diff --git a/e2e/game-model/AddingGamesystems.spec.ts b/e2e/game-model/AddingGamesystems.spec.ts
new file mode 100644
index 0000000..4d65fd0
--- /dev/null
+++ b/e2e/game-model/AddingGamesystems.spec.ts
@@ -0,0 +1,23 @@
+import { BrowserContext, ElectronApplication, Page, _electron as electron } from 'playwright';
+import { test, expect } from '@playwright/test';
+import * as PATH from 'path';
+import {GameModel} from "../../src/app/game-model/GameModel";
+import {Gamesystem} from "../../src/app/game-model/gamesystems/Gamesystem";
+
+test.describe('Adding Gamesystems', () => {
+
+  test("Test simple adding of Gamesystems", async () => {
+    const gameModel = new GameModel("GameModel");
+    const gamesystem = new Gamesystem("Gamesystem");
+    gameModel.addGamesystem(gamesystem);
+    expect(gameModel.gamesystems.includes(gamesystem)).toBeTruthy();
+  })
+
+  test("Test duplicates when adding Gamesystems", async () => {
+    const gameModel = new GameModel("GameModel");
+    const gamesystem = new Gamesystem("Gamesystem");
+    gameModel.addGamesystem(gamesystem);
+    gameModel.addGamesystem(gamesystem)
+    expect(gameModel.gamesystems.length).toEqual(1);
+  })
+});
diff --git a/e2e/game-model/RemovingGamesystems.spec.ts b/e2e/game-model/RemovingGamesystems.spec.ts
new file mode 100644
index 0000000..e5777fe
--- /dev/null
+++ b/e2e/game-model/RemovingGamesystems.spec.ts
@@ -0,0 +1,25 @@
+import { BrowserContext, ElectronApplication, Page, _electron as electron } from 'playwright';
+import { test, expect } from '@playwright/test';
+import * as PATH from 'path';
+import {GameModel} from "../../src/app/game-model/GameModel";
+import {Gamesystem} from "../../src/app/game-model/gamesystems/Gamesystem";
+
+test.describe('Removing Gamesystems', () => {
+
+  test("Test simple removing of Gamesystems", async () => {
+    const gameModel = new GameModel("GameModel");
+    const gamesystem = new Gamesystem("Gamesystem");
+    gameModel.addGamesystem(gamesystem);
+
+    gameModel.removeGamesystem(gamesystem);
+    expect(gameModel.gamesystems.length).toEqual(0);
+  })
+
+  test("Test removing of empty gamesystems", async () => {
+    const gameModel = new GameModel("GameModel");
+    const gamesystem = new Gamesystem("Gamesystem");
+
+    gameModel.removeGamesystem(gamesystem);
+    expect(gameModel.gamesystems.length).toEqual(0);
+  })
+});
diff --git a/src/app/game-model/GameModel.ts b/src/app/game-model/GameModel.ts
new file mode 100644
index 0000000..8bc7dbf
--- /dev/null
+++ b/src/app/game-model/GameModel.ts
@@ -0,0 +1,29 @@
+import {Gamesystem} from "./gamesystems/Gamesystem";
+
+export class GameModel {
+  private readonly _gameModelName: string
+
+  private _gamesystems: Gamesystem[] = [];
+
+  constructor(gameModelName: string) {
+    this._gameModelName = gameModelName;
+  }
+  get gameModelName(): string {
+    return this._gameModelName;
+  }
+
+
+  get gamesystems(): Gamesystem[] {
+    return this._gamesystems;
+  }
+
+  addGamesystem(gamesystem: Gamesystem) {
+    if(!this.gamesystems.includes(gamesystem)) {
+      this._gamesystems.push(gamesystem);
+    }
+  }
+
+  removeGamesystem(gamesystem : Gamesystem) {
+    this._gamesystems = this._gamesystems.filter(g => g !== gamesystem);
+  }
+}
diff --git a/src/app/game-model/game-model.module.ts b/src/app/game-model/game-model.module.ts
new file mode 100644
index 0000000..8d35a43
--- /dev/null
+++ b/src/app/game-model/game-model.module.ts
@@ -0,0 +1,12 @@
+import { NgModule } from '@angular/core';
+import { CommonModule } from '@angular/common';
+
+
+
+@NgModule({
+  declarations: [],
+  imports: [
+    CommonModule
+  ]
+})
+export class GameModelModule { }
diff --git a/src/app/game-model/gamesystems/Gamesystem.ts b/src/app/game-model/gamesystems/Gamesystem.ts
new file mode 100644
index 0000000..989e9c0
--- /dev/null
+++ b/src/app/game-model/gamesystems/Gamesystem.ts
@@ -0,0 +1,8 @@
+export class Gamesystem {
+  gamesystemName: string
+  constructor(gamesystemName: string) {
+    this.gamesystemName = gamesystemName;
+  }
+
+
+}