diff --git a/Projekte/mdga/client/src/main/java/pp/mdga/client/MdgaApp.java b/Projekte/mdga/client/src/main/java/pp/mdga/client/MdgaApp.java
index 4a4ef96b..9efceb3e 100644
--- a/Projekte/mdga/client/src/main/java/pp/mdga/client/MdgaApp.java
+++ b/Projekte/mdga/client/src/main/java/pp/mdga/client/MdgaApp.java
@@ -1,18 +1,11 @@
 package pp.mdga.client;
 
 import com.jme3.app.SimpleApplication;
-import com.jme3.renderer.RenderManager;
 import com.simsilica.lemur.GuiGlobals;
 import pp.mdga.client.acoustic.AcousticHandler;
 import pp.mdga.client.animation.AnimationHandler;
 import com.jme3.system.AppSettings;
 import pp.mdga.client.view.*;
-import pp.mdga.game.Color;
-import pp.mdga.notification.*;
-
-import java.util.ArrayList;
-import java.util.List;
-import java.util.UUID;
 
 public class MdgaApp extends SimpleApplication {
     private AnimationHandler animationHandler;
diff --git a/Projekte/mdga/client/src/main/java/pp/mdga/client/acoustic/AcousticHandler.java b/Projekte/mdga/client/src/main/java/pp/mdga/client/acoustic/AcousticHandler.java
index fcec93d3..fbf78b2f 100644
--- a/Projekte/mdga/client/src/main/java/pp/mdga/client/acoustic/AcousticHandler.java
+++ b/Projekte/mdga/client/src/main/java/pp/mdga/client/acoustic/AcousticHandler.java
@@ -5,6 +5,7 @@
 import pp.mdga.client.MdgaState;
 
 import java.util.*;
+import java.util.prefs.Preferences;
 
 public class AcousticHandler {
     private MdgaApp app;
@@ -29,8 +30,14 @@ public class AcousticHandler {
 
     private ArrayList<GameSound> sounds = new ArrayList<>();
 
+    private Preferences prefs = Preferences.userNodeForPackage(AcousticHandler.class);
+
     public AcousticHandler(MdgaApp app) {
         this.app = app;
+
+        mainVolume = prefs.getFloat("mainVolume", 1.0f);
+        musicVolume = prefs.getFloat("musicVolume", 1.0f);
+        soundVolume = prefs.getFloat("soundVolume", 1.0f);
     }
 
     /**
@@ -67,7 +74,19 @@ public void playSound(MdgaSound sound) {
                 assets.add(new SoundAssetDelayVolume(SoundAsset.LOST, 1.0f, 0.0f));
                 break;
             case VICTORY:
-                assets.add(new SoundAssetDelayVolume(SoundAsset.VICTORY, 1.0f, 2.0f));
+                assets.add(new SoundAssetDelayVolume(SoundAsset.VICTORY, 1.0f, 0.0f));
+                break;
+            case BUTTON_PRESSED:
+                assets.add(new SoundAssetDelayVolume(SoundAsset.BUTTON_PRESS, 0.7f, 0.0f));
+                break;
+            case WRONG_INPUT:
+                assets.add(new SoundAssetDelayVolume(SoundAsset.ERROR, 1.0f, 0.0f));
+                break;
+            case UI_CLICK:
+                assets.add(new SoundAssetDelayVolume(SoundAsset.UI_CLICK, 0.8f, 0.0f));
+                break;
+            case START:
+                assets.add(new SoundAssetDelayVolume(SoundAsset.START, 0.8f, 0.2f));
                 break;
             default:
 
@@ -362,6 +381,7 @@ public float getSoundVolume() {
      */
     public void setMainVolume(float mainVolume) {
         this.mainVolume = mainVolume;
+        prefs.putFloat("mainVolume", mainVolume);
     }
 
     /**
@@ -371,6 +391,7 @@ public void setMainVolume(float mainVolume) {
      */
     public void setMusicVolume(float musicVolume) {
         this.musicVolume = musicVolume;
+        prefs.putFloat("musicVolume", musicVolume);
     }
 
     /**
@@ -380,6 +401,7 @@ public void setMusicVolume(float musicVolume) {
      */
     public void setSoundVolume(float soundVolume) {
         this.soundVolume = soundVolume;
+        prefs.putFloat("soundVolume", soundVolume);
     }
 
