diff --git a/.idea/Bowl_in.iml b/.idea/Bowl_in.iml
index f1b2d07..01dd66f 100644
--- a/.idea/Bowl_in.iml
+++ b/.idea/Bowl_in.iml
@@ -10,6 +10,5 @@
     <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/IManager.dart b/Sources/bowlin_project/lib/model/IManager.dart
index 00ecb8c..3b1932f 100644
--- a/Sources/bowlin_project/lib/model/IManager.dart
+++ b/Sources/bowlin_project/lib/model/IManager.dart
@@ -2,10 +2,8 @@ import 'package:bowl_in/model/GameDetail.dart';
 import 'package:bowl_in/model/GamePlayer.dart';
 
 import 'User.dart';
-import 'Game.dart';
 import 'IUserManager.dart';
 import 'IGameManager.dart';
-import 'Game.dart';
 
 abstract class IManager {
   late User _userCurrent;
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..e97923f
--- /dev/null
+++ b/Sources/bowlin_project/lib/model/LocalManager/AuthManager.dart
@@ -0,0 +1,16 @@
+import 'package:bowl_in/model/IAuthManager.dart';
+import 'package:bowl_in/model/LocalManager/LocalData.dart';
+
+class AuthManager extends IAuthManager {
+  final LocalData parent;
+
+  // Constructor
+  AuthManager(this.parent);
+
+  @override
+  bool verifiedUser(String mail, String password) {
+    // TODO: implement verifiedUser
+    throw UnimplementedError();
+  }
+
+}
\ No newline at end of file
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..b93f3a0
--- /dev/null
+++ b/Sources/bowlin_project/lib/model/LocalManager/GameManager.dart
@@ -0,0 +1,59 @@
+import 'package:bowl_in/model/GameDetail.dart';
+import 'package:bowl_in/model/IGameManager.dart';
+import 'package:bowl_in/model/LocalManager/LocalData.dart';
+import 'package:bowl_in/model/Player.dart';
+
+class GameManager extends IGameManager {
+  final LocalData parent;
+  
+  // Constructor
+  GameManager(this.parent);
+
+  @override
+  addGame(GameDetail gd) {
+    // TODO: implement addGame
+    throw UnimplementedError();
+  }
+
+  @override
+  GameDetail getGameById(int id) {
+    // TODO: implement getGameById
+    throw UnimplementedError();
+  }
+
+  @override
+  List<GameDetail> getGamesByPlayer(Player user) {
+    // TODO: implement getGamesByPlayer
+    throw UnimplementedError();
+  }
+
+  @override
+  List<GameDetail> getGamesByPlayerId(int id) {
+    // TODO: implement getGamesByPlayerId
+    throw UnimplementedError();
+  }
+
+  @override
+  List<GameDetail> getGamesByPlayers(List<Player> users) {
+    // TODO: implement getGamesByPlayers
+    throw UnimplementedError();
+  }
+
+  @override
+  int getNextId() {
+    // TODO: implement getNextId
+    throw UnimplementedError();
+  }
+
+  @override
+  List<Player> getPlayersByIdGame(int id) {
+    // TODO: implement getPlayersByIdGame
+    throw UnimplementedError();
+  }
+
+  @override
+  Map<Player, int> getRankByIdGame(int id) {
+    // TODO: implement getRankByIdGame
+    throw UnimplementedError();
+  }
+}
\ No newline at end of file
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..ebef5aa
--- /dev/null
+++ b/Sources/bowlin_project/lib/model/LocalManager/LocalData.dart
@@ -0,0 +1,19 @@
+import 'package:bowl_in/model/IManager.dart';
+import 'package:localstorage/localstorage.dart';
+
+import '../IGameManager.dart';
+import '../IUserManager.dart';
+import 'GameManager.dart';
+import 'UserManager.dart';
+
+class LocalData extends IManager{
+  late IUserManager _userMgr;
+  late IGameManager _gameMgr;
+
+  final LocalStorage storage = LocalStorage('local_key');
+
+  LocalData() {
+    _userMgr = UserManager(this);
+    _gameMgr = GameManager(this);
+  }
+}
\ No newline at end of file
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..b025fc7
--- /dev/null
+++ b/Sources/bowlin_project/lib/model/LocalManager/UserManager.dart
@@ -0,0 +1,78 @@
+import 'dart:convert';
+
+import 'package:bowl_in/model/IUserManager.dart';
+import 'package:bowl_in/model/LocalManager/LocalData.dart';
+import 'package:bowl_in/model/Player.dart';
+import 'package:bowl_in/model/User.dart';
+
+import '../Stat.dart';
+import 'AuthManager.dart';
+
+class UserManager extends IUserManager {
+  final LocalData parent;
+
+  // Constructor
+  UserManager(this.parent) : super(AuthManager(parent)) {
+    _initUser();
+  }
+
+  _initUser() {
+    String userJson = parent.storage.getItem('user');
+
+    if (userJson != null) {
+      Map<String, dynamic> userMap = json.decode(userJson);
+      User user = User(
+        userMap['_id'],
+        userMap['name'],
+        userMap['image'],
+        userMap['_mail'],
+        [],
+        [],
+        new Stat(0, 0, 0, 0, 0, 0, 2.0, 3.0),
+      );
+      parent.userCurrent = user;
+    } else {
+      parent.userCurrent = new User(
+          1,
+          "Unknown",
+          "./assets/images/image_user_cyan.png",
+          "david.d_almeida@etu.uca.fr",
+          [],
+          [],
+          Stat(0, 0, 0, 0, 0, 0, 0, 0));
+    }
+  }
+
+  saveUser(User user) {
+    String userJson = json.encode(userToMap(user));
+
+    parent.storage.setItem('user', userJson);
+  }
+
+  Map<String, dynamic> userToMap(User user) {
+    return {
+      '_id': user.id,
+      'name': user.name,
+      'image': user.image,
+      '_mail': user.mail,
+    };
+  }
+
+  @override
+  List<User> getRankingWithFriends() {
+    // TODO: implement getRankingWithFriends
+    throw UnimplementedError();
+  }
+
+  @override
+  Player getUserById(int id) {
+    // TODO: implement getUserById
+    throw UnimplementedError();
+  }
+
+  @override
+  List<Player> getUsersByName(String name) {
+    // TODO: implement getUsersByName
+    throw UnimplementedError();
+  }
+}
diff --git a/Sources/bowlin_project/lib/model/StubManager/AuthManager.dart b/Sources/bowlin_project/lib/model/StubManager/AuthManager.dart
index fc93912..bb63f3f 100644
--- a/Sources/bowlin_project/lib/model/StubManager/AuthManager.dart
+++ b/Sources/bowlin_project/lib/model/StubManager/AuthManager.dart
@@ -1,4 +1,5 @@
 library StubLib;
+
 import '../IAuthManager.dart';
 import '../User.dart';
 import 'StubData.dart';
@@ -8,6 +9,7 @@ class AuthManager extends IAuthManager {
 
