diff --git a/server/prisma/migrations/20241207130209_more_geoloc/migration.sql b/server/prisma/migrations/20241207130209_more_geoloc/migration.sql
deleted file mode 100644
index 4958e1c..0000000
--- a/server/prisma/migrations/20241207130209_more_geoloc/migration.sql
+++ /dev/null
@@ -1,14 +0,0 @@
-/*
-  Warnings:
-
-  - Added the required column `accuracy` to the `Geolocation` table without a default value. This is not possible if the table is not empty.
-  - Added the required column `altitude` to the `Geolocation` table without a default value. This is not possible if the table is not empty.
-  - Added the required column `altitudeAccuracy` to the `Geolocation` table without a default value. This is not possible if the table is not empty.
-  - Added the required column `speed` to the `Geolocation` table without a default value. This is not possible if the table is not empty.
-
-*/
--- AlterTable
-ALTER TABLE "Geolocation" ADD COLUMN     "accuracy" DOUBLE PRECISION NOT NULL,
-ADD COLUMN     "altitude" DOUBLE PRECISION NOT NULL,
-ADD COLUMN     "altitudeAccuracy" DOUBLE PRECISION NOT NULL,
-ADD COLUMN     "speed" DOUBLE PRECISION NOT NULL;
diff --git a/server/prisma/migrations/20241207200719_challenge_penalty/migration.sql b/server/prisma/migrations/20241207200719_challenge_penalty/migration.sql
deleted file mode 100644
index 19ab9bf..0000000
--- a/server/prisma/migrations/20241207200719_challenge_penalty/migration.sql
+++ /dev/null
@@ -1,5 +0,0 @@
--- AlterTable
-ALTER TABLE "ChallengeAction" ADD COLUMN     "end" TIMESTAMP(3),
-ADD COLUMN     "penaltyEnd" TIMESTAMP(3),
-ADD COLUMN     "penaltyStart" TIMESTAMP(3),
-ADD COLUMN     "start" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP;
diff --git a/server/prisma/migrations/20241207201534_timezones/migration.sql b/server/prisma/migrations/20241207201534_timezones/migration.sql
deleted file mode 100644
index a94c24b..0000000
--- a/server/prisma/migrations/20241207201534_timezones/migration.sql
+++ /dev/null
@@ -1,12 +0,0 @@
--- AlterTable
-ALTER TABLE "ChallengeAction" ALTER COLUMN "end" SET DATA TYPE TIMESTAMPTZ(3),
-ALTER COLUMN "penaltyEnd" SET DATA TYPE TIMESTAMPTZ(3),
-ALTER COLUMN "penaltyStart" SET DATA TYPE TIMESTAMPTZ(3),
-ALTER COLUMN "start" SET DATA TYPE TIMESTAMPTZ(3);
-
--- AlterTable
-ALTER TABLE "Geolocation" ALTER COLUMN "timestamp" SET DATA TYPE TIMESTAMPTZ(3);
-
--- AlterTable
-ALTER TABLE "TrainTrip" ALTER COLUMN "departureTime" SET DATA TYPE TIMESTAMPTZ(3),
-ALTER COLUMN "arrivalTime" SET DATA TYPE TIMESTAMPTZ(3);
diff --git a/server/prisma/migrations/20241207230134_remove_train_geometry/migration.sql b/server/prisma/migrations/20241207230134_remove_train_geometry/migration.sql
deleted file mode 100644
index 16fcfb2..0000000
--- a/server/prisma/migrations/20241207230134_remove_train_geometry/migration.sql
+++ /dev/null
@@ -1,8 +0,0 @@
-/*
-  Warnings:
-
-  - You are about to drop the column `geometry` on the `TrainTrip` table. All the data in the column will be lost.
-
-*/
--- AlterTable
-ALTER TABLE "TrainTrip" DROP COLUMN "geometry";
diff --git a/server/prisma/migrations/20241208103715_store_money_update_amount/migration.sql b/server/prisma/migrations/20241208103715_store_money_update_amount/migration.sql
deleted file mode 100644
index b3c720a..0000000
--- a/server/prisma/migrations/20241208103715_store_money_update_amount/migration.sql
+++ /dev/null
@@ -1,13 +0,0 @@
-/*
-  Warnings:
-
-  - You are about to drop the column `after` on the `MoneyUpdate` table. All the data in the column will be lost.
-  - You are about to drop the column `before` on the `MoneyUpdate` table. All the data in the column will be lost.
-  - Added the required column `amount` to the `MoneyUpdate` table without a default value. This is not possible if the table is not empty.
-
-*/
--- AlterTable
-ALTER TABLE "MoneyUpdate" DROP COLUMN "after",
-DROP COLUMN "before",
-ADD COLUMN     "amount" INTEGER NOT NULL,
-ADD COLUMN     "timestamp" TIMESTAMPTZ(3) NOT NULL DEFAULT CURRENT_TIMESTAMP;
diff --git a/server/prisma/migrations/20241207114558_init/migration.sql b/server/prisma/migrations/20241208121526_init/migration.sql
similarity index 62%
rename from server/prisma/migrations/20241207114558_init/migration.sql
rename to server/prisma/migrations/20241208121526_init/migration.sql
index 42903a8..2f645d3 100644
--- a/server/prisma/migrations/20241207114558_init/migration.sql
+++ b/server/prisma/migrations/20241208121526_init/migration.sql
@@ -2,23 +2,27 @@
 CREATE TYPE "MoneyUpdateType" AS ENUM ('START', 'WIN_CHALLENGE', 'BUY_TRAIN');
 
 -- CreateTable
-CREATE TABLE "User" (
+CREATE TABLE "Player" (
     "id" SERIAL NOT NULL,
     "name" TEXT NOT NULL,
     "password" TEXT NOT NULL,
     "money" INTEGER NOT NULL DEFAULT 0,
     "currentRunner" BOOLEAN NOT NULL DEFAULT false,
 
-    CONSTRAINT "User_pkey" PRIMARY KEY ("id")
+    CONSTRAINT "Player_pkey" PRIMARY KEY ("id")
 );
 
 -- CreateTable
 CREATE TABLE "Geolocation" (
     "id" SERIAL NOT NULL,
-    "userId" INTEGER NOT NULL,
+    "playerId" INTEGER NOT NULL,
     "longitude" DOUBLE PRECISION NOT NULL,
     "latitude" DOUBLE PRECISION NOT NULL,
-    "timestamp" TIMESTAMP(3) NOT NULL,
+    "speed" DOUBLE PRECISION NOT NULL,
+    "accuracy" DOUBLE PRECISION NOT NULL,
+    "altitude" DOUBLE PRECISION NOT NULL,
+    "altitudeAccuracy" DOUBLE PRECISION NOT NULL,
+    "timestamp" TIMESTAMPTZ(3) NOT NULL,
 
     CONSTRAINT "Geolocation_pkey" PRIMARY KEY ("id")
 );
@@ -36,10 +40,14 @@ CREATE TABLE "Challenge" (
 -- CreateTable
 CREATE TABLE "ChallengeAction" (
     "id" SERIAL NOT NULL,
-    "userId" INTEGER NOT NULL,
+    "playerId" INTEGER NOT NULL,
     "challengeId" INTEGER NOT NULL,
     "active" BOOLEAN NOT NULL DEFAULT false,
     "success" BOOLEAN NOT NULL DEFAULT false,
+    "start" TIMESTAMPTZ(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    "end" TIMESTAMPTZ(3),
+    "penaltyStart" TIMESTAMPTZ(3),
+    "penaltyEnd" TIMESTAMPTZ(3),
 
