diff --git a/src/de/teamteamteam/spacescooter/background/Background.java b/src/de/teamteamteam/spacescooter/background/Background.java
index 5407c49..cf957d2 100644
--- a/src/de/teamteamteam/spacescooter/background/Background.java
+++ b/src/de/teamteamteam/spacescooter/background/Background.java
@@ -1,23 +1,11 @@
 package de.teamteamteam.spacescooter.background;
 
-import java.util.ArrayList;
-
 import de.teamteamteam.spacescooter.entity.Entity;
 
 public abstract class Background extends Entity {
 
-	public static ArrayList<Background> backgrounds = null;
-	
-	/**
-	 * We need to initialize the ArrayList, so the EntityUpdateThread won't beat us.
-	 */
-	static {
-		Background.backgrounds = new ArrayList<Background>();
-	}
-	
 	public Background(int x, int y) {
 		super(x, y);
-		Background.backgrounds.add(this);
 	}
 	
 }
diff --git a/src/de/teamteamteam/spacescooter/control/Keyboard.java b/src/de/teamteamteam/spacescooter/control/Keyboard.java
index 145d15c..cb0d5b4 100644
--- a/src/de/teamteamteam/spacescooter/control/Keyboard.java
+++ b/src/de/teamteamteam/spacescooter/control/Keyboard.java
@@ -70,7 +70,13 @@ public class Keyboard implements KeyListener {
 		Keyboard.listener.remove(listener);
 	}
 	
-	
+	/**
+	 * Make sure we only iterate over copies due to possible concurrent modification.
+	 * This method returns a copy of the listener list.
+	 */
+	public ArrayList<KeyboardListener> getListener() {
+		return new ArrayList<KeyboardListener>(Keyboard.listener);
+	}
 	/**
 	 * KeyListener method.
 	 * Registers the pressed key and passes the event on to registered listeners.
diff --git a/src/de/teamteamteam/spacescooter/entity/Player.java b/src/de/teamteamteam/spacescooter/entity/Player.java
index c80ccbc..49ea7bb 100644
--- a/src/de/teamteamteam/spacescooter/entity/Player.java
+++ b/src/de/teamteamteam/spacescooter/entity/Player.java
@@ -30,7 +30,6 @@ public class Player extends ShootingEntity implements KeyboardListener {
 	}
 
 	public void update() {
-		super.update();
 		if(this.canMove) {
 			super.update();
 			int off = 3;
diff --git a/src/de/teamteamteam/spacescooter/entity/explosion/Explosion.java b/src/de/teamteamteam/spacescooter/entity/explosion/Explosion.java
index 7fd1a4e..12ea650 100644
--- a/src/de/teamteamteam/spacescooter/entity/explosion/Explosion.java
+++ b/src/de/teamteamteam/spacescooter/entity/explosion/Explosion.java
@@ -58,7 +58,7 @@ public class Explosion extends Entity {
 	 */
 	public void update() {
 		this.timeToLive--;
-		if(this.timeToLive == 0) this.remove();
+		if(this.timeToLive <= 0) this.remove();
 		if(this.count > 0 && this.timeToLive % this.count == 0) {
 			new Explosion(this.getX() + (int) (this.width * this.random.nextDouble()), this.getY() + (int) (this.height * this.random.nextDouble()));
 			this.count--;
diff --git a/src/de/teamteamteam/spacescooter/screen/GamePausedScreen.java b/src/de/teamteamteam/spacescooter/screen/GamePausedScreen.java
index de1a889..1cf3100 100644
--- a/src/de/teamteamteam/spacescooter/screen/GamePausedScreen.java
+++ b/src/de/teamteamteam/spacescooter/screen/GamePausedScreen.java
@@ -91,7 +91,8 @@ public class GamePausedScreen extends Screen {
 				this.parent.setOverlay(null);
 				break;
 			case 1:
-				this.parent.setOverlay(new MainMenuScreen(this.parent));
+				//Replace our parents (the game) parent (the SuperScreen) overlay.
+				this.parent.parent.setOverlay(new MainMenuScreen(this.parent.parent));
 				break;
 			}
 		}