diff --git a/.idea/Bowl_in.iml b/.idea/Bowl_in.iml
index eed4b67..f1b2d07 100644
--- a/.idea/Bowl_in.iml
+++ b/.idea/Bowl_in.iml
@@ -9,5 +9,7 @@
     </content>
     <orderEntry type="inheritedJdk" />
     <orderEntry type="sourceFolder" forTests="false" />
+    <orderEntry type="library" name="Dart SDK" level="project" />
+    <orderEntry type="library" name="Dart Packages" level="project" />
   </component>
 </module>
\ No newline at end of file
diff --git a/Sources/bowlin_project/lib/model/LocalManager/AuthManager.dart b/Sources/bowlin_project/lib/model/LocalManager/AuthManager.dart
new file mode 100644
index 0000000..97fbc45
--- /dev/null
+++ b/Sources/bowlin_project/lib/model/LocalManager/AuthManager.dart
@@ -0,0 +1,17 @@
+library LocalLib;
+
+import '../IAuthManager.dart';
+import 'LocalData.dart';
+
+class AuthManager extends IAuthManager {
+  final LocalData parent;
+
+  // Constructor
+  AuthManager(this.parent);
+
+  // Methods
+  @override
+  bool verifiedUser(String name, String password) {
+    return false;
+  }
+}
diff --git a/Sources/bowlin_project/lib/model/LocalManager/GameManager.dart b/Sources/bowlin_project/lib/model/LocalManager/GameManager.dart
new file mode 100644
index 0000000..5517ed5
--- /dev/null
+++ b/Sources/bowlin_project/lib/model/LocalManager/GameManager.dart
@@ -0,0 +1,49 @@
+library LocalLib;
+
+import '../IGameManager.dart';
+import '../GameDetail.dart';
+import '../Player.dart';
+import '../User.dart';
+import '../Guest.dart';
+import 'LocalData.dart';
+import 'package:uuid/uuid.dart';
+
+class GameManager extends IGameManager {
+  List<GameDetail> games = [];
+  final LocalData parent;
+
+  // Constructor
+  GameManager(this.parent);
+
+  // Methods
+  @override
+  GameDetail getGameById(Uuid id) {
+    return GameDetail(Uuid(), DateTime.now(), Uuid(), 290, true, null,
+        Guest(Uuid(), "", ""), [], []);
+  }
+
+  @override
+  List<GameDetail> getGamesByPlayerId(Uuid id) {
+    return [];
+  }
+
+  @override
+  List<GameDetail> getGamesByPlayer(Player user) {
+    return [];
+  }
+
+  @override
+  List<GameDetail> getGamesByPlayers(List<Player> users) {
+    return [];
+  }
+
+  @override
+  List<User> getPlayersByIdGame(Uuid id) {
+    return [];
+  }
+
+  @override
+  Map<int, Uuid> getRankByIdGame(Uuid id) {
+    return {};
+  }
+}
diff --git a/Sources/bowlin_project/lib/model/LocalManager/LocalData.dart b/Sources/bowlin_project/lib/model/LocalManager/LocalData.dart
new file mode 100644
index 0000000..f20430e
--- /dev/null
+++ b/Sources/bowlin_project/lib/model/LocalManager/LocalData.dart
@@ -0,0 +1,38 @@
+library LocalLib;
+
+import '../IManager.dart';
+import '../IUserManager.dart';
+import '../IGameManager.dart';
+import '../User.dart';
+import 'UserManager.dart';
+import 'GameManager.dart';
+import 'package:localstorage/localstorage.dart';
+
+class LocalData extends IManager {
+  late IUserManager _userMgr;
+  late IGameManager _gameMgr;
+
+  final LocalStorage storage = LocalStorage('local_key');
+
+  List<User> users = [];
+
+  LocalData() {
+    _userMgr = UserManager(this);
+    _gameMgr = GameManager(this);
+    users = storage.getItem('users');
+  }
+
+  _saveToStorage() {
+    storage.setItem('users', toJSONEncodable());
+  }
+
+  _clearStorage() async {
+    await storage.clear();
+  }
+
+  toJSONEncodable() {
+    return users.map((user) {
+      return user.toJSONEncodable();
+    }).toList();
+  }
+}
diff --git a/Sources/bowlin_project/lib/model/LocalManager/UserManager.dart b/Sources/bowlin_project/lib/model/LocalManager/UserManager.dart
new file mode 100644
index 0000000..46ed4ca
--- /dev/null
+++ b/Sources/bowlin_project/lib/model/LocalManager/UserManager.dart
@@ -0,0 +1,38 @@
+library LocalLib;
+
+import '../IUserManager.dart';
+import '../IAuthManager.dart';
+import 'AuthManager.dart';
+import 'LocalData.dart';
+import '../User.dart';
+import 'package:uuid/uuid.dart';
+
+class UserManager extends IUserManager {
+  final LocalData parent;
+
+  // Constructor
+  UserManager(this.parent) : super(AuthManager(parent));
+
+  // Methods
+  @override
+  List<User> getUsersByName(String name) {
+    List<User> returnList = [];
+    parent.users.forEach((element) {
+      if (element.name == name) {
+        returnList.add(element);
+      }
+    });
+    return returnList;
+  }
+
+  @override
+  User getUserById(Uuid id) {
+    var returnUser;
+    parent.users.forEach((element) {
+      if (element.id == id) {
+        returnUser = element;
+      }
+    });
+    return returnUser;
+  }
+}
diff --git a/Sources/bowlin_project/lib/model/StubManager/StubData.dart b/Sources/bowlin_project/lib/model/StubManager/StubData.dart
index 08b9dc4..d93815b 100644
--- a/Sources/bowlin_project/lib/model/StubManager/StubData.dart
+++ b/Sources/bowlin_project/lib/model/StubManager/StubData.dart
@@ -1,4 +1,5 @@
 library StubLib;
+
 import '../IManager.dart';
 import '../IUserManager.dart';
 import '../IGameManager.dart';
@@ -19,8 +20,29 @@ class StubData extends IManager {
   }
 