     CONSTRAINT "ChallengeAction_pkey" PRIMARY KEY ("id")
 );
@@ -47,14 +55,13 @@ CREATE TABLE "ChallengeAction" (
 -- CreateTable
 CREATE TABLE "TrainTrip" (
     "id" TEXT NOT NULL,
-    "userId" INTEGER NOT NULL,
+    "playerId" INTEGER NOT NULL,
     "distance" DOUBLE PRECISION NOT NULL,
     "from" TEXT NOT NULL,
     "to" TEXT NOT NULL,
-    "departureTime" TIMESTAMP(3) NOT NULL,
-    "arrivalTime" TIMESTAMP(3) NOT NULL,
+    "departureTime" TIMESTAMPTZ(3) NOT NULL,
+    "arrivalTime" TIMESTAMPTZ(3) NOT NULL,
     "infoJson" JSONB NOT NULL,
-    "geometry" TEXT NOT NULL,
 
     CONSTRAINT "TrainTrip_pkey" PRIMARY KEY ("id")
 );
@@ -62,18 +69,18 @@ CREATE TABLE "TrainTrip" (
 -- CreateTable
 CREATE TABLE "MoneyUpdate" (
     "id" SERIAL NOT NULL,
-    "userId" INTEGER NOT NULL,
-    "before" INTEGER NOT NULL,
-    "after" INTEGER NOT NULL,
+    "playerId" INTEGER NOT NULL,
+    "amount" INTEGER NOT NULL,
     "reason" "MoneyUpdateType" NOT NULL,
     "actionId" INTEGER,
     "tripId" TEXT,
+    "timestamp" TIMESTAMPTZ(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
 
     CONSTRAINT "MoneyUpdate_pkey" PRIMARY KEY ("id")
 );
 
 -- CreateIndex
-CREATE UNIQUE INDEX "User_name_key" ON "User"("name");
+CREATE UNIQUE INDEX "Player_name_key" ON "Player"("name");
 
 -- CreateIndex
 CREATE UNIQUE INDEX "Challenge_title_key" ON "Challenge"("title");
@@ -88,22 +95,22 @@ CREATE UNIQUE INDEX "MoneyUpdate_actionId_key" ON "MoneyUpdate"("actionId");
 CREATE UNIQUE INDEX "MoneyUpdate_tripId_key" ON "MoneyUpdate"("tripId");
 
 -- AddForeignKey
-ALTER TABLE "Geolocation" ADD CONSTRAINT "Geolocation_userId_fkey" FOREIGN KEY ("userId") REFERENCES "User"("id") ON DELETE RESTRICT ON UPDATE CASCADE;
+ALTER TABLE "Geolocation" ADD CONSTRAINT "Geolocation_playerId_fkey" FOREIGN KEY ("playerId") REFERENCES "Player"("id") ON DELETE RESTRICT ON UPDATE CASCADE;
+
+-- AddForeignKey
+ALTER TABLE "ChallengeAction" ADD CONSTRAINT "ChallengeAction_playerId_fkey" FOREIGN KEY ("playerId") REFERENCES "Player"("id") ON DELETE RESTRICT ON UPDATE CASCADE;
 
 -- AddForeignKey
 ALTER TABLE "ChallengeAction" ADD CONSTRAINT "ChallengeAction_challengeId_fkey" FOREIGN KEY ("challengeId") REFERENCES "Challenge"("id") ON DELETE RESTRICT ON UPDATE CASCADE;
 
 -- AddForeignKey
-ALTER TABLE "ChallengeAction" ADD CONSTRAINT "ChallengeAction_userId_fkey" FOREIGN KEY ("userId") REFERENCES "User"("id") ON DELETE RESTRICT ON UPDATE CASCADE;
+ALTER TABLE "TrainTrip" ADD CONSTRAINT "TrainTrip_playerId_fkey" FOREIGN KEY ("playerId") REFERENCES "Player"("id") ON DELETE RESTRICT ON UPDATE CASCADE;
 
 -- AddForeignKey
-ALTER TABLE "TrainTrip" ADD CONSTRAINT "TrainTrip_userId_fkey" FOREIGN KEY ("userId") REFERENCES "User"("id") ON DELETE RESTRICT ON UPDATE CASCADE;
+ALTER TABLE "MoneyUpdate" ADD CONSTRAINT "MoneyUpdate_playerId_fkey" FOREIGN KEY ("playerId") REFERENCES "Player"("id") ON DELETE RESTRICT ON UPDATE CASCADE;
 
 -- AddForeignKey
 ALTER TABLE "MoneyUpdate" ADD CONSTRAINT "MoneyUpdate_actionId_fkey" FOREIGN KEY ("actionId") REFERENCES "ChallengeAction"("id") ON DELETE SET NULL ON UPDATE CASCADE;
 
 -- AddForeignKey
 ALTER TABLE "MoneyUpdate" ADD CONSTRAINT "MoneyUpdate_tripId_fkey" FOREIGN KEY ("tripId") REFERENCES "TrainTrip"("id") ON DELETE SET NULL ON UPDATE CASCADE;
-
--- AddForeignKey
-ALTER TABLE "MoneyUpdate" ADD CONSTRAINT "MoneyUpdate_userId_fkey" FOREIGN KEY ("userId") REFERENCES "User"("id") ON DELETE RESTRICT ON UPDATE CASCADE;
diff --git a/server/prisma/schema.prisma b/server/prisma/schema.prisma
index 6770eb0..71d7a66 100644
--- a/server/prisma/schema.prisma
+++ b/server/prisma/schema.prisma
@@ -7,7 +7,7 @@ datasource db {
   url      = env("DATABASE_URL")
 }
 
-model User {
+model Player {
   id            Int               @id @default(autoincrement())
   name          String            @unique
   password      String
@@ -21,8 +21,8 @@ model User {
 
 model Geolocation {
   id               Int      @id @default(autoincrement())
-  user             User     @relation(fields: [userId], references: [id])
-  userId           Int
+  player           Player   @relation(fields: [playerId], references: [id])
+  playerId         Int
   longitude        Float
   latitude         Float
   speed            Float
@@ -42,8 +42,8 @@ model Challenge {
 
 model ChallengeAction {
   id           Int          @id @default(autoincrement())
-  user         User         @relation(fields: [userId], references: [id])
-  userId       Int
+  player       Player       @relation(fields: [playerId], references: [id])
+  playerId     Int
   challenge    Challenge    @relation(fields: [challengeId], references: [id])
   challengeId  Int          @unique
   active       Boolean      @default(false)
@@ -57,8 +57,8 @@ model ChallengeAction {
 
 model TrainTrip {
   id            String       @id
-  user          User         @relation(fields: [userId], references: [id])
-  userId        Int
+  player        Player       @relation(fields: [playerId], references: [id])
+  playerId      Int
   distance      Float
   from          String
   to            String
@@ -70,8 +70,8 @@ model TrainTrip {
 
 model MoneyUpdate {
   id           Int              @id @default(autoincrement())
-  user         User             @relation(fields: [userId], references: [id])
-  userId       Int
+  player       Player           @relation(fields: [playerId], references: [id])
+  playerId     Int
   amount       Int
   reason       MoneyUpdateType
   action       ChallengeAction? @relation(fields: [actionId], references: [id])
diff --git a/server/prisma/seed.ts b/server/prisma/seed.ts
index 0b6697e..1ac20a2 100644
--- a/server/prisma/seed.ts
+++ b/server/prisma/seed.ts
@@ -5,14 +5,14 @@ const prisma = new PrismaClient()
 