     /**
diff --git a/Projekte/mdga/client/src/main/java/pp/mdga/client/acoustic/MdgaSound.java b/Projekte/mdga/client/src/main/java/pp/mdga/client/acoustic/MdgaSound.java
index 6f39f04c..0a4949f3 100644
--- a/Projekte/mdga/client/src/main/java/pp/mdga/client/acoustic/MdgaSound.java
+++ b/Projekte/mdga/client/src/main/java/pp/mdga/client/acoustic/MdgaSound.java
@@ -19,5 +19,9 @@ public enum MdgaSound {
     DESELECT,
     HURRY,
     VICTORY,
-    LOST
+    LOST,
+    BUTTON_PRESSED,
+    WRONG_INPUT,
+    UI_CLICK,
+    START,
 }
diff --git a/Projekte/mdga/client/src/main/java/pp/mdga/client/acoustic/SoundAsset.java b/Projekte/mdga/client/src/main/java/pp/mdga/client/acoustic/SoundAsset.java
index ce4e6c23..c931215a 100644
--- a/Projekte/mdga/client/src/main/java/pp/mdga/client/acoustic/SoundAsset.java
+++ b/Projekte/mdga/client/src/main/java/pp/mdga/client/acoustic/SoundAsset.java
@@ -17,7 +17,11 @@ enum SoundAsset {
     DESELECT(""),
     HURRY(""),
     VICTORY("LevelUp2.wav"),
-    LOST("GameOver.wav");
+    LOST("GameOver.wav"),
+    BUTTON_PRESS("menu_button.ogg"),
+    ERROR("error_sound.ogg"),
+    UI_CLICK("uiclick.ogg"),
+    START("gamestart.ogg");
 
     private final String path;
 
diff --git a/Projekte/mdga/client/src/main/java/pp/mdga/client/button/ClickButton.java b/Projekte/mdga/client/src/main/java/pp/mdga/client/button/ClickButton.java
index 0b1fe1e6..08fb544d 100644
--- a/Projekte/mdga/client/src/main/java/pp/mdga/client/button/ClickButton.java
+++ b/Projekte/mdga/client/src/main/java/pp/mdga/client/button/ClickButton.java
@@ -8,6 +8,7 @@
 import com.simsilica.lemur.VAlignment;
 import com.simsilica.lemur.component.QuadBackgroundComponent;
 import pp.mdga.client.MdgaApp;
+import pp.mdga.client.acoustic.MdgaSound;
 
 public abstract class ClickButton extends AbstractButton {
     protected final Runnable action;
@@ -27,7 +28,7 @@ public abstract class ClickButton extends AbstractButton {
 
         instance = new Button(label);
 
-        instance.addClickCommands((button) -> action.run());
+        instance.addClickCommands((button) -> { app.getAcousticHandler().playSound(MdgaSound.BUTTON_PRESSED); action.run(); });
         instance.setTextHAlignment(HAlignment.Center);
         instance.setTextVAlignment(VAlignment.Center);
 
@@ -66,6 +67,8 @@ protected void click() {
         QuadBackgroundComponent background = new QuadBackgroundComponent(BUTTON_PRESSED);
         instance.setBackground(background);
 
+        app.getAcousticHandler().playSound(MdgaSound.UI_CLICK);
+
         onHover();
     };
 
diff --git a/Projekte/mdga/client/src/main/java/pp/mdga/client/dialog/AudioSettingsDialog.java b/Projekte/mdga/client/src/main/java/pp/mdga/client/dialog/AudioSettingsDialog.java
index c7d4e56d..5a1dd930 100644
--- a/Projekte/mdga/client/src/main/java/pp/mdga/client/dialog/AudioSettingsDialog.java
+++ b/Projekte/mdga/client/src/main/java/pp/mdga/client/dialog/AudioSettingsDialog.java
@@ -24,8 +24,8 @@ public AudioSettingsDialog(MdgaApp app, Node node, MdgaView view) {
         this.view = view;
 
         mainVolume = new SliderButton(app, node, "Gesamt Lautstärke");
-        musicVolume = new SliderButton(app, node, "Gesamt Lautstärke");
-        soundVolume = new SliderButton(app, node, "Gesamt Lautstärke");
+        musicVolume = new SliderButton(app, node, "Musik Lautstärke");
+        soundVolume = new SliderButton(app, node, "Effekt Lautstärke");
 
         backButton = new MenuButton(app, node, view::leaveAudioSettings, "Zurück");
 
diff --git a/Projekte/mdga/client/src/main/java/pp/mdga/client/dialog/HostDialog.java b/Projekte/mdga/client/src/main/java/pp/mdga/client/dialog/HostDialog.java
index b23fc2c3..240a27a1 100644
--- a/Projekte/mdga/client/src/main/java/pp/mdga/client/dialog/HostDialog.java
+++ b/Projekte/mdga/client/src/main/java/pp/mdga/client/dialog/HostDialog.java
@@ -9,6 +9,8 @@
 import pp.mdga.client.button.MenuButton;
 import pp.mdga.client.view.MainView;
 