   List<User> users = [
-    User(Uuid(),"Emre","https://fastly.picsum.photos/id/1060/2000/2000.jpg?hmac=_RrU8GpkCDUlVKfgyWE-GcX-GS5TKNyUzdFbJAGXHV4","emre.kartal@etu.uca.fr", [Achievement("5 games"), Achievement("2 strikes in a row"), Achievement("Win a game")], [], Stat(10,2,12,130,7,6,700,58.33,30.2)),
-    User(Uuid(),"Dave","https://fastly.picsum.photos/id/820/2000/2000.jpg?hmac=Ctxx2feJNZnG1S7UPx_YrWcEw89tKb7fR8i1W-VTOz4","david.d_almeida@etu.uca.fr", [Achievement("5 games"), Achievement("0 point"), Achievement("Win a game")], [], Stat(2,7,9,80,4,3,250,27.77,10.55))
+    User(
+        Uuid(),
+        "Emre",
+        "https://fastly.picsum.photos/id/1060/2000/2000.jpg?hmac=_RrU8GpkCDUlVKfgyWE-GcX-GS5TKNyUzdFbJAGXHV4",
+        "emre.kartal@etu.uca.fr",
+        [
+          Achievement("5 games"),
+          Achievement("2 strikes in a row"),
+          Achievement("Win a game")
+        ],
+        [],
+        Stat(10, 2, 12, 130, 7, 6, 700, 58.33, 30.2)),
+    User(
+        Uuid(),
+        "Dave",
+        "https://fastly.picsum.photos/id/820/2000/2000.jpg?hmac=Ctxx2feJNZnG1S7UPx_YrWcEw89tKb7fR8i1W-VTOz4",
+        "david.d_almeida@etu.uca.fr",
+        [
+          Achievement("5 games"),
+          Achievement("0 point"),
+          Achievement("Win a game")
+        ],
+        [],
+        Stat(2, 7, 9, 80, 4, 3, 250, 27.77, 10.55))
   ];
-
-}
\ No newline at end of file
+}
diff --git a/Sources/bowlin_project/lib/model/StubManager/UserManager.dart b/Sources/bowlin_project/lib/model/StubManager/UserManager.dart
index b69c6d8..634f7a5 100644
--- a/Sources/bowlin_project/lib/model/StubManager/UserManager.dart
+++ b/Sources/bowlin_project/lib/model/StubManager/UserManager.dart
@@ -1,4 +1,5 @@
 library StubLib;
+
 import '../IUserManager.dart';
 import '../IAuthManager.dart';
 import 'AuthManager.dart';
@@ -11,13 +12,15 @@ class UserManager extends IUserManager {
   final StubData parent;
 
   // Constructor
-  UserManager(this.parent):super(AuthManager(parent));
+  UserManager(this.parent) : super(AuthManager(parent));
 
   // Methods
   List<User> getUsersByName(String name) {
     return [];
   }
+
   User getUserById(Uuid id) {
-    return User(Uuid(),"","","",[],[], Stat(10,10,10,10,10,10,10,10,10));
+    return User(
+        Uuid(), "", "", "", [], [], Stat(10, 10, 10, 10, 10, 10, 10, 10, 10));
   }
-}
\ No newline at end of file
+}
diff --git a/Sources/bowlin_project/lib/model/User.dart b/Sources/bowlin_project/lib/model/User.dart
index 0355054..39a9ccc 100644
--- a/Sources/bowlin_project/lib/model/User.dart
+++ b/Sources/bowlin_project/lib/model/User.dart
@@ -10,7 +10,8 @@ class User extends Player {
   Stat _stat;
 
