diff --git a/src/de/oszimt/ls/aliendefence/view/menue/LevelChoice.form b/src/de/oszimt/ls/aliendefence/view/menue/LevelChoice.form
index 5939c17..ab69861 100644
--- a/src/de/oszimt/ls/aliendefence/view/menue/LevelChoice.form
+++ b/src/de/oszimt/ls/aliendefence/view/menue/LevelChoice.form
@@ -2,7 +2,7 @@
 <form xmlns="http://www.intellij.com/uidesigner/form/" version="1" bind-to-class="de.oszimt.ls.aliendefence.view.menue.LevelChoice">
   <grid id="27dc6" binding="panel" layout-manager="BorderLayout" hgap="0" vgap="0">
     <constraints>
-      <xy x="20" y="20" width="501" height="400"/>
+      <xy x="20" y="20" width="584" height="400"/>
     </constraints>
     <properties>
       <background color="-16777216"/>
@@ -18,6 +18,12 @@
         </properties>
         <border type="none"/>
         <children>
+          <component id="a4374" class="javax.swing.JButton" binding="btnBack">
+            <constraints/>
+            <properties>
+              <text value="zurück"/>
+            </properties>
+          </component>
           <component id="cdd2d" class="javax.swing.JButton" binding="btnPlay">
             <constraints/>
             <properties>
diff --git a/src/de/oszimt/ls/aliendefence/view/menue/LevelChoice.java b/src/de/oszimt/ls/aliendefence/view/menue/LevelChoice.java
index 09bee36..7105fbd 100644
--- a/src/de/oszimt/ls/aliendefence/view/menue/LevelChoice.java
+++ b/src/de/oszimt/ls/aliendefence/view/menue/LevelChoice.java
@@ -22,6 +22,7 @@ public class LevelChoice {
     private JButton btnDeleteLevel;
     private JButton btnPlay;
     private JScrollPane scrollPane;
+    private JButton btnBack;
 
     private final LevelController lvlControl;
     private final LeveldesignWindow leveldesignWindow;
@@ -77,6 +78,12 @@ public class LevelChoice {
         tblLevels.getTableHeader().setOpaque(false);
         tblLevels.getTableHeader().setBackground(Color.BLACK);
         tblLevels.getTableHeader().setForeground(Color.YELLOW);
+        btnBack.addActionListener(new ActionListener() {
+            @Override
+            public void actionPerformed(ActionEvent e) {
+                leveldesignWindow.dispose();
+            }
+        });
     }
 
     private String[][] getLevelsAsTableModel() {
diff --git a/src/de/oszimt/ls/aliendefence/view/menue/LeveldesignWindow.java b/src/de/oszimt/ls/aliendefence/view/menue/LeveldesignWindow.java
index 307b7b4..6fb3fc9 100644
--- a/src/de/oszimt/ls/aliendefence/view/menue/LeveldesignWindow.java
+++ b/src/de/oszimt/ls/aliendefence/view/menue/LeveldesignWindow.java
@@ -49,6 +49,8 @@ public class LeveldesignWindow extends JFrame {
 
 		this.showLevelChooser();
 		this.setLocationRelativeTo(null);
+		this.setUndecorated(true);
+		this.setExtendedState(JFrame.MAXIMIZED_BOTH);
 		this.setVisible(true);
 	}
 