 async function main() {
   const emmyPassword = await bcrypt.hash("Emmy", 10)
-  const emmy = await prisma.user.upsert({
+  const emmy = await prisma.player.upsert({
     where: { id: 1 },
     update: { name: 'Emmy' },
     create: { name: 'Emmy', password: emmyPassword },
   })
 
   const taminaPassword = await bcrypt.hash("Tamina", 10)
-  const tamina = await prisma.user.upsert({
+  const tamina = await prisma.player.upsert({
     where: { id: 2 },
     update: { name: 'Tamina' },
     create: { name: 'Tamina', password: taminaPassword },
diff --git a/server/src/app.module.ts b/server/src/app.module.ts
index 03e82cb..710ba0b 100644
--- a/server/src/app.module.ts
+++ b/server/src/app.module.ts
@@ -1,7 +1,7 @@
 import { Module } from '@nestjs/common'
 import { PrismaService } from './prisma/prisma.service'
 import { PrismaModule } from './prisma/prisma.module'
-import { UsersModule } from './users/users.module'
+import { PlayersModule } from './players/players.module'
 import { AuthModule } from './auth/auth.module'
 import { GeolocationsModule } from './geolocations/geolocations.module'
 import { ChallengesModule } from './challenges/challenges.module'
@@ -10,7 +10,7 @@ import { TrainsModule } from './trains/trains.module'
 import { MoneyUpdatesModule } from './money-updates/money-updates.module'
 
 @Module({
-  imports: [PrismaModule, UsersModule, AuthModule, GeolocationsModule, ChallengesModule, ChallengeActionsModule, TrainsModule, MoneyUpdatesModule],
+  imports: [PrismaModule, PlayersModule, AuthModule, GeolocationsModule, ChallengesModule, ChallengeActionsModule, TrainsModule, MoneyUpdatesModule],
   providers: [PrismaService],
 })
 export class AppModule {}
diff --git a/server/src/auth/auth.module.ts b/server/src/auth/auth.module.ts
index a97ca10..c8586a8 100644
--- a/server/src/auth/auth.module.ts
+++ b/server/src/auth/auth.module.ts
@@ -5,7 +5,7 @@ import { PrismaModule } from 'src/prisma/prisma.module'
 import { PassportModule } from '@nestjs/passport'
 import { JwtModule } from '@nestjs/jwt'
 import { env } from 'process'
-import { UsersModule } from 'src/users/users.module'
+import { PlayersModule } from 'src/players/players.module'
 import { JwtStrategy } from './jwt.strategy'
 
 export const JWT_SECRET = env.JWT_SECRET
@@ -18,7 +18,7 @@ export const JWT_SECRET = env.JWT_SECRET
       secret: JWT_SECRET,
       signOptions: { expiresIn: '12h' },
     }),
-    UsersModule,
+    PlayersModule,
   ],
   controllers: [AuthController],
   providers: [AuthService, JwtStrategy],
diff --git a/server/src/auth/auth.service.ts b/server/src/auth/auth.service.ts
index 7342f41..b9fe91c 100644
--- a/server/src/auth/auth.service.ts
+++ b/server/src/auth/auth.service.ts
@@ -9,17 +9,17 @@ export class AuthService {
   constructor(private prisma: PrismaService, private jwtService: JwtService) {}
 
   async login(name: string, password: string): Promise<AuthEntity> {
-    const user = await this.prisma.user.findUnique({ where: { name: name } })
-    if (!user) {
-        throw new NotFoundException(`Aucun⋅e utilisateur⋅rice avec pour nom ${name}`)
+    const player = await this.prisma.player.findUnique({ where: { name: name } })
+    if (!player) {
+        throw new NotFoundException(`Aucun⋅e joueur⋅se avec pour nom ${name}`)
     }
-    const isPasswordValid = await bcrypt.compare(password, user.password)
+    const isPasswordValid = await bcrypt.compare(password, player.password)
     if (!isPasswordValid) {
         throw new UnauthorizedException('Mot de passe incorrect')
     }
 
     return {
-      accessToken: this.jwtService.sign({ userId: user.id }),
+      accessToken: this.jwtService.sign({ playerId: player.id }),
     }
   }
 }
diff --git a/server/src/auth/jwt-auth.guard.ts b/server/src/auth/jwt-auth.guard.ts
index e6e730b..bea191c 100644
--- a/server/src/auth/jwt-auth.guard.ts
+++ b/server/src/auth/jwt-auth.guard.ts
@@ -1,9 +1,9 @@
 import { Injectable } from '@nestjs/common'
 import { AuthGuard } from '@nestjs/passport'
-import { User } from '@prisma/client'
+import { Player } from '@prisma/client'
 import { Request } from 'express'
 
 @Injectable()
 export class JwtAuthGuard extends AuthGuard('jwt') {}
 
-export type AuthenticatedRequest = Request & { user: User }
+export type AuthenticatedRequest = Request & { user: Player }
diff --git a/server/src/auth/jwt.strategy.ts b/server/src/auth/jwt.strategy.ts
index d3be6d4..6f41c56 100644
--- a/server/src/auth/jwt.strategy.ts
+++ b/server/src/auth/jwt.strategy.ts
@@ -2,23 +2,24 @@ import { Injectable, UnauthorizedException } from '@nestjs/common'
 import { PassportStrategy } from '@nestjs/passport'
 import { ExtractJwt, Strategy } from 'passport-jwt'
 import { JWT_SECRET } from './auth.module'
-import { UsersService } from 'src/users/users.service'
-import { User } from '@prisma/client'
+import { PlayersService } from 'src/players/players.service'
+import { Player } from '@prisma/client'
 
 @Injectable()
 export class JwtStrategy extends PassportStrategy(Strategy, 'jwt') {
-  constructor(private usersService: UsersService) {
+  constructor(private playersService: PlayersService) {
     super({
       jwtFromRequest: ExtractJwt.fromAuthHeaderAsBearerToken(),
       secretOrKey: JWT_SECRET,
     })
   }
 
-  async validate(payload: { userId: number }): Promise<User> {
-    const user = await this.usersService.findOne(payload.userId)
-    if (!user) {
+  async validate(payload: { playerId: number }): Promise<Player> {
+    console.log(payload)
+    const player = await this.playersService.findOne(payload.playerId)
+    if (!player) {
       throw new UnauthorizedException()
     }
-    return user
+    return player
   }
 }
diff --git a/server/src/challenge-actions/challenge-actions.controller.ts b/server/src/challenge-actions/challenge-actions.controller.ts
index 672df5e..08324a1 100644
--- a/server/src/challenge-actions/challenge-actions.controller.ts
+++ b/server/src/challenge-actions/challenge-actions.controller.ts
@@ -23,8 +23,7 @@ export class ChallengeActionsController {
   @ApiUnauthorizedResponse({ description: "Non authentifié⋅e" })
   @ApiForbiddenResponse({ description: "Permission refusée" })
   async create(@Req() request: AuthenticatedRequest, @Body() createChallengeActionDto: CreateChallengeActionDto): Promise<ChallengeActionEntity> {
-    const user = request.user
-    const challenge = await this.challengeActionsService.create(user, createChallengeActionDto)
+    const challenge = await this.challengeActionsService.create(request.user, createChallengeActionDto)
     return new ChallengeActionEntity(challenge)
   }
 
