diff --git a/bin/.gitignore b/bin/.gitignore
deleted file mode 100644
index b37a95c..0000000
--- a/bin/.gitignore
+++ /dev/null
@@ -1,2 +0,0 @@
-/playground/
-/base/
diff --git a/bin/base/GameLoop.class b/bin/base/GameLoop.class
index f7e05ed..622e7da 100644
Binary files a/bin/base/GameLoop.class and b/bin/base/GameLoop.class differ
diff --git a/bin/base/MultiLevelGame.class b/bin/base/MultiLevelGame.class
index 7323e32..002eaca 100644
Binary files a/bin/base/MultiLevelGame.class and b/bin/base/MultiLevelGame.class differ
diff --git a/bin/collider/CircleCollider.class b/bin/collider/CircleCollider.class
index cbceffb..52d2604 100644
Binary files a/bin/collider/CircleCollider.class and b/bin/collider/CircleCollider.class differ
diff --git a/bin/collider/Collider.class b/bin/collider/Collider.class
index e4dc350..93bfda2 100644
Binary files a/bin/collider/Collider.class and b/bin/collider/Collider.class differ
diff --git a/bin/collider/RectCollider.class b/bin/collider/RectCollider.class
index 4b96688..3153b9d 100644
Binary files a/bin/collider/RectCollider.class and b/bin/collider/RectCollider.class differ
diff --git a/bin/controller/CollisionAwareEgoController.class b/bin/controller/CollisionAwareEgoController.class
index 9239e51..b172cc2 100644
Binary files a/bin/controller/CollisionAwareEgoController.class and b/bin/controller/CollisionAwareEgoController.class differ
diff --git a/bin/controller/EgoController.class b/bin/controller/EgoController.class
index 07437bf..b6d0899 100644
Binary files a/bin/controller/EgoController.class and b/bin/controller/EgoController.class differ
diff --git a/bin/controller/EnemyController.class b/bin/controller/EnemyController.class
index 2db22f2..054502e 100644
Binary files a/bin/controller/EnemyController.class and b/bin/controller/EnemyController.class differ
diff --git a/bin/controller/FallingStarController.class b/bin/controller/FallingStarController.class
index 382398e..0a00913 100644
Binary files a/bin/controller/FallingStarController.class and b/bin/controller/FallingStarController.class differ
diff --git a/bin/controller/LimitedTimeController.class b/bin/controller/LimitedTimeController.class
index 5fe4657..d0ce258 100644
Binary files a/bin/controller/LimitedTimeController.class and b/bin/controller/LimitedTimeController.class differ
diff --git a/bin/controller/MineController.class b/bin/controller/MineController.class
index 2b5c829..3b397b2 100644
Binary files a/bin/controller/MineController.class and b/bin/controller/MineController.class differ
diff --git a/bin/controller/ObjectController.class b/bin/controller/ObjectController.class
index 64bc00b..dce7b55 100644
Binary files a/bin/controller/ObjectController.class and b/bin/controller/ObjectController.class differ
diff --git a/bin/controller/SimpleShotController.class b/bin/controller/SimpleShotController.class
index aa56f80..98bca0d 100644
Binary files a/bin/controller/SimpleShotController.class and b/bin/controller/SimpleShotController.class differ
diff --git a/bin/controller/ZickZackController.class b/bin/controller/ZickZackController.class
index 824b238..1f2afd5 100644
Binary files a/bin/controller/ZickZackController.class and b/bin/controller/ZickZackController.class differ
diff --git a/bin/controller/package-info.class b/bin/controller/package-info.class
index 7e34aca..b216583 100644
Binary files a/bin/controller/package-info.class and b/bin/controller/package-info.class differ
diff --git a/bin/gameobjects/AnimatedGameobject.class b/bin/gameobjects/AnimatedGameobject.class
index 6abe7a0..eb63ccf 100644
Binary files a/bin/gameobjects/AnimatedGameobject.class and b/bin/gameobjects/AnimatedGameobject.class differ
