diff --git a/core/src/netwerkprog/game/client/MainGame.java b/core/src/netwerkprog/game/client/MainGame.java
index faf465c..f595fdf 100644
--- a/core/src/netwerkprog/game/client/MainGame.java
+++ b/core/src/netwerkprog/game/client/MainGame.java
@@ -219,6 +219,7 @@ public class MainGame extends Game implements ClientCallback {
             } else if (this.team.isDead()) {
                 text += "Too bad! You lost!";
             }
+            text += "\nPress ESC to exit the game";
             renderString(text, Gdx.graphics.getWidth() / 2f, Gdx.graphics.getHeight() / 2f);
         }
 
@@ -317,6 +318,12 @@ public class MainGame extends Game implements ClientCallback {
         return map.getWidth();
     }
 
+    public void exit() {
+        client.disconnect();
+        dispose();
+        Gdx.app.exit();
+    }
+
     public void setSelectedCharacter(GameCharacter character) {
         if  (!character.isDead()) {
             this.selectedCharacter = character;
diff --git a/core/src/netwerkprog/game/client/game/characters/Team.java b/core/src/netwerkprog/game/client/game/characters/Team.java
index 436fca7..1f556a6 100644
--- a/core/src/netwerkprog/game/client/game/characters/Team.java
+++ b/core/src/netwerkprog/game/client/game/characters/Team.java
@@ -10,29 +10,54 @@ public class Team {
         this.members = new BST<>();
     }
 
+    /**
+     * create a new team with the given characters
+     * @param characters the characters
+     */
     public Team(BST<GameCharacter> characters) {
         this.members = characters;
     }
 
+    /**
+     * add new member
+     * @param gameCharacter the member to add
+     */
     public void addMember(GameCharacter gameCharacter) {
         if (this.members.getSize() != 6)
             this.members.insert(gameCharacter);
     }
 
+    /**
+     * get members
+     * @return the members
+     */
     public BST<GameCharacter> getMembers() {
         return this.members;
     }
 
+    /**
+     * set members
+     * @param members the members to set
+     */
     public void setMembers(BST<GameCharacter> members) {
         this.members = members;
     }
 
+    /**
+     * add members
+     * @param characters the members to add
+     */
     public void addMember(GameCharacter... characters) {
         for (GameCharacter gameCharacter : characters) {
             this.members.insert(gameCharacter);
         }
     }
 
+    /**
+     * get the specific character
+     * @param character the character to get
+     * @return the character, null if it doesnt exist
+     */
     public GameCharacter get(GameCharacter character) {
         for (GameCharacter cur : this.members) {
             if (cur.equals(character)) {
@@ -42,6 +67,11 @@ public class Team {
         return null;
     }
 
+    /**
+     * get the character with the specified username
+     * @param username the username of the character
+     * @return the character, null if it doesnt exist
+     */
     public GameCharacter get(String username) {
         for (GameCharacter cur : this.members) {
             if (cur.getName().equals(username)) {
@@ -51,6 +81,11 @@ public class Team {
         return null;
     }
 
+    /**
+     * get the character at the specified position
+     * @param position the position of the character
+     * @return the character, null if it can't be found
+     */
     public GameCharacter get(int position) {
         if (position >= this.members.getSize()) {
             throw new IndexOutOfBoundsException("position out of range");
@@ -63,12 +98,20 @@ public class Team {
         return null;
     }
 
+    /**
+     * update all characters
+     * @param deltaTime the time between the last frame
+     */
     public void update(double deltaTime) {
         for (GameCharacter character : this.members) {
             character.update(deltaTime);
         }
     }
 
+    /**
+     * check if all players are dead
+     * @return true if all players are dead
+     */
     public boolean isDead() {
         int dead = 0;
         for (GameCharacter character : this.members) {
diff --git a/core/src/netwerkprog/game/client/game/map/GameInputProcessor.java b/core/src/netwerkprog/game/client/game/map/GameInputProcessor.java
index f8d0838..88692a1 100644
--- a/core/src/netwerkprog/game/client/game/map/GameInputProcessor.java
+++ b/core/src/netwerkprog/game/client/game/map/GameInputProcessor.java
@@ -128,6 +128,10 @@ public class GameInputProcessor implements InputProcessor {
                 mainGame.chooseHacker();
             }
 
+        } else if (mainGame.getGamestate() == GAMESTATE.ENDED) {
+            if (keycode == Input.Keys.ESCAPE) {
+                mainGame.exit();
+            }
         }
         return false;
     }
diff --git a/core/src/netwerkprog/game/util/tree/AbstractTree.java b/core/src/netwerkprog/game/util/tree/AbstractTree.java
index 7c7c9ee..282340b 100644
--- a/core/src/netwerkprog/game/util/tree/AbstractTree.java
+++ b/core/src/netwerkprog/game/util/tree/AbstractTree.java
@@ -5,8 +5,8 @@ public abstract class AbstractTree<E> implements Tree<E> {
   public void inorder() {
   }
 
-  @Override /* Postorder traversal from the root */
-  public void postorder() {
+  @Override /* Post order traversal from the root */
+  public void postOrder() {
   }
 
   @Override /* Preorder traversal from the root */
diff --git a/core/src/netwerkprog/game/util/tree/BST.java b/core/src/netwerkprog/game/util/tree/BST.java
index 45f1bb0..0711e31 100644
--- a/core/src/netwerkprog/game/util/tree/BST.java
+++ b/core/src/netwerkprog/game/util/tree/BST.java
@@ -141,7 +141,7 @@ public class BST<E extends Comparable<E>> extends AbstractTree<E> {
      * Post order traversal from the root
      */
     @Override
-    public void postorder() {
+    public void postOrder() {
         postorder(root);
     }
 
diff --git a/core/src/netwerkprog/game/util/tree/Tree.java b/core/src/netwerkprog/game/util/tree/Tree.java
index 1e8c9ad..0018038 100644
--- a/core/src/netwerkprog/game/util/tree/Tree.java
+++ b/core/src/netwerkprog/game/util/tree/Tree.java
@@ -16,7 +16,7 @@ public interface Tree<E> extends Iterable<E> {
   public void inorder();
 
   /** Postorder traversal from the root */
-  public void postorder();
+  public void postOrder();
 
   /** Preorder traversal from the root */
   public void preorder();