diff --git a/GameProject/src/playground/Level5.java b/GameProject/src/playground/Level5.java
index 0e705e4..f7c8c99 100644
--- a/GameProject/src/playground/Level5.java
+++ b/GameProject/src/playground/Level5.java
@@ -3,19 +3,24 @@ package playground;
 
 
 public class Level5 extends Level5to7{
+	
+	protected static final double ENEMYSPEEDX = 160;
+	protected static final double ENEMYSPEEDY = 80;
+	protected static final int NR_ENEMIES = 5;
+	
 	@Override
 	protected int calcNrEnemies() {
-	    return 5;
+	    return NR_ENEMIES;
 	  }
 	
 	@Override 
 	 protected double calcEnemySpeedX() {
-	    return 160;
+	    return ENEMYSPEEDX;
 	  }
 	
 	@Override
 	protected double calcEnemySpeedY() {
-	    return 80;
+	    return ENEMYSPEEDY;
 	  }
 	
 	@Override
diff --git a/GameProject/src/playground/Level6.java b/GameProject/src/playground/Level6.java
index 583d212..3442045 100644
--- a/GameProject/src/playground/Level6.java
+++ b/GameProject/src/playground/Level6.java
@@ -4,18 +4,22 @@ package playground;
 
 public class Level6 extends Level5to7 {
 	
+	protected static final double ENEMYSPEEDX = 480;
+	protected static final double ENEMYSPEEDY = 80;
+	protected static final int NR_ENEMIES = 12;
+	
 	protected int calcNrEnemies() {
-	    return 12;
+	    return NR_ENEMIES;
 	  }
 	
 	@Override 
 	 protected double calcEnemySpeedX() {
-	    return 480;
+	    return ENEMYSPEEDX;
 	  }
 	
 	@Override
 	protected double calcEnemySpeedY() {
-	    return 80;
+	    return ENEMYSPEEDY;
 	  }
 	
 	@Override
diff --git a/GameProject/src/playground/Level7.java b/GameProject/src/playground/Level7.java
index 66e8169..02b5ea1 100644
--- a/GameProject/src/playground/Level7.java
+++ b/GameProject/src/playground/Level7.java
@@ -2,18 +2,22 @@ package playground;
 
 public class Level7 extends Level5to7{
 	
+	protected static final double ENEMYSPEEDX = 800;
+	protected static final double ENEMYSPEEDY = 140;
+	protected static final int NR_ENEMIES =21;
+	
 	protected int calcNrEnemies() {
-	    return 21;
+	    return NR_ENEMIES;
 	  }
 	
 	@Override 
 	 protected double calcEnemySpeedX() {
-	    return 800;
+	    return ENEMYSPEEDX;
 	  }
 	
 	@Override
 	protected double calcEnemySpeedY() {
-	    return 140;
+	    return ENEMYSPEEDY;
 	  }
 	
 	@Override