diff --git a/bin/gameobjects/EgoObject.class b/bin/gameobjects/EgoObject.class
index 6c1322b..247a11d 100644
Binary files a/bin/gameobjects/EgoObject.class and b/bin/gameobjects/EgoObject.class differ
diff --git a/bin/gameobjects/FallingStar.class b/bin/gameobjects/FallingStar.class
index 9a859e3..68ec9b4 100644
Binary files a/bin/gameobjects/FallingStar.class and b/bin/gameobjects/FallingStar.class differ
diff --git a/bin/gameobjects/GameObject.class b/bin/gameobjects/GameObject.class
index 8bfaf09..539067b 100644
Binary files a/bin/gameobjects/GameObject.class and b/bin/gameobjects/GameObject.class differ
diff --git a/bin/gameobjects/RectObject.class b/bin/gameobjects/RectObject.class
index d6cb125..d79244d 100644
Binary files a/bin/gameobjects/RectObject.class and b/bin/gameobjects/RectObject.class differ
diff --git a/bin/gameobjects/TextObject.class b/bin/gameobjects/TextObject.class
index c3d0dca..9d49ab2 100644
Binary files a/bin/gameobjects/TextObject.class and b/bin/gameobjects/TextObject.class differ
diff --git a/bin/playground/.gitignore b/bin/playground/.gitignore
new file mode 100644
index 0000000..b8eedc7
--- /dev/null
+++ b/bin/playground/.gitignore
@@ -0,0 +1,4 @@
+/Level5.class
+/Level6.class
+/Level7.class
+/SpaceInvadersLevelAua.class
diff --git a/bin/playground/Animation.class b/bin/playground/Animation.class
index 4d28b93..fbeadbd 100644
Binary files a/bin/playground/Animation.class and b/bin/playground/Animation.class differ
diff --git a/bin/playground/HighscoreManager.class b/bin/playground/HighscoreManager.class
index 32159f9..b197dfd 100644
Binary files a/bin/playground/HighscoreManager.class and b/bin/playground/HighscoreManager.class differ
diff --git a/bin/playground/Level1.class b/bin/playground/Level1.class
index 59679d9..f91dbbd 100644
Binary files a/bin/playground/Level1.class and b/bin/playground/Level1.class differ
diff --git a/bin/playground/Level2.class b/bin/playground/Level2.class
index 4a41574..e94cc19 100644
Binary files a/bin/playground/Level2.class and b/bin/playground/Level2.class differ
diff --git a/bin/playground/Level3.class b/bin/playground/Level3.class
index 7e21add..b5b8d67 100644
Binary files a/bin/playground/Level3.class and b/bin/playground/Level3.class differ
diff --git a/bin/playground/Level4.class b/bin/playground/Level4.class
index b0262d6..ffdd295 100644
Binary files a/bin/playground/Level4.class and b/bin/playground/Level4.class differ
diff --git a/bin/playground/LevelBoss.class b/bin/playground/LevelBoss.class
index 1c11386..ac769e0 100644
Binary files a/bin/playground/LevelBoss.class and b/bin/playground/LevelBoss.class differ
diff --git a/bin/playground/LevelHitTwice.class b/bin/playground/LevelHitTwice.class
index f1669cc..1f37637 100644
Binary files a/bin/playground/LevelHitTwice.class and b/bin/playground/LevelHitTwice.class differ
diff --git a/bin/playground/Music$1.class b/bin/playground/Music$1.class
index 5034f85..55c56c5 100644
Binary files a/bin/playground/Music$1.class and b/bin/playground/Music$1.class differ
diff --git a/bin/playground/Music.class b/bin/playground/Music.class
index ffe6333..0fe9a07 100644
Binary files a/bin/playground/Music.class and b/bin/playground/Music.class differ
diff --git a/bin/playground/Playground.class b/bin/playground/Playground.class
index 2ae9b31..2ba95eb 100644
Binary files a/bin/playground/Playground.class and b/bin/playground/Playground.class differ
diff --git a/bin/playground/SaveGame.class b/bin/playground/SaveGame.class
index 851d3ad..ba44192 100644
Binary files a/bin/playground/SaveGame.class and b/bin/playground/SaveGame.class differ
diff --git a/bin/playground/SpaceInvadersLevel.class b/bin/playground/SpaceInvadersLevel.class
