diff --git a/backend/.yarn/install-state.gz b/backend/.yarn/install-state.gz
index a13a9b2..f2f637e 100644
Binary files a/backend/.yarn/install-state.gz and b/backend/.yarn/install-state.gz differ
diff --git a/backend/package.json b/backend/package.json
index 5329668..0ca217d 100644
--- a/backend/package.json
+++ b/backend/package.json
@@ -22,6 +22,7 @@
   "dependencies": {
     "@nestjs/common": "^10.0.0",
     "@nestjs/core": "^10.0.0",
+    "@nestjs/mapped-types": "*",
     "@nestjs/platform-express": "^10.0.0",
     "cross-env": "^7.0.3",
     "reflect-metadata": "^0.1.13",
diff --git a/backend/src/app.module.ts b/backend/src/app.module.ts
index 853636e..c70d0a4 100644
--- a/backend/src/app.module.ts
+++ b/backend/src/app.module.ts
@@ -4,6 +4,7 @@ import { ConfigModule } from '@nestjs/config';
 import { ItemModule } from './item/item.module';
 import { TypeOrmModule } from '@nestjs/typeorm';
 import { typeORMConfig } from 'src/configs/typeorm.config';
+import { GameModule } from './game/game.module';
 
 @Module({
   imports: [
@@ -16,6 +17,7 @@ import { typeORMConfig } from 'src/configs/typeorm.config';
     }),
     AuthModule,
     ItemModule,
+    GameModule,
   ],
   controllers: [],
   providers: [],
diff --git a/backend/src/auth/auth.controller.ts b/backend/src/auth/auth.controller.ts
index 268eeb2..f66d050 100644
--- a/backend/src/auth/auth.controller.ts
+++ b/backend/src/auth/auth.controller.ts
@@ -1,4 +1,23 @@
-import { Controller } from '@nestjs/common';
+import { User } from 'src/auth/user.entity';
+import { AuthService } from './auth.service';
+import { Body, Controller, Get, Logger, Post } from '@nestjs/common';
+import { CreateUserDto } from 'src/auth/dto/create-user.dto';
 
 @Controller('auth')
-export class AuthController {}
+export class AuthController {
+  private logger = new Logger('AuthController');
+
+  constructor(private readonly authService: AuthService) {}
+
+  @Get()
+  findOne(): Promise<User> {
+    this.logger.log('Handling Find One Users request');
+    return this.authService.findOne(2);
+  }
+
+  @Post('/test')
+  async test(@Body() createUserDto: CreateUserDto): Promise<User> {
+    this.logger.log('Handling create user');
+    return this.authService.createUser(createUserDto);
+  }
+}
diff --git a/backend/src/auth/auth.module.ts b/backend/src/auth/auth.module.ts
index a7d9fbc..ee3ef16 100644
--- a/backend/src/auth/auth.module.ts
+++ b/backend/src/auth/auth.module.ts
@@ -1,8 +1,11 @@
 import { Module } from '@nestjs/common';
 import { AuthController } from './auth.controller';
 import { AuthService } from './auth.service';
+import { TypeOrmModule } from '@nestjs/typeorm';
+import { User } from 'src/auth/user.entity';
 
 @Module({
+  imports: [TypeOrmModule.forFeature([User])],
   controllers: [AuthController],
   providers: [AuthService],
 })
diff --git a/backend/src/auth/auth.service.ts b/backend/src/auth/auth.service.ts
index a41c649..f0fb737 100644
--- a/backend/src/auth/auth.service.ts
+++ b/backend/src/auth/auth.service.ts
@@ -1,4 +1,27 @@
 import { Injectable } from '@nestjs/common';
+import { InjectRepository } from '@nestjs/typeorm';
+import { CreateUserDto } from 'src/auth/dto/create-user.dto';
+import { User } from 'src/auth/user.entity';
+import { Repository } from 'typeorm';
 