diff --git a/src/de/oszimt/ls/aliendefence/view/menue/MainMenu.form b/src/de/oszimt/ls/aliendefence/view/menue/MainMenu.form
index b77fb20..51eb9a0 100644
--- a/src/de/oszimt/ls/aliendefence/view/menue/MainMenu.form
+++ b/src/de/oszimt/ls/aliendefence/view/menue/MainMenu.form
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <form xmlns="http://www.intellij.com/uidesigner/form/" version="1" bind-to-class="de.oszimt.ls.aliendefence.view.menue.MainMenu">
-  <grid id="27dc6" binding="main" layout-manager="GridLayoutManager" row-count="11" column-count="1" same-size-horizontally="false" same-size-vertically="false" hgap="-1" vgap="-1">
+  <grid id="27dc6" binding="main" layout-manager="GridLayoutManager" row-count="13" column-count="3" same-size-horizontally="false" same-size-vertically="false" hgap="-1" vgap="-1">
     <margin top="0" left="0" bottom="0" right="0"/>
     <constraints>
       <xy x="20" y="20" width="326" height="715"/>
@@ -15,8 +15,8 @@
     <children>
       <component id="c5b1d" class="javax.swing.JLabel">
         <constraints>
-          <grid row="0" column="0" row-span="1" col-span="1" vsize-policy="0" hsize-policy="0" anchor="1" fill="0" indent="0" use-parent-layout="false">
-            <preferred-size width="177" height="9"/>
+          <grid row="1" column="1" row-span="1" col-span="1" vsize-policy="0" hsize-policy="0" anchor="1" fill="0" indent="0" use-parent-layout="false">
+            <preferred-size width="177" height="100"/>
           </grid>
         </constraints>
         <properties>
@@ -27,8 +27,8 @@
       </component>
       <component id="8961e" class="javax.swing.JLabel">
         <constraints>
-          <grid row="1" column="0" row-span="1" col-span="1" vsize-policy="0" hsize-policy="0" anchor="0" fill="0" indent="1" use-parent-layout="false">
-            <preferred-size width="200" height="103"/>
+          <grid row="2" column="1" row-span="1" col-span="1" vsize-policy="0" hsize-policy="0" anchor="1" fill="0" indent="1" use-parent-layout="false">
+            <preferred-size width="200" height="200"/>
           </grid>
         </constraints>
         <properties>
@@ -40,7 +40,7 @@
       </component>
       <component id="965b" class="javax.swing.JLabel">
         <constraints>
-          <grid row="2" column="0" row-span="1" col-span="1" vsize-policy="0" hsize-policy="0" anchor="8" fill="0" indent="0" use-parent-layout="false"/>
+          <grid row="3" column="1" row-span="1" col-span="1" vsize-policy="0" hsize-policy="0" anchor="8" fill="0" indent="0" use-parent-layout="false"/>
         </constraints>
         <properties>
           <font size="14" style="1"/>
@@ -50,7 +50,7 @@
       </component>
       <component id="14947" class="javax.swing.JLabel">
         <constraints>
-          <grid row="4" column="0" row-span="1" col-span="1" vsize-policy="0" hsize-policy="0" anchor="8" fill="0" indent="0" use-parent-layout="false"/>
+          <grid row="5" column="1" row-span="1" col-span="1" vsize-policy="0" hsize-policy="0" anchor="8" fill="0" indent="0" use-parent-layout="false"/>
         </constraints>
         <properties>
           <font size="14" style="1"/>
@@ -60,7 +60,7 @@
       </component>
       <component id="b84a7" class="javax.swing.JPasswordField" binding="passwordTextField">
         <constraints>
-          <grid row="5" column="0" row-span="1" col-span="1" vsize-policy="0" hsize-policy="6" anchor="8" fill="1" indent="0" use-parent-layout="false">
+          <grid row="6" column="1" row-span="1" col-span="1" vsize-policy="0" hsize-policy="0" anchor="8" fill="1" indent="0" use-parent-layout="false">
             <preferred-size width="150" height="-1"/>
           </grid>
         </constraints>
@@ -68,7 +68,7 @@
       </component>
       <component id="39eaf" class="javax.swing.JButton" binding="playButton">
         <constraints>
-          <grid row="6" column="0" row-span="1" col-span="1" vsize-policy="0" hsize-policy="3" anchor="0" fill="1" indent="0" use-parent-layout="false"/>
+          <grid row="7" column="1" row-span="1" col-span="1" vsize-policy="0" hsize-policy="0" anchor="0" fill="1" indent="0" use-parent-layout="false"/>
         </constraints>
         <properties>
           <actionCommand value=""/>
@@ -77,7 +77,7 @@
       </component>
       <component id="6cda2" class="javax.swing.JButton" binding="testButton">
         <constraints>