   // Constructor
-  User(Uuid id, String name, String image, this._mail, this._achievements, this._friends, this._stat)
+  User(Uuid id, String name, String image, this._mail, this._achievements,
+      this._friends, this._stat)
       : super(id, name, image);
 
   // Getters and setters
@@ -37,4 +38,18 @@ class User extends Player {
   set stats(Stat value) {
     _stat = value;
   }
+
+  toJSONEncodable() {
+    Map<String, dynamic> m = new Map();
+
+    m['id'] = id;
+    m['Name'] = name;
+    m['Mail'] = _mail;
+    m['Image'] = image;
+    m['Achievement'] = achievements;
+    m['Friends'] = friends;
+    m['Stat'] = stat;
+
+    return m;
+  }
 }
diff --git a/Sources/bowlin_project/pubspec.lock b/Sources/bowlin_project/pubspec.lock
index da2a4e6..9772bd7 100644
--- a/Sources/bowlin_project/pubspec.lock
+++ b/Sources/bowlin_project/pubspec.lock
@@ -33,6 +33,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "2.1.1"
+  buffer:
+    dependency: transitive
+    description:
+      name: buffer
+      sha256: "8962c12174f53e2e848a6acd7ac7fd63d8a1a6a316c20c458a832d87eba5422a"
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.2.0"
   characters:
     dependency: transitive
     description:
@@ -41,6 +49,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "1.2.1"
+  charcode:
+    dependency: transitive
+    description:
+      name: charcode
+      sha256: fb98c0f6d12c920a02ee2d998da788bca066ca5f148492b7085ee23372b12306
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.3.1"
   checked_yaml:
     dependency: transitive
     description:
@@ -216,6 +232,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "2.0.1"
+  localstorage:
+    dependency: "direct main"
+    description:
+      name: localstorage
+      sha256: "93f103074c0661bc1bb90aa88e172ee2e9096ec0c4f9baf519e23372c39ca681"
+      url: "https://pub.dev"
+    source: hosted
+    version: "4.0.0+1"
   logging:
     dependency: transitive
     description:
@@ -304,6 +328,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "2.1.3"
+  pedantic:
+    dependency: transitive
+    description:
+      name: pedantic
+      sha256: "67fc27ed9639506c856c840ccce7594d0bdcd91bc8d53d6e52359449a1d50602"
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.11.1"
   petitparser:
     dependency: transitive
     description:
@@ -336,6 +368,22 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "3.6.2"
+  pool:
+    dependency: transitive
+    description:
+      name: pool
+      sha256: "20fe868b6314b322ea036ba325e6fc0711a22948856475e2c2b6306e8ab39c2a"
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.5.1"
+  postgres:
+    dependency: "direct main"
+    description:
+      name: postgres
+      sha256: "8a94c672fbfd252228862a8e786497828f650b427e51b2e624606756c64224e3"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.6.1"
   process:
     dependency: transitive
     description:
@@ -344,6 +392,22 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "4.2.4"
+  sasl_scram:
+    dependency: transitive
+    description:
+      name: sasl_scram
+      sha256: a47207a436eb650f8fdcf54a2e2587b850dc3caef9973ce01f332b07a6fc9cb9
+      url: "https://pub.dev"
+    source: hosted
+    version: "0.1.1"
+  saslprep:
+    dependency: transitive
+    description:
+      name: saslprep
+      sha256: "79c9e163a82f55da542feaf0f7a59031e74493299c92008b2b404cd88d639bb4"
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.0.2"
   simple_gradient_text:
     dependency: "direct main"
     description:
@@ -413,6 +477,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "1.3.1"
+  unorm_dart:
+    dependency: transitive
+    description:
+      name: unorm_dart
+      sha256: "5b35bff83fce4d76467641438f9e867dc9bcfdb8c1694854f230579d68cd8f4b"
+      url: "https://pub.dev"
+    source: hosted
+    version: "0.2.0"
   uuid:
     dependency: "direct main"
     description:
diff --git a/Sources/bowlin_project/pubspec.yaml b/Sources/bowlin_project/pubspec.yaml
index 6b6031d..2d68424 100644
--- a/Sources/bowlin_project/pubspec.yaml
+++ b/Sources/bowlin_project/pubspec.yaml
@@ -40,6 +40,8 @@ dependencies:
   google_fonts: ^3.0.1
   go_router: ^6.0.1
   uuid: ^3.0.7
+  postgres: ^2.6.1
+  localstorage: ^4.0.0+1
 
 dev_dependencies:
   flutter_test:
@@ -88,8 +90,8 @@ flutter:
   # list giving the asset and other descriptors for the font. For
   # example:
   fonts:
-     - family: BowlInFont
-       fonts:
-         - asset: assets/fonts/BowlInFont.ttf
+    - family: BowlInFont
+      fonts:
+        - asset: assets/fonts/BowlInFont.ttf
   # For details regarding fonts from package dependencies,
   # see https://flutter.dev/custom-fonts/#from-packages