+import java.util.prefs.Preferences;
+
 public class HostDialog  extends Dialog {
     private InputButton portInput;
 
@@ -17,13 +19,15 @@ public class HostDialog  extends Dialog {
 
     private final MainView view;
 
+    private Preferences prefs = Preferences.userNodeForPackage(JoinDialog.class);
+
     public HostDialog(MdgaApp app, Node node, MainView view) {
         super(app, node);
 
         this.view = view;
 
         portInput = new InputButton(app, node, "Port: ", 5);
-        portInput.setString("11111");
+        portInput.setString(prefs.get("hostPort", "11111"));
 
         hostButton = new ButtonRight(app, node, view::forward, "Spiel hosten", 10);
         backButton = new ButtonLeft(app, node, view::back, "Zurück", 10);
@@ -53,10 +57,12 @@ public void update() {
     }
 
     public String getPort() {
+        prefs.put("hostPort", portInput.getString());
         return portInput.getString();
     }
 
     public void resetPort() {
         portInput.reset();
+        prefs.put("hostPort", "11111");
     }
 }
diff --git a/Projekte/mdga/client/src/main/java/pp/mdga/client/dialog/JoinDialog.java b/Projekte/mdga/client/src/main/java/pp/mdga/client/dialog/JoinDialog.java
index f03c4bc7..c2d48816 100644
--- a/Projekte/mdga/client/src/main/java/pp/mdga/client/dialog/JoinDialog.java
+++ b/Projekte/mdga/client/src/main/java/pp/mdga/client/dialog/JoinDialog.java
@@ -3,12 +3,15 @@
 import com.jme3.math.Vector2f;
 import com.jme3.scene.Node;
 import pp.mdga.client.MdgaApp;
+import pp.mdga.client.acoustic.AcousticHandler;
 import pp.mdga.client.button.ButtonLeft;
 import pp.mdga.client.button.ButtonRight;
 import pp.mdga.client.button.InputButton;
 import pp.mdga.client.button.MenuButton;
 import pp.mdga.client.view.MainView;
 
+import java.util.prefs.Preferences;
+
 public class JoinDialog extends Dialog {
     private InputButton ipInput;
     private InputButton portInput;
@@ -18,6 +21,8 @@ public class JoinDialog extends Dialog {
 
     private final MainView view;
 
+    private Preferences prefs = Preferences.userNodeForPackage(JoinDialog.class);
+
     public JoinDialog(MdgaApp app, Node node, MainView view) {
         super(app, node);
 
@@ -25,7 +30,8 @@ public JoinDialog(MdgaApp app, Node node, MainView view) {
 
         ipInput = new InputButton(app, node, "Ip: ", 15);
         portInput = new InputButton(app, node, "Port: ", 5);
-        portInput.setString("11111");
+        portInput.setString(prefs.get("joinPort", "11111"));
+        ipInput.setString(prefs.get("jostIp", ""));
 
         joinButton = new ButtonRight(app, node, view::forward, "Spiel beitreten", 10);
         backButton = new ButtonLeft(app, node, view::back, "Zurück", 10);
@@ -61,18 +67,22 @@ public void update() {
     }
 
     public String getIpt() {
+        prefs.put("joinIp", ipInput.getString());
         return ipInput.getString();
     }
 
     public void resetIp() {
         ipInput.reset();
+        prefs.put("joinIp", "");
     }
 
     public String getPort() {
+        prefs.put("joinPort", portInput.getString());
         return portInput.getString();
     }
 
