diff --git a/src/game/game.service.ts b/src/game/game.service.ts
index dc1d92982afc59066f31f16e3153e7361e75aead..6292d54bffcb6749c5fac3d7070e7bca0ddc373c 100644
--- a/src/game/game.service.ts
+++ b/src/game/game.service.ts
@@ -8,7 +8,7 @@ import {
   ObjectivePointEntity,
   ObjectivePoint_HistoryEntity,
 } from './game.entity';
-import { GameDTO, FlagboxEventDTO } from './game.dto';
+import { GameDTO, FlagboxEventDTO, GameGroupDTO } from './game.dto';
 import { PersonEntity } from '../user/user.entity';
 import { GameGroupEntity } from './group.entity';
 import { FactionEntity } from './faction.entity';
@@ -39,22 +39,18 @@ export class GameService {
   // create a new game
   async createNewGame(personId: PersonEntity, gameData: GameDTO) {
     // checks if a game with the same name exists already
-    const { name } = gameData;
-    if (await this.gameRepository.findOne({ where: { name } })) {
+    if (await this.gameRepository.findOne({ name: gameData.name })) {
       throw new HttpException('Game already exists', HttpStatus.BAD_REQUEST);
     }
     // else add the game to the database
-    const game = await this.gameRepository.create({
-      ...gameData,
-      factions: gameData.factions,
-    });
+    const game = await this.gameRepository.create(gameData);
     await this.gameRepository.insert(game);
+    // add gamePerson with role admin to the game
     const gamePerson = await this.game_PersonRepository.create({
-      faction: null,
       game: game,
       person: personId,
+      role: 'admin',
     });
-    gamePerson['role'] = 'admin';
     await this.game_PersonRepository.insert(gamePerson);
     return {
       message: 'New game added',
@@ -64,16 +60,13 @@ export class GameService {
   // edit already created game
   async editGame(id: string, gameData: GameDTO) {
     // checks if a game with the same name exists already
-    const { name } = gameData;
-    if (await this.gameRepository.findOne({ name: name, id: Not(id) })) {
+    if (
+      await this.gameRepository.findOne({ name: gameData.name, id: Not(id) })
+    ) {
       throw new HttpException('Game already exists', HttpStatus.BAD_REQUEST);
     }
     // update game entry in db
-    const updatedGame = await this.gameRepository.create({
-      ...gameData,
-      factions: null,
-      objective_points: null,
-    });
+    const updatedGame = await this.gameRepository.create(gameData);
     updatedGame['id'] = id;
     const gameId = await this.gameRepository.save(updatedGame);
 
@@ -131,7 +124,7 @@ export class GameService {
   }
 
   // checks the password, creates an entry in GamePerson table with associated role&faction
-  async createGroup(person, gameId, groupData) {
+  async createGroup(person, gameId, groupData: GameGroupDTO) {
     // check if the person already is in a group in this game
     const checkDuplicate = await this.game_PersonRepository.findOne({
       person: person,
@@ -280,3 +273,4 @@ export class GameService {
     }
   }
 }
+

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