diff --git a/e2e/game-model/gamesystems/FindGamesystem.spec.ts b/e2e/game-model/gamesystems/FindGamesystem.spec.ts
new file mode 100644
index 0000000..879717b
--- /dev/null
+++ b/e2e/game-model/gamesystems/FindGamesystem.spec.ts
@@ -0,0 +1,50 @@
+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";
+import {ScriptAccount} from "../../../src/app/game-model/scriptAccounts/ScriptAccount";
+import {ModelComponentType} from "../../../src/app/game-model/ModelComponentType";
+import {SimpleGamesystem} from "../../../src/app/game-model/gamesystems/SimpleGamesystem";
+import exp = require("node:constants");
+import {end} from "electron-debug";
+import {GamesystemTrainer} from "./GamesystemTrainer";
+test.describe('Test Find Gamesystems', () => {
+  const GAMEMODELNAME: string = "GameModel";
+  const SIMPLEGAMESYSTEM_NAME: string = "Simple Gamesystem";
+
+
+  test('Find null or undefined Gamesystem', async () => {
+    const gameModel = new GameModel(GAMEMODELNAME);
+    expect(gameModel.findGamesystem(null)).toBeUndefined();
+    expect(gameModel.findGamesystem(undefined)).toBeUndefined();
+  })
+
+  test('Find non existend Gamesystem', async () => {
+    const gameModel = new GameModel(GAMEMODELNAME);
+    expect(gameModel.findGamesystem("Gamesystem")).toBeUndefined();
+  })
+
+  test("Find existend simple Gamesystem on top layer", async () => {
+    const gameModel = new GameModel(GAMEMODELNAME);
+    const gamesystem = new SimpleGamesystem(SIMPLEGAMESYSTEM_NAME);
+    gameModel.addGamesystem(gamesystem);
+
+    expect(gameModel.findGamesystem(SIMPLEGAMESYSTEM_NAME)).toBeDefined();
+    expect(gameModel.findGamesystem(SIMPLEGAMESYSTEM_NAME)).toEqual(gamesystem);
+  })
+
+  test('Find existent product gamesystem on top layer', async () => {
+    const gameModel =  GamesystemTrainer.givenGameModelWithProductGamesytemOnTopLayer();
+    const result = gameModel.findGamesystem(GamesystemTrainer.TOP_PRODUCT_GAMESYSTEM_NAME);
+    expect(result).toBeDefined();
+
+  })
+
+  test('Find existent simple gamesystem on lower layer', async () => {
+    const gameModel = GamesystemTrainer.givenGameModelWithProductGamesytemOnTopLayer();
+    const result = gameModel.findGamesystem(GamesystemTrainer.SIMPLEGAMESYSTEMNAME);
+    expect(result).toBeDefined();
+
+  })
+});
diff --git a/e2e/game-model/gamesystems/GamesystemTrainer.ts b/e2e/game-model/gamesystems/GamesystemTrainer.ts
new file mode 100644
index 0000000..8b2055f
--- /dev/null
+++ b/e2e/game-model/gamesystems/GamesystemTrainer.ts
@@ -0,0 +1,37 @@
+import {GameModel} from "../../../src/app/game-model/GameModel";
+import {SimpleGamesystem} from "../../../src/app/game-model/gamesystems/SimpleGamesystem";
+import {ProductGamesystem} from "../../../src/app/game-model/gamesystems/ProductGamesystem";
+
+export class GamesystemTrainer {
+
+  static GAMEMODELNAME: string = "GAMEMODEL";
+  static SIMPLEGAMESYSTEMNAME: string = "SIMPLE GAMESYSTEM";
+  static TOP_PRODUCT_GAMESYSTEM_NAME: string = "Top Product Gamesystem"
+
+  static SIMPLEGAMESYSTEM2: string = "Simple Gamesystem Leaf 2";
+  static givenEmptyGameModel() {
+    return new GameModel(GamesystemTrainer.GAMEMODELNAME);
+  }
+
+  static givenGameModelWithSimpleGamesystemOnTopLayer() {
+    const gameModel = new GameModel(GamesystemTrainer.GAMEMODELNAME);
+    const gamesytem = new SimpleGamesystem(GamesystemTrainer.SIMPLEGAMESYSTEMNAME);
+    gameModel.addGamesystem(gamesytem);
+
+    return gameModel;
+  }
+
+  static givenGameModelWithProductGamesytemOnTopLayer() {
+    const gameModel = new GameModel(GamesystemTrainer.GAMEMODELNAME);
+    const productGamesystem = new ProductGamesystem(this.TOP_PRODUCT_GAMESYSTEM_NAME);
+    const leaf1 = new SimpleGamesystem(this.SIMPLEGAMESYSTEMNAME);
+    const leaf2 = new SimpleGamesystem(this.SIMPLEGAMESYSTEM2);
+    productGamesystem.innerGamesystems.push(leaf1);
+    productGamesystem.innerGamesystems.push(leaf2);
+    gameModel.addGamesystem(productGamesystem);
+
+    return gameModel;
+  }
+
+
+}
diff --git a/src/app/game-model/GameModel.ts b/src/app/game-model/GameModel.ts
index b8cec69..207fd0a 100644
--- a/src/app/game-model/GameModel.ts
+++ b/src/app/game-model/GameModel.ts
@@ -1,5 +1,8 @@
 import {Gamesystem} from "./gamesystems/Gamesystem";
 import {ScriptAccount} from "./scriptAccounts/ScriptAccount";
+import {Transition} from "./gamesystems/Transition";
+import {State} from "./gamesystems/State";
+import {ProductGamesystem} from "./gamesystems/ProductGamesystem";
 