diff --git a/server/src/challenge-actions/challenge-actions.service.ts b/server/src/challenge-actions/challenge-actions.service.ts
index c081287..55d1f45 100644
--- a/server/src/challenge-actions/challenge-actions.service.ts
+++ b/server/src/challenge-actions/challenge-actions.service.ts
@@ -1,7 +1,7 @@
 import { Injectable, NotAcceptableException } from '@nestjs/common'
 import { CreateChallengeActionDto } from './dto/create-challenge-action.dto'
 import { UpdateChallengeActionDto } from './dto/update-challenge-action.dto'
-import { ChallengeAction, User } from '@prisma/client'
+import { ChallengeAction, Player } from '@prisma/client'
 import { PrismaService } from 'src/prisma/prisma.service'
 import { QueryPaginationDto } from 'src/common/dto/pagination-query.dto'
 import { paginate } from 'src/common/utils/pagination.utils'
@@ -11,8 +11,8 @@ import { FilterChallengeActionsDto } from './dto/filter-challenge-action.dto'
 export class ChallengeActionsService {
   constructor(private prisma: PrismaService) { }
 
-  async create(authenticatedUser: User, createChallengeActionDto: CreateChallengeActionDto): Promise<ChallengeAction> {
-    const data = { ...createChallengeActionDto, userId: authenticatedUser.id }
+  async create(authenticatedPlayer: Player, createChallengeActionDto: CreateChallengeActionDto): Promise<ChallengeAction> {
+    const data = { ...createChallengeActionDto, playerId: authenticatedPlayer.id }
     return await this.prisma.challengeAction.create({
       data: data,
     })
@@ -49,10 +49,10 @@ export class ChallengeActionsService {
     })
   }
 
-  async endCurrentChallenge(user: User, success: boolean): Promise<ChallengeAction> {
+  async endCurrentChallenge(player: Player, success: boolean): Promise<ChallengeAction> {
     const challengeAction = await this.prisma.challengeAction.findFirst({
       where: {
-        userId: user.id,
+        playerId: player.id,
         active: true,
       }
     })
diff --git a/server/src/challenge-actions/dto/filter-challenge-action.dto.ts b/server/src/challenge-actions/dto/filter-challenge-action.dto.ts
index 3e66799..f5fcf06 100644
--- a/server/src/challenge-actions/dto/filter-challenge-action.dto.ts
+++ b/server/src/challenge-actions/dto/filter-challenge-action.dto.ts
@@ -7,8 +7,8 @@ export class FilterChallengeActionsDto {
   @IsOptional()
   @IsInt()
   @Type(() => Number)
-  @ApiProperty({ description: "Identifiant de l'utilisateur⋅rice qui effectue le défi", required: false })
-  userId?: number
+  @ApiProperty({ description: "Identifiant de læ joueur⋅se qui effectue le défi", required: false })
+  playerId?: number
 
   @IsOptional()
   @IsInt()
diff --git a/server/src/challenge-actions/entities/challenge-action.entity.ts b/server/src/challenge-actions/entities/challenge-action.entity.ts
index e669585..5e555cc 100644
--- a/server/src/challenge-actions/entities/challenge-action.entity.ts
+++ b/server/src/challenge-actions/entities/challenge-action.entity.ts
@@ -10,8 +10,8 @@ export class ChallengeActionEntity implements ChallengeAction {
   @ApiProperty({ description: "Identifiant unique" })
   id: number
 
-  @ApiProperty({ description: "Identifiant de l'utilisateur⋅rice effectuant le défi" })
-  userId: number
+  @ApiProperty({ description: "Identifiant de læ joueur⋅se effectuant le défi" })
+  playerId: number
 
   @ApiProperty({ description: "Identifiant du défi rattaché à l'action" })
   challengeId: number
diff --git a/server/src/challenges/challenges.service.ts b/server/src/challenges/challenges.service.ts
index 2f7c758..2639cee 100644
--- a/server/src/challenges/challenges.service.ts
+++ b/server/src/challenges/challenges.service.ts
@@ -1,7 +1,7 @@
 import { Injectable, NotAcceptableException, NotFoundException } from '@nestjs/common'
 import { CreateChallengeDto } from './dto/create-challenge.dto'
 import { UpdateChallengeDto } from './dto/update-challenge.dto'
-import { Challenge, User } from '@prisma/client'
+import { Challenge, Player } from '@prisma/client'
 import { PrismaService } from 'src/prisma/prisma.service'
 import { QueryPaginationDto } from 'src/common/dto/pagination-query.dto'
 import { paginate } from 'src/common/utils/pagination.utils'
@@ -56,10 +56,10 @@ export class ChallengesService {
     })
   }
 
-  async drawRandom(user: User): Promise<ChallengeEntity> {
+  async drawRandom(player: Player): Promise<ChallengeEntity> {
     const currentChallengeAction = await this.prisma.challengeAction.findFirst({
       where: {
-        userId: user.id,
+        playerId: player.id,
         active: true,
       }
     })
@@ -82,7 +82,7 @@ export class ChallengesService {
     const challengeEntity: ChallengeEntity = new ChallengeEntity(challenge)
     const action = await this.prisma.challengeAction.create({
       data: {
-        userId: user.id,
+        playerId: player.id,
         challengeId: challenge.id,
         active: true,
         success: false,
diff --git a/server/src/common/dto/user_filter.dto.ts b/server/src/common/dto/player_filter.dto.ts
similarity index 74%
rename from server/src/common/dto/user_filter.dto.ts
rename to server/src/common/dto/player_filter.dto.ts
index 58a7797..e18348a 100644
--- a/server/src/common/dto/user_filter.dto.ts
+++ b/server/src/common/dto/player_filter.dto.ts
@@ -1,9 +1,9 @@
 import { Type } from "class-transformer"
 import { IsNumber, IsOptional } from "class-validator"
 
-export class UserFilterDto {
+export class PlayerFilterDto {
   @IsOptional()
   @IsNumber()
   @Type(() => Number)
-  userId?: number
+  playerId?: number
 }
diff --git a/server/src/geolocations/entities/geolocation.entity.ts b/server/src/geolocations/entities/geolocation.entity.ts
index a7e876a..801a377 100644
--- a/server/src/geolocations/entities/geolocation.entity.ts
+++ b/server/src/geolocations/entities/geolocation.entity.ts
@@ -9,8 +9,8 @@ export class GeolocationEntity implements Geolocation {
   @ApiProperty({description: "Identifiant unique"})
   id: number
 
-  @ApiProperty({description: "Utilisateur⋅rice ayant émis la géolocalisation"})
-  userId: number
+  @ApiProperty({description: "Joueur⋅se ayant émis la géolocalisation"})
+  playerId: number
 
   @ApiProperty({description: "Longitude en degrés"})
   longitude: number
diff --git a/server/src/geolocations/geolocations.controller.ts b/server/src/geolocations/geolocations.controller.ts
index d1a1247..d2ce16a 100644
--- a/server/src/geolocations/geolocations.controller.ts
+++ b/server/src/geolocations/geolocations.controller.ts
@@ -7,7 +7,7 @@ import { GeolocationEntity } from './entities/geolocation.entity'
 import { ApiOkResponsePaginated, paginateOutput } from 'src/common/utils/pagination.utils'
 import { QueryPaginationDto } from 'src/common/dto/pagination-query.dto'
 import { PaginateOutputDto } from 'src/common/dto/pagination-output.dto'
-import { UserFilterDto } from 'src/common/dto/user_filter.dto'
+import { PlayerFilterDto } from 'src/common/dto/player_filter.dto'
 