index 23150e2..430ce8e 100644
Binary files a/bin/playground/SpaceInvadersLevel.class and b/bin/playground/SpaceInvadersLevel.class differ
diff --git a/bin/playground/SpaceInvadersLevelTest.class b/bin/playground/SpaceInvadersLevelTest.class
index 697e34f..2ec45de 100644
Binary files a/bin/playground/SpaceInvadersLevelTest.class and b/bin/playground/SpaceInvadersLevelTest.class differ
diff --git a/bin/rendering/AnimationArtist.class b/bin/rendering/AnimationArtist.class
index ee871e6..8a9383d 100644
Binary files a/bin/rendering/AnimationArtist.class and b/bin/rendering/AnimationArtist.class differ
diff --git a/bin/rendering/Artist.class b/bin/rendering/Artist.class
index 923c0b4..f705209 100644
Binary files a/bin/rendering/Artist.class and b/bin/rendering/Artist.class differ
diff --git a/bin/rendering/CircleArtist.class b/bin/rendering/CircleArtist.class
index f2bd313..0542963 100644
Binary files a/bin/rendering/CircleArtist.class and b/bin/rendering/CircleArtist.class differ
diff --git a/bin/rendering/RectArtist.class b/bin/rendering/RectArtist.class
index 492f6ac..ecaf1b7 100644
Binary files a/bin/rendering/RectArtist.class and b/bin/rendering/RectArtist.class differ
diff --git a/bin/rendering/TextArtist.class b/bin/rendering/TextArtist.class
index 2552d89..44036e8 100644
Binary files a/bin/rendering/TextArtist.class and b/bin/rendering/TextArtist.class differ
diff --git a/bin/ui/AboutFrame$1.class b/bin/ui/AboutFrame$1.class
index 9708508..044a2a4 100644
Binary files a/bin/ui/AboutFrame$1.class and b/bin/ui/AboutFrame$1.class differ
diff --git a/bin/ui/AboutFrame.class b/bin/ui/AboutFrame.class
index e6d6169..1637879 100644
Binary files a/bin/ui/AboutFrame.class and b/bin/ui/AboutFrame.class differ
diff --git a/bin/ui/GamePanel.class b/bin/ui/GamePanel.class
index 0cacf59..0a86284 100644
Binary files a/bin/ui/GamePanel.class and b/bin/ui/GamePanel.class differ
diff --git a/bin/ui/GameUI.class b/bin/ui/GameUI.class
index 3d403d3..bf31ff8 100644
Binary files a/bin/ui/GameUI.class and b/bin/ui/GameUI.class differ
diff --git a/log/log4j.log b/log/log4j.log
index 0d32094..c9e9f19 100644
--- a/log/log4j.log
+++ b/log/log4j.log
@@ -183,3 +183,98 @@
 2022-04-24 15:33:34,404 INFO  playground.SpaceInvadersLevel - no enemies left, level done.
 2022-04-24 15:33:34,404 INFO  base.GameLoop - reached end of levels
 2022-04-24 15:33:34,404 INFO  base.GameLoop - Game ends. Bye.
+2022-04-28 09:01:52,704 INFO  base.GameLoop - GUI starts
+2022-04-28 09:01:56,523 INFO  base.GameLoop - GUI NEW
+2022-04-28 09:01:56,524 INFO  playground.SpaceInvadersLevel - PREPARE
+2022-04-28 09:01:56,540 INFO  playground.Animation - img added .\video/sweetAlien0.png
+2022-04-28 09:01:56,542 INFO  playground.Animation - img added .\video/sweetAlien1.png
+2022-04-28 09:01:56,543 INFO  playground.Animation - img added .\video/sweetAlien2.png
+2022-04-28 09:01:56,544 INFO  playground.Animation - img added .\video/sweetAlien3.png
+2022-04-28 09:01:56,546 INFO  playground.Animation - img added .\video/sweetAlien4.png
+2022-04-28 09:01:56,547 INFO  playground.Animation - img added .\video/sweetAlien5.png
+2022-04-28 09:01:56,548 INFO  playground.Animation - img added .\video/sweetAlien6.png
+2022-04-28 09:01:56,549 INFO  playground.Animation - img added .\video/sweetAlien7.png
+2022-04-28 09:01:56,551 INFO  playground.Animation - img added .\video/heart0.png
+2022-04-28 09:01:56,552 INFO  playground.Animation - img added .\video/heart1.png
+2022-04-28 09:01:56,553 INFO  playground.SpaceInvadersLevel - HIGHSCORE22500
+2022-04-28 09:02:23,786 INFO  playground.SpaceInvadersLevel - no enemies left, level done.
