diff --git a/Projekte/battleship/client/src/main/java/pp/battleship/client/NetworkDialog.java b/Projekte/battleship/client/src/main/java/pp/battleship/client/NetworkDialog.java
index 3f2f5a65..580280cf 100644
--- a/Projekte/battleship/client/src/main/java/pp/battleship/client/NetworkDialog.java
+++ b/Projekte/battleship/client/src/main/java/pp/battleship/client/NetworkDialog.java
@@ -7,10 +7,12 @@
 
 package pp.battleship.client;
 
+import com.simsilica.lemur.Checkbox;
 import com.simsilica.lemur.Container;
 import com.simsilica.lemur.Label;
 import com.simsilica.lemur.TextField;
 import com.simsilica.lemur.component.SpringGridLayout;
+import pp.battleship.client.server.BattleshipServer;
 import pp.dialog.Dialog;
 import pp.dialog.DialogBuilder;
 import pp.dialog.SimpleDialog;
@@ -37,6 +39,7 @@ class NetworkDialog extends SimpleDialog {
     private int portNumber;
     private Future<Object> connectionFuture;
     private Dialog progressDialog;
+    private boolean hostServer = false;
 
     /**
      * Constructs a new NetworkDialog.
@@ -57,6 +60,10 @@ class NetworkDialog extends SimpleDialog {
         input.addChild(new Label(lookup("port.number") + ":  "));
         input.addChild(port, 1);
 
+        Checkbox serverHost = new Checkbox(lookup("host.own.server"));
+        serverHost.setChecked(false);
+        serverHost.addClickCommands(s -> toggleServerHost());
+
         DialogBuilder.simple(app.getDialogManager())
                      .setTitle(lookup("server.dialog"))
                      .setExtension(d -> d.addChild(input))
@@ -65,13 +72,15 @@ class NetworkDialog extends SimpleDialog {
                      .setOkClose(false)
                      .setNoClose(false)
                      .build(this);
+
+        addChild(serverHost);
     }
 
     /**
      * Handles the action for the connect button in the connection dialog.
      * Tries to parse the port number and initiate connection to the server.
      */
-    private void connect() {
+    private void connectServer() {
         LOGGER.log(Level.INFO, "connect to host={0}, port={1}", host, port); //NON-NLS
         try {
             hostname = host.getText().trim().isEmpty() ? LOCALHOST : host.getText();
@@ -84,6 +93,35 @@ private void connect() {
         }
     }
 