 export class GameModel {
   private readonly _gameModelName: string
@@ -48,4 +51,19 @@ export class GameModel {
     }
   }
 
+  findGamesystem(gamesystemName: string) {
+    const gamesystemQueue : Gamesystem<State<any>, Transition<any>>[] = [];
+    this.gamesystems.forEach(gamesystem => gamesystemQueue.push(gamesystem));
+
+    while(gamesystemQueue.length > 0) {
+      const currentGamesystem = gamesystemQueue.shift()!;
+      if(currentGamesystem.componentName == gamesystemName) {
+        return currentGamesystem;
+      } else if(currentGamesystem instanceof ProductGamesystem) {
+        const currentProductGamesystem = currentGamesystem as ProductGamesystem;
+        currentProductGamesystem.innerGamesystems.forEach(gamesystem => gamesystemQueue.push(gamesystem));
+      }
+    }
+  }
+
 }
diff --git a/src/app/side-overviews/gamescript-overview/gamescript-overview.component.html b/src/app/side-overviews/gamescript-overview/gamescript-overview.component.html
index e871b87..d8a0d79 100644
--- a/src/app/side-overviews/gamescript-overview/gamescript-overview.component.html
+++ b/src/app/side-overviews/gamescript-overview/gamescript-overview.component.html
@@ -1,14 +1,17 @@
-<mat-tree [dataSource]="dataSource" [treeControl]="treeControl">
+<mat-tree [dataSource]="dataSource" [treeControl]="treeControl" (contextmenu)="onContextMenu($event)">
   <!-- This is the tree node template for leaf nodes -->
-  <mat-tree-node *matTreeNodeDef="let node" matTreeNodePadding>
+  <mat-tree-node *matTreeNodeDef="let node" matTreeNodePadding matTreeNodePaddingIndent="10" [ngClass]="selectedGamesystem === node ? 'selected-node':''"
+                 (click)="onSelectGamesystem(node)" (contextmenu)="onSelectGamesystem(node)" (dblclick)="openGamesystemEditor(node)">
     <!-- use a disabled button to provide padding for tree leaf -->
-    <button mat-icon-button disabled></button>
+    <button mat-icon-button class="small-icon-button" [disabled]="true"></button>
     {{node.name}}
   </mat-tree-node>
   <!-- This is the tree node template for expandable nodes -->
-  <mat-tree-node *matTreeNodeDef="let node;when: hasChild" matTreeNodePadding>
+  <mat-tree-node *matTreeNodeDef="let node;when: hasChild" matTreeNodePadding matTreeNodePaddingIndent="10"
+                 (click)="onSelectGamesystem(node)" (contextmenu)="onSelectGamesystem(node)" [ngClass]="selectedGamesystem === node ? 'selected-node':''"
+                 (dblclick)="openGamesystemEditor(node)">
     <button mat-icon-button matTreeNodeToggle
-            [attr.aria-label]="'Toggle ' + node.name">
+            [attr.aria-label]="'Toggle ' + node.name" class="small-icon-button">
       <mat-icon class="mat-icon-rtl-mirror">
         {{treeControl.isExpanded(node) ? 'expand_more' : 'chevron_right'}}
       </mat-icon>
diff --git a/src/app/side-overviews/gamescript-overview/gamescript-overview.component.scss b/src/app/side-overviews/gamescript-overview/gamescript-overview.component.scss
index e69de29..6a35f58 100644
--- a/src/app/side-overviews/gamescript-overview/gamescript-overview.component.scss
+++ b/src/app/side-overviews/gamescript-overview/gamescript-overview.component.scss
@@ -0,0 +1,40 @@
+.mat-tree-node {
+  min-height: 1.8em !important;
+  height: 1.8em;
+}
+
+
+.small-icon-button {
+  width: 26px !important;
+  height: 26px !important;
+  padding: 0px !important;
+  display: inline-flex !important;
+  align-items: center;
+  justify-content: center;
+  margin-left: 5px;
+  margin-bottom: 2px;
+
+  & > *[role=img] {
+    width: 18px;
+    height: 18px;
+    font-size: 18px;
+
+    svg {
+      width: 18px;
+      height: 18px;
+    }
+  }
+
+  .mat-mdc-button-touch-target {
+    width: 22px !important;
+    height: 22px !important;
+  }
+}
+
+.small-icon-button mat-icon {
+  color: whitesmoke;
+}
+
+.selected-node {
+  background-color: #545456
+}
diff --git a/src/app/side-overviews/gamescript-overview/gamescript-overview.component.ts b/src/app/side-overviews/gamescript-overview/gamescript-overview.component.ts
index 0454cb9..c91c383 100644
--- a/src/app/side-overviews/gamescript-overview/gamescript-overview.component.ts
+++ b/src/app/side-overviews/gamescript-overview/gamescript-overview.component.ts
@@ -1,4 +1,4 @@
-import {Component, Input, OnInit} from '@angular/core';
+import {Component, EventEmitter, Input, OnInit, Output} from '@angular/core';
 import {Gamesystem} from "../../game-model/gamesystems/Gamesystem";
 import {State} from "../../game-model/gamesystems/State";
 import {Transition} from "../../game-model/gamesystems/Transition";
@@ -15,6 +15,7 @@ import {MatIcon} from "@angular/material/icon";
 import {MatIconButton} from "@angular/material/button";
 import {SimpleGamesystem} from "../../game-model/gamesystems/SimpleGamesystem";
 import {GameModel} from "../../game-model/GameModel";
+import {ElectronService} from "../../core/services";
 