+2022-04-28 09:02:23,786 INFO  playground.SpaceInvadersLevel - PREPARE
+2022-04-28 09:02:23,788 INFO  playground.Animation - img added .\video/sweetAlien0.png
+2022-04-28 09:02:23,789 INFO  playground.Animation - img added .\video/sweetAlien1.png
+2022-04-28 09:02:23,790 INFO  playground.Animation - img added .\video/sweetAlien2.png
+2022-04-28 09:02:23,791 INFO  playground.Animation - img added .\video/sweetAlien3.png
+2022-04-28 09:02:23,791 INFO  playground.Animation - img added .\video/sweetAlien4.png
+2022-04-28 09:02:23,792 INFO  playground.Animation - img added .\video/sweetAlien5.png
+2022-04-28 09:02:23,793 INFO  playground.Animation - img added .\video/sweetAlien6.png
+2022-04-28 09:02:23,794 INFO  playground.Animation - img added .\video/sweetAlien7.png
+2022-04-28 09:02:23,795 INFO  playground.Animation - img added .\video/heart0.png
+2022-04-28 09:02:23,796 INFO  playground.Animation - img added .\video/heart1.png
+2022-04-28 09:02:23,797 INFO  playground.SpaceInvadersLevel - HIGHSCORE22500
+2022-04-28 09:02:45,225 INFO  playground.SpaceInvadersLevel - no enemies left, level done.
+2022-04-28 09:02:45,225 INFO  playground.SpaceInvadersLevel - PREPARE
+2022-04-28 09:02:45,226 INFO  playground.Animation - img added .\video/sweetAlien0.png
+2022-04-28 09:02:45,227 INFO  playground.Animation - img added .\video/sweetAlien1.png
+2022-04-28 09:02:45,228 INFO  playground.Animation - img added .\video/sweetAlien2.png
+2022-04-28 09:02:45,229 INFO  playground.Animation - img added .\video/sweetAlien3.png
+2022-04-28 09:02:45,229 INFO  playground.Animation - img added .\video/sweetAlien4.png
+2022-04-28 09:02:45,230 INFO  playground.Animation - img added .\video/sweetAlien5.png
+2022-04-28 09:02:45,231 INFO  playground.Animation - img added .\video/sweetAlien6.png
+2022-04-28 09:02:45,231 INFO  playground.Animation - img added .\video/sweetAlien7.png
+2022-04-28 09:02:45,233 INFO  playground.Animation - img added .\video/heart0.png
+2022-04-28 09:02:45,233 INFO  playground.Animation - img added .\video/heart1.png
+2022-04-28 09:02:45,234 INFO  playground.SpaceInvadersLevel - HIGHSCORE22500
+2022-04-28 09:03:02,925 INFO  playground.SpaceInvadersLevel - no enemies left, level done.
+2022-04-28 09:03:02,925 INFO  playground.SpaceInvadersLevel - PREPARE
+2022-04-28 09:03:02,927 INFO  playground.Animation - img added .\video/sweetAlien0.png
+2022-04-28 09:03:02,928 INFO  playground.Animation - img added .\video/sweetAlien1.png
+2022-04-28 09:03:02,928 INFO  playground.Animation - img added .\video/sweetAlien2.png
+2022-04-28 09:03:02,929 INFO  playground.Animation - img added .\video/sweetAlien3.png
+2022-04-28 09:03:02,930 INFO  playground.Animation - img added .\video/sweetAlien4.png
+2022-04-28 09:03:02,930 INFO  playground.Animation - img added .\video/sweetAlien5.png
+2022-04-28 09:03:02,931 INFO  playground.Animation - img added .\video/sweetAlien6.png
+2022-04-28 09:03:02,932 INFO  playground.Animation - img added .\video/sweetAlien7.png
+2022-04-28 09:03:02,933 INFO  playground.Animation - img added .\video/heart0.png
+2022-04-28 09:03:02,934 INFO  playground.Animation - img added .\video/heart1.png
+2022-04-28 09:03:02,934 INFO  playground.SpaceInvadersLevel - HIGHSCORE22500
+2022-04-28 09:03:07,243 INFO  playground.SpaceInvadersLevel - no enemies left, level done.