 @Controller('geolocations')
 export class GeolocationsController {
@@ -21,8 +21,7 @@ export class GeolocationsController {
   @ApiUnauthorizedResponse({ description: "Non authentifié⋅e" })
   @ApiForbiddenResponse({ description: "Permission refusée" })
   async create(@Req() request: AuthenticatedRequest, @Body() createGeolocationDto: CreateGeolocationDto): Promise<GeolocationEntity> {
-    const user = request.user
-    const geolocation = await this.geolocationsService.create(user, createGeolocationDto)
+    const geolocation = await this.geolocationsService.create(request.user, createGeolocationDto)
     return new GeolocationEntity(geolocation)
   }
 
@@ -32,8 +31,8 @@ export class GeolocationsController {
   @ApiOkResponsePaginated(GeolocationEntity)
   @ApiUnauthorizedResponse({ description: "Non authentifié⋅e" })
   @ApiForbiddenResponse({ description: "Permission refusée" })
-  async findAll(@Query() queryPagination?: QueryPaginationDto, @Query() userFilter?: UserFilterDto): Promise<PaginateOutputDto<GeolocationEntity>> {
-    const [geolocations, total] = await this.geolocationsService.findAll(queryPagination, userFilter)
+  async findAll(@Query() queryPagination?: QueryPaginationDto, @Query() playerFilter?: PlayerFilterDto): Promise<PaginateOutputDto<GeolocationEntity>> {
+    const [geolocations, total] = await this.geolocationsService.findAll(queryPagination, playerFilter)
     return paginateOutput<GeolocationEntity>(geolocations.map(geolocation => new GeolocationEntity(geolocation)), total, queryPagination)
   }
 
@@ -51,17 +50,17 @@ export class GeolocationsController {
     return new GeolocationEntity(geolocation)
   }
 
-  @Get('/last-location/:userId')
+  @Get('/last-location/:playerId')
   @UseGuards(JwtAuthGuard)
   @ApiBearerAuth()
   @ApiOkResponse({ type: GeolocationEntity })
   @ApiUnauthorizedResponse({ description: "Non authentifié⋅e" })
   @ApiForbiddenResponse({ description: "Permission refusée" })
   @ApiNotFoundResponse({ description: "Aucune localisation trouvée" })
-  async findLastLocation(@Param('userId', ParseIntPipe) userId: number): Promise<GeolocationEntity> {
-    const geolocation = await this.geolocationsService.findLastLocation(userId)
+  async findLastLocation(@Param('playerId', ParseIntPipe) playerId: number): Promise<GeolocationEntity> {
+    const geolocation = await this.geolocationsService.findLastLocation(playerId)
     if (!geolocation)
-      throw new NotFoundException(`Géolocalisation inexistante pour l'utilisateur⋅rice ${userId}`)
+      throw new NotFoundException(`Géolocalisation inexistante pour læ joueur⋅se ${playerId}`)
     return new GeolocationEntity(geolocation)
   }
 
diff --git a/server/src/geolocations/geolocations.service.ts b/server/src/geolocations/geolocations.service.ts
index 80596a8..fe4e661 100644
--- a/server/src/geolocations/geolocations.service.ts
+++ b/server/src/geolocations/geolocations.service.ts
@@ -1,23 +1,23 @@
 import { Injectable } from '@nestjs/common'
 import { CreateGeolocationDto } from './dto/create-geolocation.dto'
 import { PrismaService } from 'src/prisma/prisma.service'
-import { Geolocation, Prisma, User } from '@prisma/client'
+import { Geolocation, Player, Prisma } from '@prisma/client'
 import { QueryPaginationDto } from 'src/common/dto/pagination-query.dto'
 import { paginate } from 'src/common/utils/pagination.utils'
-import { UserFilterDto } from 'src/common/dto/user_filter.dto'
+import { PlayerFilterDto } from 'src/common/dto/player_filter.dto'
 
 @Injectable()
 export class GeolocationsService {
   constructor(private prisma: PrismaService) { }
 
-  async create(authenticatedUser: User, createGeolocationDto: CreateGeolocationDto): Promise<Geolocation> {
-    const data = { ...createGeolocationDto, userId: authenticatedUser.id }
+  async create(authenticatedPlayer: Player, createGeolocationDto: CreateGeolocationDto): Promise<Geolocation> {
+    const data = { ...createGeolocationDto, playerId: authenticatedPlayer.id }
     return await this.prisma.geolocation.create({ data: data })
   }
 
-  async findAll(queryPagination?: QueryPaginationDto, userFilter?: UserFilterDto): Promise<[Geolocation[], number]> {
+  async findAll(queryPagination?: QueryPaginationDto, playerFilter?: PlayerFilterDto): Promise<[Geolocation[], number]> {
     const filter = {
-      where: (userFilter?.userId ? { userId: userFilter.userId } : {}),
+      where: (playerFilter?.playerId ? { playerId: playerFilter.playerId } : {}),
       orderBy: { timestamp: Prisma.SortOrder.desc },
     }
     return [
@@ -33,9 +33,9 @@ export class GeolocationsService {
     return await this.prisma.geolocation.findUnique({ where: { id } })
   }
 
-  async findLastLocation(userId: number): Promise<Geolocation> {
+  async findLastLocation(playerId: number): Promise<Geolocation> {
     return await this.prisma.geolocation.findFirst({
-      where: { userId: userId },
+      where: { playerId: playerId },
       orderBy: { timestamp: Prisma.SortOrder.desc },
       take: 1
     })
diff --git a/server/src/money-updates/entities/money-update.entity.ts b/server/src/money-updates/entities/money-update.entity.ts
index d29560b..395eba1 100644
--- a/server/src/money-updates/entities/money-update.entity.ts
+++ b/server/src/money-updates/entities/money-update.entity.ts
@@ -9,8 +9,8 @@ export class MoneyUpdateEntity implements MoneyUpdate {
   @ApiProperty({ description: "Identifiant unique de la mise à jour de solde" })
   id: number
 
-  @ApiProperty({ description: "Utilisateur⋅rice concerné⋅e par la mise à jour de solde" })
-  userId: number
+  @ApiProperty({ description: "Joueur⋅se concerné⋅e par la mise à jour de solde" })
+  playerId: number
 
   @ApiProperty({ description: "Montant de la modification du solde" })
   amount: number
diff --git a/server/src/money-updates/money-updates.controller.ts b/server/src/money-updates/money-updates.controller.ts
index d39cca0..ea1adaa 100644
--- a/server/src/money-updates/money-updates.controller.ts
+++ b/server/src/money-updates/money-updates.controller.ts
@@ -7,7 +7,7 @@ import { ApiBearerAuth, ApiCreatedResponse, ApiForbiddenResponse, ApiNotFoundRes
 import { MoneyUpdateEntity } from './entities/money-update.entity'
 import { ApiOkResponsePaginated, paginateOutput } from 'src/common/utils/pagination.utils'
 import { QueryPaginationDto } from 'src/common/dto/pagination-query.dto'
-import { UserFilterDto } from 'src/common/dto/user_filter.dto'
+import { PlayerFilterDto } from 'src/common/dto/player_filter.dto'
 import { PaginateOutputDto } from 'src/common/dto/pagination-output.dto'
 