     public void resetPort() {
         portInput.reset();
+        prefs.put("joinPort", "11111");
     }
 }
diff --git a/Projekte/mdga/client/src/main/java/pp/mdga/client/view/CeremonyView.java b/Projekte/mdga/client/src/main/java/pp/mdga/client/view/CeremonyView.java
index 5c800265..70e98148 100644
--- a/Projekte/mdga/client/src/main/java/pp/mdga/client/view/CeremonyView.java
+++ b/Projekte/mdga/client/src/main/java/pp/mdga/client/view/CeremonyView.java
@@ -5,6 +5,7 @@
 import com.jme3.scene.Geometry;
 import pp.mdga.client.MdgaApp;
 import pp.mdga.client.MdgaState;
+import pp.mdga.client.acoustic.MdgaSound;
 import pp.mdga.client.button.ButtonLeft;
 import pp.mdga.client.button.ButtonRight;
 import pp.mdga.client.button.CeremonyButton;
@@ -50,6 +51,8 @@ public void onEnter() {
         enterSub(SubState.AWARD_CEREMONY);
 
         rootNode.addLight(ambient);
+
+        app.getAcousticHandler().playSound(MdgaSound.VICTORY);
     }
 
     @Override
diff --git a/Projekte/mdga/client/src/main/java/pp/mdga/client/view/GameView.java b/Projekte/mdga/client/src/main/java/pp/mdga/client/view/GameView.java
index c5a6915a..0634ea8a 100644
--- a/Projekte/mdga/client/src/main/java/pp/mdga/client/view/GameView.java
+++ b/Projekte/mdga/client/src/main/java/pp/mdga/client/view/GameView.java
@@ -14,6 +14,7 @@
 import com.jme3.texture.Image;
 import com.jme3.texture.Texture2D;
 import pp.mdga.client.MdgaState;
+import pp.mdga.client.acoustic.MdgaSound;
 import pp.mdga.client.board.BoardHandler;
 import pp.mdga.client.board.CameraHandler;
 import pp.mdga.client.MdgaApp;
@@ -54,6 +55,8 @@ public void onEnter() {
         cheatButton.show();
 
         app.getViewPort().addProcessor(fpp);
+
+        app.getAcousticHandler().playSound(MdgaSound.START);
     }
 
     @Override
diff --git a/Projekte/mdga/client/src/main/java/pp/mdga/client/view/LobbyView.java b/Projekte/mdga/client/src/main/java/pp/mdga/client/view/LobbyView.java
index 65a87d60..b97baf84 100644
--- a/Projekte/mdga/client/src/main/java/pp/mdga/client/view/LobbyView.java
+++ b/Projekte/mdga/client/src/main/java/pp/mdga/client/view/LobbyView.java
@@ -3,6 +3,7 @@
 import com.jme3.asset.TextureKey;
 import com.jme3.light.AmbientLight;
 import com.jme3.math.ColorRGBA;
+import com.jme3.math.Vector3f;
 import com.jme3.renderer.Camera;
 import com.jme3.scene.Geometry;
 import com.jme3.scene.Spatial;
@@ -49,11 +50,10 @@ public LobbyView(MdgaApp app) {
 
     @Override
     public void onEnter() {
-        //cam = new Camera(app.getCamera().getWidth(), app.getCamera().getHeight());
-        //cam.setParallelProjection(true);
-        //float aspect = (float) app.getCamera().getWidth() / app.getCamera().getHeight();
-        //float size = 1.65f;
-        //cam.setFrustum(-1000, 1000, -aspect * size, aspect * size, size, -size);
+        app.getCamera().setParallelProjection(true);
+        float aspect = (float) app.getCamera().getWidth() / app.getCamera().getHeight();
+        float size = 1.65f;
+        app.getCamera().setFrustum(-1000, 1000, -aspect * size, aspect * size, size, -size);
 
         leaveButton.show();
         readyButton.show();
@@ -77,6 +77,18 @@ public void onLeave() {
         cyberButton.hide();
 
         rootNode.removeLight(ambient);
+
+        app.getCamera().setParallelProjection(false);
+
+        app.getCamera().setFrustumPerspective(
+            45.0f,
+            (float) app.getCamera().getWidth() / app.getCamera().getHeight(),
+            0.1f,
+            1000.0f
+        );
+
+        app.getCamera().setLocation(new Vector3f(0, 0, 10));
+        app.getCamera().lookAt(Vector3f.ZERO, Vector3f.UNIT_Y);
     }
 
