diff --git a/src/common/helpers.js b/src/common/helpers.js
index 2f70cb7..6dc9732 100644
--- a/src/common/helpers.js
+++ b/src/common/helpers.js
@@ -22,3 +22,7 @@ export function getIntersection(a, b, out = new Rectangle()) {
 
     return out;
 }
+
+export function getRandomInt(max) {
+    return Math.floor(Math.random() * max);
+}
diff --git a/src/common/index.js b/src/common/index.js
index a0a301e..7406164 100644
--- a/src/common/index.js
+++ b/src/common/index.js
@@ -1,4 +1,5 @@
 export { backgroundLayout } from "./layouts";
 export { makeDragable, makeUnDragable } from "./dragAndDrop";
 export { getIntersection } from "./helpers";
+export { getRandomInt } from "./helpers";
 export { KeyBoardListener } from "./keyBoardEvents";
diff --git a/src/gameManager.js b/src/gameManager.js
new file mode 100644
index 0000000..7487416
--- /dev/null
+++ b/src/gameManager.js
@@ -0,0 +1,65 @@
+import { getRandomInt } from "./common";
+import { Fridge, Opinator, SmartMonday, CleanupHS } from "./games";
+
+/**
+ * manages the game lifecyle, starting a game, handeling game end and starting a new one
+ * lvl up etc.
+ */
+export class GameManager {
+    constructor(app, gameContainter) {
+        this._app = app;
+        this._gameContainer = gameContainter;
+        this._difficulty = 1;
+
+        const opinator = new Opinator(app.ticker);
+        const fridge = new Fridge(app.ticker);
+        const smartMonday = new SmartMonday(app.ticker);
+        const cleanupHS = new CleanupHS(
+            app.stage.width,
+            app.stage.height,
+            app.ticker,
+        );
+
+        this._games = [opinator, fridge, smartMonday, cleanupHS];
+
+        this._playedGamesIds = [];
+        this._unPlayedGamesIds = [];
+        for (var i = 0; i < this._games.length; i++) {
+            this._unPlayedGamesIds.push(i);
+        }
+        this._currentGame = undefined;
+    }
+
+    start() {
+        this.nextGame();
+    }
+
+    nextGame() {
+        const unplayedLength = this._unPlayedGamesIds.length;
+        if (unplayedLength == 0) {
+            console.log("level up");
+            this._difficulty += 1;
+            this._unPlayedGamesIds = this._playedGamesIds;
+            this._playedGamesIds = [];
+        }
+
+        const nextIndex = getRandomInt(unplayedLength);
+        const nextId = this._unPlayedGamesIds[nextIndex];
+        console.log(nextIndex, this._playedGamesIds, this._unPlayedGamesIds);
+        this._playedGamesIds.push(this._unPlayedGamesIds[nextIndex]);
+        this._unPlayedGamesIds.splice(nextIndex, 1);
+        this._currentGame = this._games[nextId];
+        this._currentGame.onEnd = (status) => {
+            this._onGameEnd(status);
+        };
+        this._gameContainer.addChild(this._currentGame.gameContainer);
+        this._currentGame.start();
+    }
+
+    _onGameEnd(status) {
+        console.log("game end", status);
+        this._gameContainer.removeChild(this._currentGame.gameContainer);
+        console.log("next !");
+        this.nextGame();
+    }
+}
diff --git a/src/games/game.js b/src/games/game.js
index 39db0ce..ad4525e 100644
--- a/src/games/game.js
+++ b/src/games/game.js
@@ -4,6 +4,7 @@ export class Game {
     constructor() {
         this._difficulty = 1;
         this.won = false;
+        this.onEnd = () => {};
 
         this.gameContainer = new Container(); // main container, to add the game to a node, add this container as a child
         this.gameContainer.layout = true;
@@ -56,9 +57,9 @@ export class Game {
 
     /* status indicates if its a win or a loss */
     end(status) {
-        this.win = status;
+        this.won = status;
         console.log(status ? "game won" : "game lost");
-        // we probably want to call a callback here
+        this.onEnd(status);
     }
 
     _addGameObjectChild(node) {
diff --git a/src/games/timedGame.js b/src/games/timedGame.js
index 256c4e8..293d747 100644
--- a/src/games/timedGame.js
+++ b/src/games/timedGame.js
@@ -61,6 +61,6 @@ export class TimedGame extends Game {
 
     _onTimeout() {
         console.log("time end");
-        this.end(this._win);
+        this.end(this.won);
     }
 }
diff --git a/src/main.js b/src/main.js
index f3fa10c..6e7a433 100644
--- a/src/main.js
+++ b/src/main.js
@@ -2,6 +2,7 @@ import "@pixi/layout";
 import { Application, Assets, Container, Sprite } from "pixi.js";
 import { Fridge, Opinator, SmartMonday, CleanupHS } from "./games";
 import { backgroundLayout, KeyBoardListener } from "./common";
+import { GameManager } from "./gameManager";
 
 const app = new Application();
 let root = new Container();
@@ -96,6 +97,12 @@ function switchToGame(gameContainer, newGame) {
         maxHeight: "100%",
         margin: 0,
     };
+    root.addChild(gameContainter);
+
+    const manager = new GameManager(app, gameContainter);
+    manager.start();
+
+    /*
     const opinator = new Opinator(app.ticker);
     const fridge = new Fridge(app.ticker);
     const smartMonday = new SmartMonday(app.ticker);
@@ -103,7 +110,6 @@ function switchToGame(gameContainer, newGame) {
     let currentGame = cleanupHS;
     gameContainter.addChild(currentGame.gameContainer);
 
-    root.addChild(gameContainter);
-
     currentGame.start();
+    */
 })();
diff --git a/todo.md b/todo.md
index 05cb93e..4acc5ad 100644
--- a/todo.md
+++ b/todo.md
@@ -2,6 +2,3 @@
 
 - diplay info
     - game result
-    - game
-        - game name
-        - play instruction