 @Controller('money-updates')
@@ -32,8 +32,8 @@ export class MoneyUpdatesController {
   @ApiOkResponsePaginated(MoneyUpdateEntity)
   @ApiUnauthorizedResponse({ description: "Non authentifié⋅e" })
   @ApiForbiddenResponse({ description: "Permission refusée" })
-  async findAll(@Query() queryPagination: QueryPaginationDto, @Query() userFilter: UserFilterDto): Promise<PaginateOutputDto<MoneyUpdateEntity>> {
-    const [trains, total] = await this.moneyUpdatesService.findAll(queryPagination, userFilter)
+  async findAll(@Query() queryPagination: QueryPaginationDto, @Query() playerFilter: PlayerFilterDto): Promise<PaginateOutputDto<MoneyUpdateEntity>> {
+    const [trains, total] = await this.moneyUpdatesService.findAll(queryPagination, playerFilter)
     return paginateOutput<MoneyUpdateEntity>(trains.map(train => new MoneyUpdateEntity(train)), total, queryPagination)
   }
 
diff --git a/server/src/money-updates/money-updates.service.ts b/server/src/money-updates/money-updates.service.ts
index 2070d40..d98a3f3 100644
--- a/server/src/money-updates/money-updates.service.ts
+++ b/server/src/money-updates/money-updates.service.ts
@@ -2,32 +2,32 @@ import { Injectable } from '@nestjs/common'
 import { CreateMoneyUpdateDto } from './dto/create-money-update.dto'
 import { UpdateMoneyUpdateDto } from './dto/update-money-update.dto'
 import { PrismaService } from 'src/prisma/prisma.service'
-import { MoneyUpdate, User } from '@prisma/client'
+import { MoneyUpdate, Player } from '@prisma/client'
 import { QueryPaginationDto } from 'src/common/dto/pagination-query.dto'
-import { UserFilterDto } from 'src/common/dto/user_filter.dto'
+import { PlayerFilterDto } from 'src/common/dto/player_filter.dto'
 import { paginate } from 'src/common/utils/pagination.utils'
 
 @Injectable()
 export class MoneyUpdatesService {
   constructor(private prisma: PrismaService) { }
 
-  async create(user: User, createMoneyUpdateDto: CreateMoneyUpdateDto): Promise<MoneyUpdate> {
+  async create(player: Player, createMoneyUpdateDto: CreateMoneyUpdateDto): Promise<MoneyUpdate> {
     return await this.prisma.moneyUpdate.create({
       data: {
         ...createMoneyUpdateDto,
-        userId: user.id,
+        playerId: player.id,
       }
     })
   }
 
-  async findAll(queryPagination: QueryPaginationDto, userFilter: UserFilterDto): Promise<[MoneyUpdate[], number]> {
+  async findAll(queryPagination: QueryPaginationDto, playerFilter: PlayerFilterDto): Promise<[MoneyUpdate[], number]> {
     return [
       await this.prisma.moneyUpdate.findMany({
-        where: userFilter,
+        where: playerFilter,
         ...paginate(queryPagination),
       }),
       await this.prisma.moneyUpdate.count({
-        where: userFilter,
+        where: playerFilter,
       }),
     ]
   }
diff --git a/server/src/users/dto/user_password.dto.ts b/server/src/players/dto/player_password.dto.ts
similarity index 100%
rename from server/src/users/dto/user_password.dto.ts
rename to server/src/players/dto/player_password.dto.ts
diff --git a/server/src/users/entities/user.entity.ts b/server/src/players/entities/player.entity.ts
similarity index 79%
rename from server/src/users/entities/user.entity.ts
rename to server/src/players/entities/player.entity.ts
index 9d98fba..2003f46 100644
--- a/server/src/users/entities/user.entity.ts
+++ b/server/src/players/entities/player.entity.ts
@@ -1,9 +1,9 @@
 import { ApiProperty } from "@nestjs/swagger"
-import { User } from "@prisma/client"
+import { Player } from "@prisma/client"
 import { Exclude } from 'class-transformer'
 
-export class UserEntity implements User {
-  constructor(partial: Partial<UserEntity>) {
+export class PlayerEntity implements Player {
+  constructor(partial: Partial<PlayerEntity>) {
     Object.assign(this, partial)
   }
 
diff --git a/server/src/players/players.controller.spec.ts b/server/src/players/players.controller.spec.ts
new file mode 100644
index 0000000..526615b
--- /dev/null
+++ b/server/src/players/players.controller.spec.ts
@@ -0,0 +1,20 @@
+import { Test, TestingModule } from '@nestjs/testing'
+import { PlayersController } from './players.controller'
+import { PlayersService } from './players.service'
+
+describe('PlayersController', () => {
+  let controller: PlayersController
+
+  beforeEach(async () => {
+    const module: TestingModule = await Test.createTestingModule({
+      controllers: [PlayersController],
+      providers: [PlayersService],
+    }).compile()
+
+    controller = module.get<PlayersController>(PlayersController)
+  })
+
+  it('should be defined', () => {
+    expect(controller).toBeDefined()
+  })
+})
diff --git a/server/src/users/users.controller.ts b/server/src/players/players.controller.ts
similarity index 63%
rename from server/src/users/users.controller.ts
rename to server/src/players/players.controller.ts
index a4b4e6b..a0a305f 100644
--- a/server/src/users/users.controller.ts
+++ b/server/src/players/players.controller.ts
@@ -1,40 +1,40 @@
 import { Body, Controller, Get, HttpCode, NotFoundException, Param, ParseIntPipe, Patch, Query, Req, UseGuards } from '@nestjs/common'
-import { UsersService } from './users.service'
+import { PlayersService } from './players.service'
 import { ApiBadRequestResponse, ApiBearerAuth, ApiForbiddenResponse, ApiNoContentResponse, ApiNotFoundResponse, ApiOkResponse, ApiUnauthorizedResponse } from '@nestjs/swagger'
-import { UserEntity } from './entities/user.entity'
+import { PlayerEntity } from './entities/player.entity'
 import { AuthenticatedRequest, JwtAuthGuard } from 'src/auth/jwt-auth.guard'
-import { UpdatePasswordDto } from './dto/user_password.dto'
+import { UpdatePasswordDto } from './dto/player_password.dto'
 import { QueryPaginationDto } from 'src/common/dto/pagination-query.dto'
 import { ApiOkResponsePaginated, paginateOutput } from 'src/common/utils/pagination.utils'
 import { PaginateOutputDto } from 'src/common/dto/pagination-output.dto'
 
-@Controller('users')
-export class UsersController {
-  constructor(private readonly usersService: UsersService) {}
+@Controller('players')
+export class PlayersController {
+  constructor(private readonly playersService: PlayersService) {}
 
   @Get()
   @UseGuards(JwtAuthGuard)
   @ApiBearerAuth()
-  @ApiOkResponsePaginated(UserEntity)
+  @ApiOkResponsePaginated(PlayerEntity)
   @ApiUnauthorizedResponse({ description: "Non authentifié⋅e" })
   @ApiForbiddenResponse({ description: "Permission refusée" })
-  async findAll(@Query() queryPagination?: QueryPaginationDto): Promise<PaginateOutputDto<UserEntity>> {
-    const [users, total] = await this.usersService.findAll(queryPagination)
-    return paginateOutput<UserEntity>(users.map(user => new UserEntity(user)), total, queryPagination)
+  async findAll(@Query() queryPagination?: QueryPaginationDto): Promise<PaginateOutputDto<PlayerEntity>> {
+    const [players, total] = await this.playersService.findAll(queryPagination)
+    return paginateOutput<PlayerEntity>(players.map(player => new PlayerEntity(player)), total, queryPagination)
   }
 