+2022-04-28 09:03:07,243 INFO  playground.SpaceInvadersLevel - PREPARE
+2022-04-28 09:03:07,244 INFO  playground.Animation - img added .\video/sweetAlien0.png
+2022-04-28 09:03:07,245 INFO  playground.Animation - img added .\video/sweetAlien1.png
+2022-04-28 09:03:07,246 INFO  playground.Animation - img added .\video/sweetAlien2.png
+2022-04-28 09:03:07,246 INFO  playground.Animation - img added .\video/sweetAlien3.png
+2022-04-28 09:03:07,247 INFO  playground.Animation - img added .\video/sweetAlien4.png
+2022-04-28 09:03:07,248 INFO  playground.Animation - img added .\video/sweetAlien5.png
+2022-04-28 09:03:07,248 INFO  playground.Animation - img added .\video/sweetAlien6.png
+2022-04-28 09:03:07,249 INFO  playground.Animation - img added .\video/sweetAlien7.png
+2022-04-28 09:03:07,250 INFO  playground.Animation - img added .\video/heart0.png
+2022-04-28 09:03:07,251 INFO  playground.Animation - img added .\video/heart1.png
+2022-04-28 09:03:07,251 INFO  playground.SpaceInvadersLevel - HIGHSCORE22500
+2022-04-28 09:03:12,373 INFO  playground.SpaceInvadersLevel - no enemies left, level done.
+2022-04-28 09:03:12,373 INFO  playground.SpaceInvadersLevel - PREPARE
+2022-04-28 09:03:12,374 INFO  playground.Animation - img added .\video/sweetAlien0.png
+2022-04-28 09:03:12,375 INFO  playground.Animation - img added .\video/sweetAlien1.png
+2022-04-28 09:03:12,376 INFO  playground.Animation - img added .\video/sweetAlien2.png
+2022-04-28 09:03:12,376 INFO  playground.Animation - img added .\video/sweetAlien3.png
+2022-04-28 09:03:12,377 INFO  playground.Animation - img added .\video/sweetAlien4.png
+2022-04-28 09:03:12,378 INFO  playground.Animation - img added .\video/sweetAlien5.png
+2022-04-28 09:03:12,378 INFO  playground.Animation - img added .\video/sweetAlien6.png
+2022-04-28 09:03:12,379 INFO  playground.Animation - img added .\video/sweetAlien7.png
+2022-04-28 09:03:12,380 INFO  playground.Animation - img added .\video/heart0.png
+2022-04-28 09:03:12,381 INFO  playground.Animation - img added .\video/heart1.png
+2022-04-28 09:03:12,381 INFO  playground.SpaceInvadersLevel - HIGHSCORE22500
+2022-04-28 09:03:19,579 INFO  playground.SpaceInvadersLevel - no enemies left, level done.
+2022-04-28 09:03:19,579 INFO  playground.SpaceInvadersLevel - PREPARE
+2022-04-28 09:03:19,580 INFO  playground.Animation - img added .\video/sweetAlien0.png
+2022-04-28 09:03:19,581 INFO  playground.Animation - img added .\video/sweetAlien1.png
+2022-04-28 09:03:19,582 INFO  playground.Animation - img added .\video/sweetAlien2.png
+2022-04-28 09:03:19,583 INFO  playground.Animation - img added .\video/sweetAlien3.png
+2022-04-28 09:03:19,583 INFO  playground.Animation - img added .\video/sweetAlien4.png
+2022-04-28 09:03:19,584 INFO  playground.Animation - img added .\video/sweetAlien5.png
+2022-04-28 09:03:19,585 INFO  playground.Animation - img added .\video/sweetAlien6.png
+2022-04-28 09:03:19,585 INFO  playground.Animation - img added .\video/sweetAlien7.png
+2022-04-28 09:03:19,586 INFO  playground.Animation - img added .\video/heart0.png
+2022-04-28 09:03:19,587 INFO  playground.Animation - img added .\video/heart1.png
+2022-04-28 09:03:19,588 INFO  playground.SpaceInvadersLevel - HIGHSCORE22500
+2022-04-28 09:03:32,372 INFO  playground.SpaceInvadersLevel - no enemies left, level done.
