity": 50000,
+          "materialType": "currency",
+          "image": "mora.png"
+        }
+      ]
+    },
+    {
+      "dateAdded": "11/10/2020",
+      "isExpired": false,
+      "code": "GENSHINGIFT",
+      "rewards": [
+        {
+          "quantity": 50,
+          "materialType": "currency",
+          "image": "primogem.png"
+        },
+        {
+          "quantity": 3,
+          "materialType": "expCharacter",
+          "image": "heros_wit.png"
+        }
+      ]
+    },
+    {
+      "dateAdded": null,
+      "isExpired": true,
+      "code": "GOLNXLAKC58",
+      "rewards": [
+        {
+          "quantity": 50,
+          "materialType": "currency",
+          "image": "primogem.png"
+        }
+      ]
+    },
+    {
+      "dateAdded": null,
+      "isExpired": true,
+      "code": "GENSHIN1111",
+      "rewards": [
+        {
+          "quantity": 60,
+          "materialType": "currency",
+          "image": "primogem.png"
+        },
+        {
+          "quantity": 10000,
+          "materialType": "currency",
+          "image": "mora.png"
+        }
+      ]
+    },
+    {
+      "dateAdded": null,
+      "isExpired": true,
+      "code": "GENSHINZHB30",
+      "rewards": [
+        {
+          "quantity": 160,
+          "materialType": "currency",
+          "image": "primogem.png"
+        }
+      ]
+    },
+    {
+      "dateAdded": null,
+      "isExpired": true,
+      "code": "GENSHINMHY0O",
+      "rewards": [
+        {
+          "quantity": 30,
+          "materialType": "currency",
+          "image": "primogem.png"
+        }
+      ]
+    },
+    {
+      "dateAdded": null,
+      "isExpired": true,
+      "code": "GENSHINMHY0M",
+      "rewards": [
+        {
+          "quantity": 30,
+          "materialType": "currency",
+          "image": "primogem.png"
+        }
+      ]
+    },
+    {
+      "dateAdded": null,
+      "isExpired": true,
+      "code": "GENSHINMHY0I",
+      "rewards": [
+        {
+          "quantity": 30,
+          "materialType": "currency",
+          "image": "primogem.png"
+        }
+      ]
+    },
+    {
+      "dateAdded": null,
+      "isExpired": true,
+      "code": "GENSHIN1006U",
+      "rewards": [
+        {
+          "quantity": 30,
+          "materialType": "currency",
+          "image": "primogem.png"
+        },
+        {
+          "quantity": 5,
+          "materialType": "expCharacter",
+          "image": "adventurers_experience.png"
+        }
+      ]
+    },
+    {
+      "dateAdded": null,
+      "isExpired": true,
+      "code": "GENSHIN1006A",
+      "rewards": [
+        {
+          "quantity": 30,
+          "materialType": "currency",
+          "image": "primogem.png"
+        },
+        {
+          "quantity": 5,
+          "materialType": "expCharacter",
+          "image": "adventurers_experience.png"
+        }
+      ]
+    },
+    {
+      "dateAdded": null,
+      "isExpired": true,
+      "code": "GENSHIN1006S",
+      "rewards": [
+        {
+          "quantity": 30,
+          "materialType": "currency",
+          "image": "primogem.png"
+        },
+        {
+          "quantity": 5,
+          "materialType": "expCharacter",
+          "image": "adventurers_experience.png"
+        }
+      ]
+    },
+    {
+      "dateAdded": null,
+      "isExpired": true,
+      "code": "GENSHIN0928E",
+      "rewards": [
+        {
+          "quantity": 60,
+          "materialType": "currency",
+          "image": "primogem.png"
+        },
+        {
+          "quantity": 10000,
+          "materialType": "currency",
+          "image": "mora.png"
+        }
+      ]
+    },
+    {
+      "dateAdded": null,
+      "isExpired": true,
+      "code": "GENSHIN0928N",
+      "rewards": [
+        {
+          "quantity": 60,
+          "materialType": "currency",
+          "image": "primogem.png"
+        },
+        {
+          "quantity": 10000,
+          "materialType": "currency",
+          "image": "mora.png"
+        }
+      ]
+    },
+    {
+      "dateAdded": null,
+      "isExpired": true,
+      "code": "GENSHIN0928A",
+      "rewards": [
+        {
+          "quantity": 60,
+          "materialType": "currency",
+          "image": "primogem.png"
+        },
+        {
+          "quantity": 10000,
+          "materialType": "currency",
+          "image": "mora.png"
+        }
+      ]
+    }
+  ]
+}
\ No newline at end of file
diff --git a/lib/domain/assets.dart b/lib/domain/assets.dart
index 45242110b..5aa2776c3 100644
--- a/lib/domain/assets.dart
+++ b/lib/domain/assets.dart
@@ -8,6 +8,7 @@ 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 translationsBasePath = 'assets/i18n';
 