   @Get(':id')
   @UseGuards(JwtAuthGuard)
   @ApiBearerAuth()
-  @ApiOkResponse({ type: UserEntity })
+  @ApiOkResponse({ type: PlayerEntity })
   @ApiUnauthorizedResponse({ description: "Non authentifié⋅e" })
   @ApiForbiddenResponse({ description: "Permission refusée" })
-  @ApiNotFoundResponse({ description: "Utilisateur⋅rice non trouvé⋅e" })
+  @ApiNotFoundResponse({ description: "Joueur⋅se non trouvé⋅e" })
   async findOne(@Param('id', ParseIntPipe) id: number) {
-    const user = await this.usersService.findOne(id)
-    if (!user)
-      throw new NotFoundException(`L'utilisateur⋅rice avec l'identifiant ${id} n'existe pas`)
-    return new UserEntity(user)
+    const player = await this.playersService.findOne(id)
+    if (!player)
+      throw new NotFoundException(`Læ joueur⋅se avec l'identifiant ${id} n'existe pas`)
+    return new PlayerEntity(player)
   }
 
   @Patch('/update-password')
@@ -46,7 +46,6 @@ export class UsersController {
   @ApiUnauthorizedResponse({ description: "Non authentifié⋅e" })
   @ApiForbiddenResponse({ description: "Permission refusée" })
   async updatePassword(@Req() request: AuthenticatedRequest, @Body() body: UpdatePasswordDto) {
-    const user = request.user
-    await this.usersService.updatePassword(user, body)
+    await this.playersService.updatePassword(request.user, body)
   }
 }
diff --git a/server/src/players/players.module.ts b/server/src/players/players.module.ts
new file mode 100644
index 0000000..0742449
--- /dev/null
+++ b/server/src/players/players.module.ts
@@ -0,0 +1,12 @@
+import { Module } from '@nestjs/common'
+import { PlayersService } from './players.service'
+import { PlayersController } from './players.controller'
+import { PrismaModule } from 'src/prisma/prisma.module'
+
+@Module({
+  controllers: [PlayersController],
+  providers: [PlayersService],
+  imports: [PrismaModule],
+  exports: [PlayersService],
+})
+export class PlayersModule {}
diff --git a/server/src/users/users.service.spec.ts b/server/src/players/players.service.spec.ts
similarity index 54%
rename from server/src/users/users.service.spec.ts
rename to server/src/players/players.service.spec.ts
index b87ef3c..ea31ff8 100644
--- a/server/src/users/users.service.spec.ts
+++ b/server/src/players/players.service.spec.ts
@@ -1,15 +1,15 @@
 import { Test, TestingModule } from '@nestjs/testing'
-import { UsersService } from './users.service'
+import { PlayersService } from './players.service'
 
-describe('UsersService', () => {
-  let service: UsersService
+describe('PlayersService', () => {
+  let service: PlayersService
 
   beforeEach(async () => {
     const module: TestingModule = await Test.createTestingModule({
-      providers: [UsersService],
+      providers: [PlayersService],
     }).compile()
 
-    service = module.get<UsersService>(UsersService)
+    service = module.get<PlayersService>(PlayersService)
   })
 
   it('should be defined', () => {
diff --git a/server/src/users/users.service.ts b/server/src/players/players.service.ts
similarity index 52%
rename from server/src/users/users.service.ts
rename to server/src/players/players.service.ts
index 1845b34..b8659e2 100644
--- a/server/src/users/users.service.ts
+++ b/server/src/players/players.service.ts
@@ -1,29 +1,29 @@
 import { Injectable } from '@nestjs/common'
-import { User } from '@prisma/client'
+import { Player } from '@prisma/client'
 import { PrismaService } from 'src/prisma/prisma.service'
 import * as bcrypt from 'bcrypt'
-import { UpdatePasswordDto } from './dto/user_password.dto'
+import { UpdatePasswordDto } from './dto/player_password.dto'
 import { QueryPaginationDto } from 'src/common/dto/pagination-query.dto'
 import { paginate } from 'src/common/utils/pagination.utils'
 
 @Injectable()
-export class UsersService {
+export class PlayersService {
   constructor(private prisma: PrismaService) {}
 
-  async findAll(queryPagination?: QueryPaginationDto): Promise<[User[], number]> {
+  async findAll(queryPagination?: QueryPaginationDto): Promise<[Player[], number]> {
     return [
-      await this.prisma.user.findMany({ ...paginate(queryPagination) }),
-      await this.prisma.user.count()
+      await this.prisma.player.findMany({ ...paginate(queryPagination) }),
+      await this.prisma.player.count()
     ]
   }
 
-  async findOne(id: number): Promise<User> {
-    return await this.prisma.user.findUnique({ where: { id } })
+  async findOne(id: number): Promise<Player> {
+    return await this.prisma.player.findUnique({ where: { id: id } })
   }
 
-  async updatePassword(user: User, { password }: UpdatePasswordDto): Promise<void> {
+  async updatePassword(user: Player, { password }: UpdatePasswordDto): Promise<void> {
     const hashedPassword = await bcrypt.hash(password, 10)
-    await this.prisma.user.update({
+    await this.prisma.player.update({
       where: { id: user.id },
       data: { password: hashedPassword }
     })
diff --git a/server/src/prisma/prisma.service.ts b/server/src/prisma/prisma.service.ts
index 1834b3e..5db0138 100644
--- a/server/src/prisma/prisma.service.ts
+++ b/server/src/prisma/prisma.service.ts
@@ -1,19 +1,19 @@
 import { Injectable } from '@nestjs/common'
 import { PrismaClient, } from '@prisma/client'
 
-async function updateUserMoney(prisma: PrismaClient): Promise<void> {
-  // On calcule le solde par utilisateur⋅rice pour mettre à jour l'objet User
-  const moneyPerUser = await prisma.moneyUpdate.groupBy({
-    by: 'userId',
+async function updatePlayerMoney(prisma: PrismaClient): Promise<void> {
+  // On calcule le solde par joueur⋅se pour mettre à jour l'objet Player
+  const moneyPerPlayer = await prisma.moneyUpdate.groupBy({
+    by: 'playerId',
     _sum: {
       amount: true,
     }
   })
-  for (const { userId, _sum } of moneyPerUser) {
+  for (const { playerId, _sum } of moneyPerPlayer) {
     const { amount } = _sum
-    await prisma.user.update({
+    await prisma.player.update({
       where: {
-        id: userId,
+        id: playerId,
       },
       data: {
         money: amount
@@ -21,7 +21,7 @@ async function updateUserMoney(prisma: PrismaClient): Promise<void> {
     })
   }
   // On réinitialise le solde s'il n'y a plus aucun MoneyUpdate
-  await prisma.user.updateMany({
+  await prisma.player.updateMany({
     where: {
       moneyUpdates: { none: {} }
     },
@@ -39,7 +39,7 @@ function extendPrismaClient() {
         $allOperations({ model, operation, args, query }) {
           const result = query(args)
           if (!operation.startsWith("find") && !['aggregate', 'count', 'groupBy'].includes(operation))
-            result.then(() => updateUserMoney(prisma))
+            result.then(() => updatePlayerMoney(prisma))
           return result
         }
       }
diff --git a/server/src/trains/dto/create-train.dto.ts b/server/src/trains/dto/create-train.dto.ts
index 6761a91..34d1d54 100644
--- a/server/src/trains/dto/create-train.dto.ts
+++ b/server/src/trains/dto/create-train.dto.ts
@@ -10,8 +10,8 @@ export class CreateTrainDto {
 