+    private void connect() {
+        if(hostServer){
+            startServer();
+            try {
+                Thread.sleep(1000);
+            } catch (InterruptedException e) {
+                LOGGER.log(Level.WARNING, e.getMessage(), e);
+            }
+            connectServer();
+        } else {
+            connectServer();
+        }
+    }
+
+    private void startServer() {
+        new Thread(() -> {
+            try{
+                BattleshipServer battleshipServer = new BattleshipServer();
+                battleshipServer.run();
+            } catch (Exception e) {
+                LOGGER.log(Level.ERROR,e);
+            }
+        }).start();
+    }
+
+    private void toggleServerHost(){
+        hostServer = !hostServer;
+    }
+
     /**
      * Creates a dialog indicating that the connection is in progress.
      */
diff --git a/Projekte/battleship/client/src/main/java/pp/battleship/client/server/BattleshipServer.java b/Projekte/battleship/client/src/main/java/pp/battleship/client/server/BattleshipServer.java
new file mode 100644
index 00000000..f2d52ecb
--- /dev/null
+++ b/Projekte/battleship/client/src/main/java/pp/battleship/client/server/BattleshipServer.java
@@ -0,0 +1,172 @@
+////////////////////////////////////////
+// Programming project code
+// UniBw M, 2022, 2023, 2024
+// www.unibw.de/inf2
+// (c) Mark Minas (mark.minas@unibw.de)
+////////////////////////////////////////
+
+package pp.battleship.client.server;
+
+import com.jme3.network.ConnectionListener;
+import com.jme3.network.HostedConnection;
+import com.jme3.network.Message;
+import com.jme3.network.MessageListener;
+import com.jme3.network.Network;
+import com.jme3.network.Server;
+import com.jme3.network.serializing.Serializer;
+import pp.battleship.BattleshipConfig;
+import pp.battleship.game.server.Player;
+import pp.battleship.game.server.ServerGameLogic;
+import pp.battleship.game.server.ServerSender;
+import pp.battleship.message.client.ClientMessage;
+import pp.battleship.message.client.MapMessage;
+import pp.battleship.message.client.ShootMessage;
+import pp.battleship.message.server.EffectMessage;
+import pp.battleship.message.server.GameDetails;
+import pp.battleship.message.server.ServerMessage;
+import pp.battleship.message.server.StartBattleMessage;
+import pp.battleship.model.Battleship;
+import pp.battleship.model.IntPoint;
+import pp.battleship.model.Shot;
+
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.IOException;
+import java.lang.System.Logger;
+import java.lang.System.Logger.Level;
+import java.util.concurrent.BlockingQueue;
+import java.util.concurrent.LinkedBlockingQueue;
+import java.util.logging.LogManager;
+
+/**
+ * Server implementing the visitor pattern as MessageReceiver for ClientMessages
+ */
+public class BattleshipServer implements MessageListener<HostedConnection>, ConnectionListener, ServerSender {
+    private static final Logger LOGGER = System.getLogger(BattleshipServer.class.getName());
+    private static final File CONFIG_FILE = new File("server.properties");
+
+    private final BattleshipConfig config = new BattleshipConfig();
+    private Server myServer;
+    private final ServerGameLogic logic;
+    private final BlockingQueue<ReceivedMessage> pendingMessages = new LinkedBlockingQueue<>();
+
+    static {
+        // Configure logging
+        LogManager manager = LogManager.getLogManager();
+        try {
+            manager.readConfiguration(new FileInputStream("logging.properties"));
+            LOGGER.log(Level.INFO, "Successfully read logging properties"); //NON-NLS
+        }
+        catch (IOException e) {
+            LOGGER.log(Level.INFO, e.getMessage());
+        }
+    }
+
+    /**
+     * Creates the server.
+     */
+    public BattleshipServer() {
+        config.readFromIfExists(CONFIG_FILE);
+        LOGGER.log(Level.INFO, "Configuration: {0}", config); //NON-NLS
+        logic = new ServerGameLogic(this, config);
+    }
+
+    public void run() {
+        startServer();
+        while (true)
+            processNextMessage();
+    }
+
+    private void startServer() {
+        try {
+            LOGGER.log(Level.INFO, "Starting server..."); //NON-NLS
+            myServer = Network.createServer(config.getPort());
+            initializeSerializables();
+            myServer.start();
+            registerListeners();
+            LOGGER.log(Level.INFO, "Server started: {0}", myServer.isRunning()); //NON-NLS
+        }
+        catch (IOException e) {
+            LOGGER.log(Level.ERROR, "Couldn't start server: {0}", e.getMessage()); //NON-NLS
+            exit(1);
+        }
+    }
+
+    private void processNextMessage() {
+        try {
+            pendingMessages.take().process(logic);
+        }
+        catch (InterruptedException ex) {
+            LOGGER.log(Level.INFO, "Interrupted while waiting for messages"); //NON-NLS