 
 interface FlatNode {
@@ -30,6 +31,8 @@ interface FlatNode {
 export class GamescriptOverviewComponent implements OnInit {
 
   @Input('gameModel') gameModel: GameModel | undefined
+  @Output('openGamesystemEditor') openGamesystemEmitter : EventEmitter<Gamesystem<State<any>, Transition<any>>> = new EventEmitter<Gamesystem<State<any>, Transition<any>>>();
+
 
   ngOnInit() {
     this.dataSource.data = this.gameModel!.gamesystems;
@@ -56,13 +59,15 @@ export class GamescriptOverviewComponent implements OnInit {
   );
 
   dataSource = new MatTreeFlatDataSource(this.treeControl, this.treeFlattener);
+  selectedGamesystem: FlatNode | undefined;
 
-  constructor() {
+  constructor(private electronService: ElectronService) {
 
   }
 
   hasChild = (_: number, node: FlatNode) => node.expandable;
 
+
   isSimpleGamesystem(gamesystem: Gamesystem<State<any>, Transition<any>>) {
     return gamesystem instanceof SimpleGamesystem;
   }
@@ -70,4 +75,16 @@ export class GamescriptOverviewComponent implements OnInit {
   isProductGamesystem(gamesystem: Gamesystem<State<any>, Transition<any>>) {
     return gamesystem instanceof ProductGamesystem;
   }
+
+  onSelectGamesystem(node: FlatNode) {
+    this.selectedGamesystem = node;
+  }
+
+  onContextMenu(event: MouseEvent) {
+    this.electronService.ipcRenderer.send('context-menu', {x: event.x, y: event.y});
+  }
+
+  openGamesystemEditor(node: FlatNode) {
+    const gamesystem: Gamesystem<State<any>, Transition<any>>| undefined= this.gameModel!.findGamesystem(node.name);
+  }
 }