-          <grid row="7" column="0" row-span="1" col-span="1" vsize-policy="0" hsize-policy="3" anchor="0" fill="1" indent="0" use-parent-layout="false"/>
+          <grid row="8" column="1" row-span="1" col-span="1" vsize-policy="0" hsize-policy="3" anchor="0" fill="1" indent="0" use-parent-layout="false"/>
         </constraints>
         <properties>
           <text value="Testen"/>
@@ -85,7 +85,7 @@
       </component>
       <component id="9d215" class="javax.swing.JTextField" binding="loginTextField">
         <constraints>
-          <grid row="3" column="0" row-span="1" col-span="1" vsize-policy="0" hsize-policy="6" anchor="8" fill="1" indent="0" use-parent-layout="false">
+          <grid row="4" column="1" row-span="1" col-span="1" vsize-policy="0" hsize-policy="0" anchor="8" fill="1" indent="0" use-parent-layout="false">
             <preferred-size width="150" height="-1"/>
           </grid>
         </constraints>
@@ -93,7 +93,7 @@
       </component>
       <component id="e66c9" class="javax.swing.JButton" binding="highscoreButton" default-binding="true">
         <constraints>
-          <grid row="8" column="0" row-span="1" col-span="1" vsize-policy="0" hsize-policy="3" anchor="0" fill="1" indent="0" use-parent-layout="false"/>
+          <grid row="9" column="1" row-span="1" col-span="1" vsize-policy="0" hsize-policy="0" anchor="0" fill="1" indent="0" use-parent-layout="false"/>
         </constraints>
         <properties>
           <text value="Highscore"/>
@@ -101,7 +101,7 @@
       </component>
       <component id="7ae73" class="javax.swing.JButton" binding="levelEditorButton" default-binding="true">
         <constraints>
-          <grid row="9" column="0" row-span="1" col-span="1" vsize-policy="0" hsize-policy="3" anchor="0" fill="1" indent="0" use-parent-layout="false"/>
+          <grid row="10" column="1" row-span="1" col-span="1" vsize-policy="0" hsize-policy="0" anchor="0" fill="1" indent="0" use-parent-layout="false"/>
         </constraints>
         <properties>
           <background color="-256"/>
@@ -111,7 +111,7 @@
       </component>
       <component id="ef1af" class="javax.swing.JButton" binding="exitButton">
         <constraints>
-          <grid row="10" column="0" row-span="1" col-span="1" vsize-policy="0" hsize-policy="3" anchor="0" fill="1" indent="0" use-parent-layout="false"/>
+          <grid row="11" column="1" row-span="1" col-span="1" vsize-policy="0" hsize-policy="0" anchor="0" fill="1" indent="0" use-parent-layout="false"/>
         </constraints>
         <properties>
           <background color="-3552823"/>
@@ -119,6 +119,26 @@
           <text value="Beenden"/>
         </properties>
       </component>
+      <hspacer id="abee9">
+        <constraints>
+          <grid row="3" column="0" row-span="1" col-span="1" vsize-policy="1" hsize-policy="6" anchor="0" fill="1" indent="0" use-parent-layout="false"/>
+        </constraints>
+      </hspacer>
+      <hspacer id="da8b7">
+        <constraints>
+          <grid row="3" column="2" row-span="1" col-span="1" vsize-policy="1" hsize-policy="6" anchor="0" fill="1" indent="0" use-parent-layout="false"/>
+        </constraints>
+      </hspacer>
+      <vspacer id="c33be">
+        <constraints>
+          <grid row="0" column="1" row-span="1" col-span="1" vsize-policy="6" hsize-policy="1" anchor="0" fill="2" indent="0" use-parent-layout="false"/>
+        </constraints>
+      </vspacer>
+      <vspacer id="8c4ad">
+        <constraints>
+          <grid row="12" column="1" row-span="1" col-span="1" vsize-policy="6" hsize-policy="1" anchor="0" fill="2" indent="0" use-parent-layout="false"/>
+        </constraints>
+      </vspacer>
     </children>
   </grid>
 </form>
diff --git a/src/de/oszimt/ls/aliendefence/view/menue/MainMenu.java b/src/de/oszimt/ls/aliendefence/view/menue/MainMenu.java
index 49bcbf6..8c3a6dd 100644
--- a/src/de/oszimt/ls/aliendefence/view/menue/MainMenu.java
+++ b/src/de/oszimt/ls/aliendefence/view/menue/MainMenu.java
@@ -103,10 +103,12 @@ public class MainMenu {
 
     public static void show(AlienDefenceController alienDefenceController) {
         JFrame frame = new JFrame("AlienDefence");
+        frame.setUndecorated(true);
         frame.setContentPane(new MainMenu(alienDefenceController).main);
         frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
         frame.pack();
         frame.setLocationRelativeTo(null);
+        frame.setExtendedState(JFrame.MAXIMIZED_BOTH);
         frame.setVisible(true);
     }
 }