 @Injectable()
-export class AuthService {}
+export class AuthService {
+  constructor(
+    @InjectRepository(User)
+    private usersRepository: Repository<User>,
+  ) {}
+
+  findOne(userId: number): Promise<User> {
+    return this.usersRepository.findOneBy({ userId });
+  }
+
+  async createUser(createUserDto: CreateUserDto): Promise<User> {
+    // Create a new User entity from the DTO
+    const user = new User();
+    user.username = createUserDto.username;
+    user.userId = createUserDto.userId;
+
+    // Save the entity to the database
+    return this.usersRepository.save(user);
+  }
+}
diff --git a/backend/src/auth/dto/create-user.dto.ts b/backend/src/auth/dto/create-user.dto.ts
new file mode 100644
index 0000000..00625eb
--- /dev/null
+++ b/backend/src/auth/dto/create-user.dto.ts
@@ -0,0 +1,9 @@
+import { IsNotEmpty } from 'class-validator';
+
+export class CreateUserDto {
+  @IsNotEmpty()
+  userId: number;
+
+  @IsNotEmpty()
+  username: string;
+}
diff --git a/backend/src/auth/user.entity.ts b/backend/src/auth/user.entity.ts
index e69de29..d73d5e6 100644
--- a/backend/src/auth/user.entity.ts
+++ b/backend/src/auth/user.entity.ts
@@ -0,0 +1,10 @@
+import { BaseEntity, Column, Entity, PrimaryColumn } from 'typeorm';
+
+@Entity()
+export class User extends BaseEntity {
+  @PrimaryColumn({ unique: true })
+  userId: number;
+
+  @Column()
+  username: string;
+}
diff --git a/backend/src/game/game.controller.ts b/backend/src/game/game.controller.ts
new file mode 100644
index 0000000..b3a3953
--- /dev/null
+++ b/backend/src/game/game.controller.ts
@@ -0,0 +1,7 @@
+import { Controller } from '@nestjs/common';
+import { GameService } from './game.service';
+
+@Controller('game')
+export class GameController {
+  constructor(private readonly gameService: GameService) {}
+}
diff --git a/backend/src/game/game.module.ts b/backend/src/game/game.module.ts
new file mode 100644
index 0000000..d375e00
--- /dev/null
+++ b/backend/src/game/game.module.ts
@@ -0,0 +1,9 @@
+import { Module } from '@nestjs/common';
+import { GameService } from './game.service';
+import { GameController } from './game.controller';
+
+@Module({
+  controllers: [GameController],
+  providers: [GameService],
+})
+export class GameModule {}
diff --git a/backend/src/game/game.service.ts b/backend/src/game/game.service.ts
new file mode 100644
index 0000000..18ca270
--- /dev/null
+++ b/backend/src/game/game.service.ts
@@ -0,0 +1,4 @@
+import { Injectable } from '@nestjs/common';
+
+@Injectable()
+export class GameService {}
diff --git a/backend/src/item/item.entity.ts b/backend/src/item/item.entity.ts
new file mode 100644
index 0000000..e69de29
diff --git a/backend/yarn.lock b/backend/yarn.lock
index 10f07fc..73d6b54 100644
--- a/backend/yarn.lock
+++ b/backend/yarn.lock
@@ -979,6 +979,23 @@ __metadata:
   languageName: node
   linkType: hard
 
+"@nestjs/mapped-types@npm:*":
+  version: 2.0.5
+  resolution: "@nestjs/mapped-types@npm:2.0.5"
+  peerDependencies:
+    "@nestjs/common": ^8.0.0 || ^9.0.0 || ^10.0.0
+    class-transformer: ^0.4.0 || ^0.5.0
+    class-validator: ^0.13.0 || ^0.14.0
+    reflect-metadata: ^0.1.12 || ^0.2.0
+  peerDependenciesMeta:
+    class-transformer:
+      optional: true
+    class-validator:
+      optional: true
+  checksum: 10c0/f92743cb4c0fe3b1eecdf0c7c6a40f0e7478574a9e1a25ebdbd29db29a7319c2ae608c08d07f7b9525bea01a5e20dbd73222100204d3a13500db4f56676446a1
+  languageName: node
+  linkType: hard
+
 "@nestjs/platform-express@npm:^10.0.0":
   version: 10.4.1
   resolution: "@nestjs/platform-express@npm:10.4.1"
@@ -2139,6 +2156,7 @@ __metadata:
     "@nestjs/common": "npm:^10.0.0"
     "@nestjs/config": "npm:^3.2.3"
     "@nestjs/core": "npm:^10.0.0"
+    "@nestjs/mapped-types": "npm:*"
     "@nestjs/platform-express": "npm:^10.0.0"
     "@nestjs/schematics": "npm:^10.0.0"
     "@nestjs/testing": "npm:^10.0.0"