   // Constructor
   AuthManager(this.parent);
+
   // Methods
   bool verifiedUser(String mail, String password) {
     for (var user in parent.players) {
@@ -18,4 +20,4 @@ class AuthManager extends IAuthManager {
     }
     return false;
   }
-}
\ No newline at end of file
+}
diff --git a/Sources/bowlin_project/lib/model/StubManager/StubData.dart b/Sources/bowlin_project/lib/model/StubManager/StubData.dart
index 001b928..81afb95 100644
--- a/Sources/bowlin_project/lib/model/StubManager/StubData.dart
+++ b/Sources/bowlin_project/lib/model/StubManager/StubData.dart
@@ -51,15 +51,7 @@ class StubData extends IManager {
           Achievement("Win a game")
         ],
         [],
-        Stat(
-            0,
-            0,
-            0,
-            0,
-            0,
-            0,
-            0,
-            0)),
+        Stat(0, 0, 0, 0, 0, 0, 0, 0)),
     User(
         9,
         "Dave",
@@ -82,15 +74,7 @@ class StubData extends IManager {
                 Achievement("Win a game")
               ],
               [],
-              Stat(
-                  0,
-                  0,
-                  0,
-                  0,
-                  0,
-                  0,
-                  0,
-                  0)),
+              Stat(0, 0, 0, 0, 0, 0, 0, 0)),
           User(
               22,
               "Louison",
@@ -102,15 +86,7 @@ class StubData extends IManager {
                 Achievement("Win a game")
               ],
               [],
-              Stat(
-                  10,
-                  12,
-                  150,
-                  7,
-                  6,
-                  700,
-                  58.33,
-                  30.2)),
+              Stat(10, 12, 150, 7, 6, 700, 58.33, 30.2)),
           User(
               23,
               "Owen",
@@ -122,15 +98,7 @@ class StubData extends IManager {
                 Achievement("Win a game")
               ],
               [],
-              Stat(
-                  10,
-                  12,
-                  10,
-                  7,
-                  6,
-                  700,
-                  58.33,
-                  30.2)),
+              Stat(10, 12, 10, 7, 6, 700, 58.33, 30.2)),
           User(
               24,
               "LULU",
@@ -142,15 +110,7 @@ class StubData extends IManager {
                 Achievement("Win a game")
               ],
               [],
-              Stat(
-                  10,
-                  12,
-                  40,
-                  7,
-                  6,
-                  700,
-                  58.33,
-                  30.2)),
+              Stat(10, 12, 40, 7, 6, 700, 58.33, 30.2)),
           User(
               25,
               "Raphael",
@@ -162,25 +122,9 @@ class StubData extends IManager {
                 Achievement("Win a game")
               ],
               [],
-              Stat(
-                  10,
-                  12,
-                  76,
-                  7,
-                  6,
-                  700,
-                  58.33,
-                  30.2)),
+              Stat(10, 12, 76, 7, 6, 700, 58.33, 30.2)),
         ],
-        Stat(
-            0,
-            0,
-            0,
-            0,
-            0,
-            0,
-            0,
-            0))
+        Stat(0, 0, 0, 0, 0, 0, 0, 0))
   ];
 
   List<GameDetail> _gameDetails = [];
diff --git a/Sources/bowlin_project/pubspec.lock b/Sources/bowlin_project/pubspec.lock
index ee6d354..27cb5bf 100644
--- a/Sources/bowlin_project/pubspec.lock
+++ b/Sources/bowlin_project/pubspec.lock
@@ -224,6 +224,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "2.0.1"
+  localstorage:
+    dependency: "direct main"
+    description:
+      name: localstorage
+      sha256: "1b5304491c85250b90807e0e2b3a6217d2739caea4871b820d42782572f880f4"
+      url: "https://pub.dev"
+    source: hosted
+    version: "4.0.1+2"
   logging:
     dependency: transitive
     description:
diff --git a/Sources/bowlin_project/pubspec.yaml b/Sources/bowlin_project/pubspec.yaml
index d4df740..45ba99c 100644
--- a/Sources/bowlin_project/pubspec.yaml
+++ b/Sources/bowlin_project/pubspec.yaml
@@ -40,6 +40,7 @@ dependencies:
   google_fonts: ^3.0.1
   go_router: ^6.0.1
   uuid: ^3.0.7
+  localstorage: ^4.0.0+1
   intl: ^0.18.0