     @Override
diff --git a/Projekte/mdga/client/src/main/java/pp/mdga/client/view/MainView.java b/Projekte/mdga/client/src/main/java/pp/mdga/client/view/MainView.java
index 4fb81fdd..b1997409 100644
--- a/Projekte/mdga/client/src/main/java/pp/mdga/client/view/MainView.java
+++ b/Projekte/mdga/client/src/main/java/pp/mdga/client/view/MainView.java
@@ -3,6 +3,7 @@
 import com.jme3.scene.Geometry;
 import pp.mdga.client.MdgaApp;
 import pp.mdga.client.MdgaState;
+import pp.mdga.client.acoustic.MdgaSound;
 import pp.mdga.client.button.ButtonRight;
 import pp.mdga.client.button.MenuButton;
 import pp.mdga.client.button.SettingsButton;
@@ -99,7 +100,7 @@ private void tryHost() {
             if(port >= 1 && port <= 65535) {
                 app.getModelSyncronizer().setName(startDialog.getName());
                 app.getModelSyncronizer().setHost(port);
-                //TODO: playSound
+                //app.getAcousticHandler().playSound(MdgaSound.WRONG_INPUT);
                 return;
             }
         } catch (NumberFormatException e) {
@@ -107,13 +108,44 @@ private void tryHost() {
         }
 
         hostDialog.resetPort();
-        //TODO: playSound
+        app.getAcousticHandler().playSound(MdgaSound.WRONG_INPUT);
     }
 
     private void tryJoin() {
-        //TODO
-        app.getModelSyncronizer().setName(startDialog.getName());
-        app.getModelSyncronizer().setJoin("127.0.0.1", 1);
+        int port = 0;
+        String ip = joinDialog.getIpt();
+        String portText = hostDialog.getPort();
+
+        try {
+            // Validate the port
+            port = Integer.parseInt(portText);
+            if (port < 1 || port > 65535) {
+                throw new IllegalArgumentException("Invalid port");
+            }
+
+            // Validate the IP address
+            if (isValidIpAddress(ip)) {
+                app.getModelSyncronizer().setName(startDialog.getName());
+                app.getModelSyncronizer().setJoin(ip, port);
+                return;
+            }
+        } catch (IllegalArgumentException e) {
+            // Invalid input, fall through to reset
+        }
+
+        hostDialog.resetPort();
+        joinDialog.resetIp();
+        app.getAcousticHandler().playSound(MdgaSound.WRONG_INPUT);
+    }
+
+    private boolean isValidIpAddress(String ip) {
+        String ipRegex =
+            "^(25[0-5]|2[0-4][0-9]|[0-1]?[0-9][0-9]?)\\." +
+                "(25[0-5]|2[0-4][0-9]|[0-1]?[0-9][0-9]?)\\." +
+                "(25[0-5]|2[0-4][0-9]|[0-1]?[0-9][0-9]?)\\." +
+                "(25[0-5]|2[0-4][0-9]|[0-1]?[0-9][0-9]?)$";
+
+        return ip != null && ip.matches(ipRegex);
     }
 
     private void enterSub(SubState state) {
@@ -160,7 +192,7 @@ public void forward(boolean host) {
             case MAIN:
                 if(host) {
                     enterSub(SubState.HOST);
-                    //TODO: playSound
+                    //TODO playSound
                 } else {
                     enterSub(SubState.JOIN);
                     //TODO: playSound
diff --git a/Projekte/mdga/client/src/main/resources/Sounds/error_sound.ogg b/Projekte/mdga/client/src/main/resources/Sounds/error_sound.ogg
new file mode 100644
index 00000000..8742f9fd
Binary files /dev/null and b/Projekte/mdga/client/src/main/resources/Sounds/error_sound.ogg differ
diff --git a/Projekte/mdga/client/src/main/resources/Sounds/gamestart.ogg b/Projekte/mdga/client/src/main/resources/Sounds/gamestart.ogg
new file mode 100644
index 00000000..eb7453d3
Binary files /dev/null and b/Projekte/mdga/client/src/main/resources/Sounds/gamestart.ogg differ
diff --git a/Projekte/mdga/client/src/main/resources/Sounds/menu_button.ogg b/Projekte/mdga/client/src/main/resources/Sounds/menu_button.ogg
new file mode 100644
index 00000000..7cb34ff4
Binary files /dev/null and b/Projekte/mdga/client/src/main/resources/Sounds/menu_button.ogg differ
diff --git a/Projekte/mdga/client/src/main/resources/Sounds/uiclick.ogg b/Projekte/mdga/client/src/main/resources/Sounds/uiclick.ogg
new file mode 100644
index 00000000..50d5b470
Binary files /dev/null and b/Projekte/mdga/client/src/main/resources/Sounds/uiclick.ogg differ