+2022-04-28 09:03:32,372 INFO  base.GameLoop - reached end of levels
+2022-04-28 09:03:32,372 INFO  base.GameLoop - Game ends. Bye.
diff --git a/src/playground/Level5.java b/src/playground/Level5.java
index 4b838de..8a82893 100644
--- a/src/playground/Level5.java
+++ b/src/playground/Level5.java
@@ -1,3 +1,4 @@
+//neues Level von Coding Team 66
 package playground;
 
 
@@ -11,14 +12,19 @@ public class Level5 extends SpaceInvadersLevelAua {
     return "Level5, get ready!";
   }
   
+  //number of Enemys
   @Override
   protected int calcNrEnemies() {
 	  return 5;
   }
+  
+  //speed of Enemys in X-Direction
   @Override
   protected double calcEnemySpeedX() {
 	  return 160;
   }
+  
+  //speed of Enemys in Y-Direction
   @Override
   protected double calcEnemySpeedY() {
 	  return 80;
diff --git a/src/playground/Level6.java b/src/playground/Level6.java
index e97acb1..cf38c86 100644
--- a/src/playground/Level6.java
+++ b/src/playground/Level6.java
@@ -1,3 +1,4 @@
+//neues Level von Team 66
 package playground;
 
 
@@ -11,14 +12,19 @@ public class Level6 extends SpaceInvadersLevelAua {
     return "Level6, get ready!";
   }
   
+  // number of Enemys
   @Override
   protected int calcNrEnemies() {
 	  return 12;
   }
+  
+  //speed of Enemys in X-Direction
   @Override
   protected double calcEnemySpeedX() {
 	  return 480;
   }
+  
+  //speed of Enemys in Y-Direction
   @Override
   protected double calcEnemySpeedY() {
 	  return 80;
diff --git a/src/playground/Level7.java b/src/playground/Level7.java
index d10d894..9e7e1fc 100644
--- a/src/playground/Level7.java
+++ b/src/playground/Level7.java
@@ -1,3 +1,4 @@
+//neues Level von Team 66
 package playground;
 
 
@@ -10,14 +11,20 @@ public class Level7 extends SpaceInvadersLevelAua {
   protected String getStartupMessage() {
     return "Level7, get ready!";
   }
+  
+  //number of Enemys
   @Override
   protected int calcNrEnemies() {
 	  return 21;
   }
+  
+  //speed of Enemys in X-Direction
   @Override
   protected double calcEnemySpeedX() {
 	  return 800;
   }
+  
+  //speed of Enemys in Y-Direction
   @Override
   protected double calcEnemySpeedY() {
 	  return 140;
diff --git a/src/playground/SpaceInvadersLevelAua.java b/src/playground/SpaceInvadersLevelAua.java
index 8087f58..8830dc5 100644
--- a/src/playground/SpaceInvadersLevelAua.java
+++ b/src/playground/SpaceInvadersLevelAua.java
@@ -1,3 +1,4 @@
+//neue Unterklasse von SpaceInvadersLevel von Teamm 66
 package playground;
 
 // import utilities.* ;
@@ -48,6 +49,8 @@ public class SpaceInvadersLevelAua extends SpaceInvadersLevel {
    * @param e enemy which was hit
    * @param shot the shot object that hit the enemy
    */
+  //überschreibt Ausgabe auf Konsole: "AUA!!"
+  @Override
   void actionIfEnemyIsHit(GameObject e, GameObject shot) {
 
     double gameTime = this.getGameTime();