+            Thread.currentThread().interrupt();
+        }
+    }
+
+    private void initializeSerializables() {
+        Serializer.registerClass(GameDetails.class);
+        Serializer.registerClass(StartBattleMessage.class);
+        Serializer.registerClass(MapMessage.class);
+        Serializer.registerClass(ShootMessage.class);
+        Serializer.registerClass(EffectMessage.class);
+        Serializer.registerClass(Battleship.class);
+        Serializer.registerClass(IntPoint.class);
+        Serializer.registerClass(Shot.class);
+    }
+
+    private void registerListeners() {
+        myServer.addMessageListener(this, MapMessage.class);
+        myServer.addMessageListener(this, ShootMessage.class);
+        myServer.addConnectionListener(this);
+    }
+
+    @Override
+    public void messageReceived(HostedConnection source, Message message) {
+        LOGGER.log(Level.INFO, "message received from {0}: {1}", source.getId(), message); //NON-NLS
+        if (message instanceof ClientMessage clientMessage)
+            pendingMessages.add(new ReceivedMessage(clientMessage, source.getId()));
+    }
+
+    @Override
+    public void connectionAdded(Server server, HostedConnection hostedConnection) {
+        LOGGER.log(Level.INFO, "new connection {0}", hostedConnection); //NON-NLS
+        logic.addPlayer(hostedConnection.getId());
+    }
+
+    @Override
+    public void connectionRemoved(Server server, HostedConnection hostedConnection) {
+        LOGGER.log(Level.INFO, "connection closed: {0}", hostedConnection); //NON-NLS
+        final Player player = logic.getPlayerById(hostedConnection.getId());
+        if (player == null)
+            LOGGER.log(Level.INFO, "closed connection does not belong to an active player"); //NON-NLS
+        else { //NON-NLS
+            LOGGER.log(Level.INFO, "closed connection belongs to {0}", player); //NON-NLS
+            exit(0);
+        }
+    }
+
+    private void exit(int exitValue) { //NON-NLS
+        LOGGER.log(Level.INFO, "close request"); //NON-NLS
+        if (myServer != null)
+            for (HostedConnection client : myServer.getConnections()) //NON-NLS
+                if (client != null) client.close("Game over"); //NON-NLS
+        System.exit(exitValue);
+    }
+
+    /**
+     * Send the specified message to the specified connection.
+     *
+     * @param id      the connection id
+     * @param message the message
+     */
+    public void send(int id, ServerMessage message) {
+        if (myServer == null || !myServer.isRunning()) {
+            LOGGER.log(Level.ERROR, "no server running when trying to send {0}", message); //NON-NLS
+            return;
+        }
+        final HostedConnection connection = myServer.getConnection(id);
+        if (connection != null)
+            connection.send(message);
+        else
+            LOGGER.log(Level.ERROR, "there is no connection with id={0}", id); //NON-NLS
+    }
+}
\ No newline at end of file
diff --git a/Projekte/battleship/client/src/main/java/pp/battleship/client/server/ReceivedMessage.java b/Projekte/battleship/client/src/main/java/pp/battleship/client/server/ReceivedMessage.java
new file mode 100644
index 00000000..a688fe98
--- /dev/null
+++ b/Projekte/battleship/client/src/main/java/pp/battleship/client/server/ReceivedMessage.java
@@ -0,0 +1,17 @@
+////////////////////////////////////////
+// Programming project code
+// UniBw M, 2022, 2023, 2024
+// www.unibw.de/inf2
+// (c) Mark Minas (mark.minas@unibw.de)
+////////////////////////////////////////
+
+package pp.battleship.client.server;
+
+import pp.battleship.message.client.ClientInterpreter;
+import pp.battleship.message.client.ClientMessage;
+
+record ReceivedMessage(ClientMessage message, int from) {
+    void process(ClientInterpreter interpreter) {
+        message.accept(interpreter, from);
+    }
+}
diff --git a/Projekte/battleship/model/src/main/resources/battleship.properties b/Projekte/battleship/model/src/main/resources/battleship.properties
index 9e153b7e..9b4d2065 100644
--- a/Projekte/battleship/model/src/main/resources/battleship.properties
+++ b/Projekte/battleship/model/src/main/resources/battleship.properties
@@ -22,6 +22,7 @@ button.no=No
 button.ok=Ok
 button.connect=Connect
 button.cancel=Cancel
+host.own.server=Host server
 server.dialog=Server
 host.name=Host
 port.number=Port
diff --git a/Projekte/battleship/model/src/main/resources/battleship_de.properties b/Projekte/battleship/model/src/main/resources/battleship_de.properties
index 10ab8ace..76293de8 100644
--- a/Projekte/battleship/model/src/main/resources/battleship_de.properties
+++ b/Projekte/battleship/model/src/main/resources/battleship_de.properties
@@ -23,6 +23,7 @@ button.ok=Ok
 button.connect=Verbinde
 button.cancel=Abbruch
 server.dialog=Server
+host.own.server=Server starten
 host.name=Host
 port.number=Port
 wait.its.not.your.turn=Warte, Du bist nicht dran!!