diff --git a/.idea/artifacts/Programmieren_2_jar.xml b/.idea/artifacts/Programmieren_2_jar.xml
index 889daac..f0cf1a4 100644
--- a/.idea/artifacts/Programmieren_2_jar.xml
+++ b/.idea/artifacts/Programmieren_2_jar.xml
@@ -1,5 +1,5 @@
 <component name="ArtifactManager">
-  <artifact type="jar" name="Programmieren 2:jar">
+  <artifact type="jar" build-on-make="true" name="Programmieren 2:jar">
     <output-path>$PROJECT_DIR$/out/artifacts/Programmieren_2_jar</output-path>
     <root id="archive" name="Programmieren 2.jar">
       <element id="module-output" name="Programmieren 2" />
diff --git a/SuperPangWorld/src/de/thdeg/greiner/superpangworld/game/managers/GameObjectManager.java b/SuperPangWorld/src/de/thdeg/greiner/superpangworld/game/managers/GameObjectManager.java
index 27f7834..6d1241b 100644
--- a/SuperPangWorld/src/de/thdeg/greiner/superpangworld/game/managers/GameObjectManager.java
+++ b/SuperPangWorld/src/de/thdeg/greiner/superpangworld/game/managers/GameObjectManager.java
@@ -1,10 +1,13 @@
 package de.thdeg.greiner.superpangworld.game.managers;
 
 import de.thdeg.greiner.superpangworld.gameview.GameView;
+import de.thdeg.greiner.superpangworld.graphics.base.Bubble;
+import de.thdeg.greiner.superpangworld.graphics.base.GameObject;
 import de.thdeg.greiner.superpangworld.graphics.immovable.*;
 import de.thdeg.greiner.superpangworld.graphics.moveable.*;
 
 import java.awt.*;
+import java.util.LinkedList;
 
 /**
  * The manager handling the display and passive movement of the game objects.
@@ -15,10 +18,8 @@ class GameObjectManager {
     private GameView gameView;
 
     /** The game objects */
-    private RoundBubble roundBubble;
-    private HexagonalBubble hexBubble;
-    private SpecialBubble specialBubble;
-    private Harpoon harpoon;
+    private LinkedList<Bubble> bubbles;
+    private LinkedList<Harpoon> harpoons;
     private LevelProgressBar levelProgressBar;
     private LevelLabel levelLabel;
     private ScoreLabel scoreLabel;
@@ -26,20 +27,25 @@ class GameObjectManager {
     private Background background;
     private Player player;
 
+    private LinkedList<GameObject> gameObjects;
+
     /**
      * Create a manager handling the display and passive movement of the game objects.
      * @param gameView the GameView
      */
     public GameObjectManager(GameView gameView){
         this.gameView = gameView;
-
         gameView.setColorForBlockImage('k', Color.LIGHT_GRAY);
 
-        this.roundBubble = new RoundBubble(gameView);
-        this.hexBubble = new HexagonalBubble(gameView);
-        this.specialBubble = new SpecialBubble(gameView);
+        bubbles = new LinkedList<>();
+        harpoons = new LinkedList<>();
+        gameObjects = new LinkedList<>();
 
-        this.harpoon = new Harpoon(gameView);
+        bubbles.add(new RoundBubble(gameView));
+        bubbles.add(new HexagonalBubble(gameView));
+        bubbles.add(new SpecialBubble(gameView));
+
+        harpoons.add(new Harpoon(gameView));
 
         this.levelProgressBar = new LevelProgressBar(gameView);
         this.levelLabel = new LevelLabel(gameView);
@@ -57,22 +63,21 @@ class GameObjectManager {
      * Add the objects to the canvas and handle update their positions.
      */
     public void updateGameObjects(){
-        background.addToCanvas();
-        roundBubble.updatePosition();
-        roundBubble.addToCanvas();
-        hexBubble.updatePosition();
-        hexBubble.addToCanvas();
-        specialBubble.updatePosition();
-        specialBubble.addToCanvas();
-        harpoon.updatePosition();
-        harpoon.addToCanvas();
+        gameObjects.clear();
+        gameObjects.add(background);
+        gameObjects.addAll(bubbles);
+        gameObjects.addAll(harpoons);
+        gameObjects.add(levelProgressBar);
+        gameObjects.add(levelLabel);
+        gameObjects.add(scoreLabel);
+        gameObjects.add(livesIcon);
+        gameObjects.add(player);
 
-        levelProgressBar.addToCanvas();
-        levelLabel.addToCanvas();
-        scoreLabel.addToCanvas();
-        livesIcon.addToCanvas();
-
-        player.addToCanvas();
+        gameObjects.forEach(gameObject ->{
+            gameObject.updatePosition();
+            gameObject.updateStatus();
+            gameObject.addToCanvas();
+        });
     }
 
     /**
@@ -83,4 +88,19 @@ class GameObjectManager {
         return player;
     }
 
+    /**
+     * Get the bubbles.
+     * @return the bubbles
+     */
+    public LinkedList<Bubble> getBubbles() {
+        return bubbles;
+    }
+
+    /**
+     * Get the harpoons.
+     * @return the harpoons
+     */
+    public LinkedList<Harpoon> getHarpoons() {
+        return harpoons;
+    }
 }
diff --git a/SuperPangWorld/src/de/thdeg/greiner/superpangworld/graphics/base/GameObject.java b/SuperPangWorld/src/de/thdeg/greiner/superpangworld/graphics/base/GameObject.java
index b36bba7..a06e99c 100644
--- a/SuperPangWorld/src/de/thdeg/greiner/superpangworld/graphics/base/GameObject.java
+++ b/SuperPangWorld/src/de/thdeg/greiner/superpangworld/graphics/base/GameObject.java
@@ -49,6 +49,13 @@ public abstract class GameObject {
 
     }
 
+    /**
+     * Updates the game object's status.
+     */
+    public void updateStatus(){
+
+    }
+
     /**
      * Set the responsible GamePlayManager.
      * @param gamePlayManager the responsible GamePlayManager
@@ -64,4 +71,5 @@ public abstract class GameObject {
     public Position getPosition(){
         return position;
     }
+
 }
diff --git a/out/artifacts/Programmieren_2_jar/Programmieren 2.jar b/out/artifacts/Programmieren_2_jar/Programmieren 2.jar
index d77d84d..c429177 100644
Binary files a/out/artifacts/Programmieren_2_jar/Programmieren 2.jar and b/out/artifacts/Programmieren_2_jar/Programmieren 2.jar differ