   //General
diff --git a/lib/domain/models/db/game_codes/game_codes_file.dart b/lib/domain/models/db/game_codes/game_codes_file.dart
new file mode 100644
index 000000000..e95e47fbd
--- /dev/null
+++ b/lib/domain/models/db/game_codes/game_codes_file.dart
@@ -0,0 +1,31 @@
+import 'package:freezed_annotation/freezed_annotation.dart';
+
+import '../../models.dart';
+
+part 'game_codes_file.freezed.dart';
+part 'game_codes_file.g.dart';
+
+@freezed
+abstract class GameCodesFile implements _$GameCodesFile {
+  factory GameCodesFile({
+    @required List<GameCodeFileModel> gameCodes,
+  }) = _GameCodesFile;
+
+  GameCodesFile._();
+
+  factory GameCodesFile.fromJson(Map<String, dynamic> json) => _$GameCodesFileFromJson(json);
+}
+
+@freezed
+abstract class GameCodeFileModel implements _$GameCodeFileModel {
+  factory GameCodeFileModel({
+    String dateAdded,
+    @required bool isExpired,
+    @required String code,
+    @required List<ItemAscensionMaterialModel> rewards,
+  }) = _GameCodeFileModel;
+
+  GameCodeFileModel._();
+
+  factory GameCodeFileModel.fromJson(Map<String, dynamic> json) => _$GameCodeFileModelFromJson(json);
+}
diff --git a/lib/domain/models/models.dart b/lib/domain/models/models.dart
index 3271bb22a..8b135caf7 100644
--- a/lib/domain/models/models.dart
+++ b/lib/domain/models/models.dart
@@ -16,6 +16,7 @@ export 'db/characters/characters_file.dart';
 export 'db/elements/element_debuff_file_model.dart';
 export 'db/elements/element_reaction_file_model.dart';
 export 'db/elements/elements_file.dart';
+export 'db/game_codes/game_codes_file.dart';
 export 'db/materials/material_file_model.dart';
 export 'db/materials/materials_file.dart';
 export 'db/translations/translation_artifact_file.dart';
diff --git a/lib/domain/services/genshin_service.dart b/lib/domain/services/genshin_service.dart
index 18db24593..1b995edf0 100644
--- a/lib/domain/services/genshin_service.dart
+++ b/lib/domain/services/genshin_service.dart
@@ -8,6 +8,7 @@ abstract class GenshinService {
   Future<void> initArtifacts();
   Future<void> initMaterials();
   Future<void> initElements();
+  Future<void> initGameCodes();
   Future<void> initTranslations(AppLanguageType languageType);
 
   List<CharacterCardModel> getCharactersForCard();
@@ -42,4 +43,6 @@ abstract class GenshinService {
   List<MaterialFileModel> getMaterials(MaterialType type);
 
   int getServerDay(AppServerResetTimeType type);
+
+  List<GameCodeFileModel> getAllGameCodes();
 }
diff --git a/lib/infrastructure/genshin_service.dart b/lib/infrastructure/genshin_service.dart
index 48d219bae..66a005f56 100644
--- a/lib/infrastructure/genshin_service.dart
+++ b/lib/infrastructure/genshin_service.dart
@@ -17,6 +17,7 @@ class GenshinServiceImpl implements GenshinService {
   ArtifactsFile _artifactsFile;
   MaterialsFile _materialsFile;
   ElementsFile _elementsFile;
+  GameCodesFile _gameCodesFile;
 
   GenshinServiceImpl(this._localeService);
 
@@ -28,6 +29,7 @@ class GenshinServiceImpl implements GenshinService {
       initArtifacts(),
       initMaterials(),
       initElements(),
+      initGameCodes(),
       initTranslations(languageType),
     ]);
   }
@@ -67,6 +69,13 @@ class GenshinServiceImpl implements GenshinService {
     _elementsFile = ElementsFile.fromJson(json);
   }
 
+  @override
+  Future<void> initGameCodes() async {
+    final jsonStr = await rootBundle.loadString(Assets.gameCodesDbPath);
+    final json = jsonDecode(jsonStr) as Map<String, dynamic>;
+    _gameCodesFile = GameCodesFile.fromJson(json);
+  }
+
   @override
   Future<void> initTranslations(AppLanguageType languageType) async {
     final transJsonStr = await rootBundle.loadString(Assets.getTranslationPath(languageType));
@@ -480,4 +489,7 @@ class GenshinServiceImpl implements GenshinService {
 
     return server.weekday - 1;
   }
+
+  @override
+  List<GameCodeFileModel> getAllGameCodes() => _gameCodesFile.gameCodes;
 }