   @IsInt()
   @Type(() => Number)
-  @ApiProperty({ description: "Identifiant de l'utilisateur⋅rice effectuant le trajet" })
-  userId: number
+  @ApiProperty({ description: "Identifiant de læ joueur⋅se effectuant le trajet" })
+  playerId: number
 
   @IsNumber()
   @Type(() => Number)
diff --git a/server/src/trains/entities/train.entity.ts b/server/src/trains/entities/train.entity.ts
index cf8dba6..561fd21 100644
--- a/server/src/trains/entities/train.entity.ts
+++ b/server/src/trains/entities/train.entity.ts
@@ -10,8 +10,8 @@ export class TrainEntity implements TrainTrip {
   @ApiProperty({ description: "Identifiant du train, donné par l'identifiant de partage Interrail" })
   id: string
 
-  @ApiProperty({ description: "Identifiant de l'utilisateur⋅rice effectuant le trajet" })
-  userId: number
+  @ApiProperty({ description: "Identifiant de læ joueur⋅se effectuant le trajet" })
+  playerId: number
 
   @ApiProperty({ description: "Distance estimée en mètres du trajet" })
   distance: number
diff --git a/server/src/trains/trains.controller.ts b/server/src/trains/trains.controller.ts
index 33d733e..54de87f 100644
--- a/server/src/trains/trains.controller.ts
+++ b/server/src/trains/trains.controller.ts
@@ -9,7 +9,7 @@ import { ApiOkResponsePaginated, paginateOutput } from 'src/common/utils/paginat
 import { QueryPaginationDto } from 'src/common/dto/pagination-query.dto'
 import { PaginateOutputDto } from 'src/common/dto/pagination-output.dto'
 import { ImportTrainDto } from './dto/import-train.dto'
-import { UserFilterDto } from 'src/common/dto/user_filter.dto'
+import { PlayerFilterDto } from 'src/common/dto/player_filter.dto'
 
 @Controller('trains')
 export class TrainsController {
@@ -33,8 +33,8 @@ export class TrainsController {
   @ApiOkResponsePaginated(TrainEntity)
   @ApiUnauthorizedResponse({ description: "Non authentifié⋅e" })
   @ApiForbiddenResponse({ description: "Permission refusée" })
-  async findAll(@Query() queryPagination: QueryPaginationDto, @Query() userFilter: UserFilterDto): Promise<PaginateOutputDto<TrainEntity>> {
-    const [trains, total] = await this.trainsService.findAll(queryPagination, userFilter)
+  async findAll(@Query() queryPagination: QueryPaginationDto, @Query() playerFilter: PlayerFilterDto): Promise<PaginateOutputDto<TrainEntity>> {
+    const [trains, total] = await this.trainsService.findAll(queryPagination, playerFilter)
     return paginateOutput<TrainEntity>(trains.map(train => new TrainEntity(train)), total, queryPagination)
   }
 
diff --git a/server/src/trains/trains.service.ts b/server/src/trains/trains.service.ts
index 1c42dbc..300e329 100644
--- a/server/src/trains/trains.service.ts
+++ b/server/src/trains/trains.service.ts
@@ -2,13 +2,13 @@ import { Injectable, NotAcceptableException } from '@nestjs/common'
 import { CreateTrainDto } from './dto/create-train.dto'
 import { UpdateTrainDto } from './dto/update-train.dto'
 import { PrismaService } from 'src/prisma/prisma.service'
-import { TrainTrip, User } from '@prisma/client'
+import { Player, TrainTrip } from '@prisma/client'
 import { QueryPaginationDto } from 'src/common/dto/pagination-query.dto'
 import { paginate } from 'src/common/utils/pagination.utils'
 import { ImportTrainDto } from './dto/import-train.dto'
 import { InterrailJourney, InterrailLegInfo, InterrailTravelInfo } from './dto/interrail-api.dto'
 import { distanceCoordinates } from 'src/common/utils/calculus.utils'
-import { UserFilterDto } from 'src/common/dto/user_filter.dto'
+import { PlayerFilterDto } from 'src/common/dto/player_filter.dto'
 
 @Injectable()
 export class TrainsService {
@@ -18,14 +18,14 @@ export class TrainsService {
     return await this.prisma.trainTrip.create({ data: createTrainDto })
   }
 
-  async findAll(queryPagination: QueryPaginationDto, userFilter: UserFilterDto): Promise<[TrainTrip[], number]> {
+  async findAll(queryPagination: QueryPaginationDto, playerFilter: PlayerFilterDto): Promise<[TrainTrip[], number]> {
     return [
       await this.prisma.trainTrip.findMany({
-        where: userFilter,
+        where: playerFilter,
         ...paginate(queryPagination),
       }),
       await this.prisma.trainTrip.count({
-        where: userFilter,
+        where: playerFilter,
       }),
     ]
   }
@@ -49,7 +49,7 @@ export class TrainsService {
     })
   }
 
-  async import(user: User, { id: trainId }: ImportTrainDto): Promise<TrainTrip> {
+  async import(player: Player, { id: trainId }: ImportTrainDto): Promise<TrainTrip> {
     const interrailResult: InterrailJourney = await fetch(`https://3uiwjsimnh.execute-api.eu-central-1.amazonaws.com/Prod/journey-import?id=${trainId}`)
       .then(data => data.json())
     if (interrailResult.data.travels.length !== 1)
@@ -83,7 +83,7 @@ export class TrainsService {
       },
       create: {
         id: trainId,
-        userId: user.id,
+        playerId: player.id,
         distance: distance,
         from: travel.from,
         to: travel.to,
@@ -92,7 +92,7 @@ export class TrainsService {
         infoJson: leg.infoJson,
       },
       update: {
-        userId: user.id,
+        playerId: player.id,
         distance: distance,
         from: travel.from,
         to: travel.to,
diff --git a/server/src/users/users.controller.spec.ts b/server/src/users/users.controller.spec.ts
deleted file mode 100644
index ad926d7..0000000
--- a/server/src/users/users.controller.spec.ts
+++ /dev/null
@@ -1,20 +0,0 @@
-import { Test, TestingModule } from '@nestjs/testing'
-import { UsersController } from './users.controller'
-import { UsersService } from './users.service'
-
-describe('UsersController', () => {
-  let controller: UsersController
-
-  beforeEach(async () => {
-    const module: TestingModule = await Test.createTestingModule({
-      controllers: [UsersController],
-      providers: [UsersService],
-    }).compile()
-
-    controller = module.get<UsersController>(UsersController)
-  })
-
-  it('should be defined', () => {
-    expect(controller).toBeDefined()
-  })
-})
diff --git a/server/src/users/users.module.ts b/server/src/users/users.module.ts
deleted file mode 100644
index 75c0281..0000000
--- a/server/src/users/users.module.ts
+++ /dev/null
@@ -1,12 +0,0 @@
-import { Module } from '@nestjs/common'
-import { UsersService } from './users.service'
-import { UsersController } from './users.controller'
-import { PrismaModule } from 'src/prisma/prisma.module'
-
-@Module({
-  controllers: [UsersController],
-  providers: [UsersService],
-  imports: [PrismaModule],
-  exports: [UsersService],
-})
-export class UsersModule {}