diff --git a/Projekte/mdga/model/src/main/java/pp.mdga/message/client/AnimationEnd.java b/Projekte/mdga/model/src/main/java/pp.mdga/message/client/AnimationEnd.java
index b564a96b..c6bfa62e 100644
--- a/Projekte/mdga/model/src/main/java/pp.mdga/message/client/AnimationEnd.java
+++ b/Projekte/mdga/model/src/main/java/pp.mdga/message/client/AnimationEnd.java
@@ -1,11 +1,35 @@
 package pp.mdga.message.client;
 
+import com.jme3.network.serializing.Serializable;
+
+/**
+ * A message indicating an animation event is finished in the game.
+ */
+@Serializable
 public class AnimationEnd extends ClientMessage {
-    @Override
-    public String toString() {
-        return "null";
+    /**
+     * Constructs an AnimationEnd message.
+     */
+    public AnimationEnd() {
+        super();
     }
 
+    /**
+     * Returns a string representation of this message.
+     *
+     * @return a string representation of this message
+     */
+    @Override
+    public String toString() {
+        return "AnimationEnd{}";
+    }
+
+    /**
+     * Accepts a visitor for processing this message.
+     *
+     * @param interpreter the visitor to be used for processing
+     * @param from        the connection ID of the sender
+     */
     @Override
     public void accept(ClientInterpreter interpreter, int from) {
         interpreter.received(this, from);
diff --git a/Projekte/mdga/model/src/main/java/pp.mdga/message/client/ClientInterpreter.java b/Projekte/mdga/model/src/main/java/pp.mdga/message/client/ClientInterpreter.java
index 0b7ec4d5..6e0565d0 100644
--- a/Projekte/mdga/model/src/main/java/pp.mdga/message/client/ClientInterpreter.java
+++ b/Projekte/mdga/model/src/main/java/pp.mdga/message/client/ClientInterpreter.java
@@ -1,37 +1,143 @@
 package pp.mdga.message.client;
 
+/**
+ * Visitor interface for processing all client messages.
+ */
 public interface ClientInterpreter {
-    void received(AnimationEnd animationEnd, int from);
+    /**
+     * Processes a received AnimationEnd message.
+     *
+     * @param msg  the AnimationEnd message to be processed
+     * @param from the connection ID from which the message was received
+     */
+    void received(AnimationEnd msg, int from);
 
-    void received(DeselectTSK deselectTSK , int from);
+    /**
+     * Processes a received DeselectTSK message.
+     *
+     * @param msg  the DeselectTSK message to be processed
+     * @param from the connection ID from which the message was received
+     */
+    void received(DeselectTSK msg, int from);
 
-    void received(ForceStartGame forceStartGame, int from);
 
-    void received(JoinServer joinServer , int from);
+    /**
+     * Processes a received ForceStartGame message.
+     *
+     * @param msg  the ForceStartGame message to be processed
+     * @param from the connection ID from which the message was received
+     */
+    void received(ForceStartGame msg, int from);
 
-    void received(LeaveGame leaveGame , int from);
+    /**
+     * Processes a received JoinServer message.
+     *
+     * @param msg  the JoinServer message to be processed
+     * @param from the connection ID from which the message was received
+     */
+    void received(JoinServer msg, int from);
 
-    void received(LobbyNotReady lobbyNotReady , int from);
+    /**
+     * Processes a received LeaveGame message.
+     *
+     * @param msg  the LeaveGame message to be processed
+     * @param from the connection ID from which the message was received
+     */
+    void received(LeaveGame msg, int from);
 
-    void received(LobbyReady lobbyReady , int from);
+    /**
+     * Processes a received LobbyNotReady message.
+     *
+     * @param msg  the LobbyNotReady message to be processed
+     * @param from the connection ID from which the message was received
+     */
+    void received(LobbyNotReady msg, int from);
 
-    void received(RequestBriefing requestBriefing , int from);
+    /**
+     * Processes a received LobbyReady message.
+     *
+     * @param msg  the LobbyReady message to be processed
+     * @param from the connection ID from which the message was received
+     */
+    void received(LobbyReady msg, int from);
 
-    void received(RequestDice requestDice , int from);
+    /**
+     * Processes a received RequestBriefing message.
+     *
+     * @param msg  the RequestBriefing message to be processed
+     * @param from the connection ID from which the message was received
+     */
+    void received(RequestBriefing msg, int from);
 
-    void received(RequestMove requestMove , int from);
+    /**
+     * Processes a received RequestDice message.
+     *
+     * @param msg  the RequestDice message to be processed
+     * @param from the connection ID from which the message was received
+     */
+    void received(RequestDice msg, int from);
 
-    void received(RequestPlayCard requestPlayCard , int from);
+    /**
+     * Processes a received RequestMove message.
+     *
+     * @param msg  the RequestMove message to be processed
+     * @param from the connection ID from which the message was received
+     */
+    void received(RequestMove msg, int from);
 
-    void received(SelectCard selectCard , int from);
+    /**
+     * Processes a received RequestPlayCard message.
+     *
+     * @param msg  the RequestPlayCard message to be processed
+     * @param from the connection ID from which the message was received
+     */
+    void received(RequestPlayCard msg, int from);
 
-    void received(SelectTSK selectTSK , int from);
+    /**
+     * Processes a received SelectCard message.
+     *
+     * @param msg  the SelectCard message to be processed
+     * @param from the connection ID from which the message was received
+     */
+    void received(SelectCard msg, int from);
 
-    void received(ForceContinueGame forceContinueGame, int from);
+    /**
+     * Processes a received SelectTSK message.
+     *
+     * @param msg  the SelectTSK message to be processed
+     * @param from the connection ID from which the message was received
+     */
+    void received(SelectTSK msg, int from);
 
-    void received(ClientStartGame clientStartGame, int from);
+    /**
+     * Processes a received ForceContinueGame message.
+     *
+     * @param msg  the ForceContinueGame message to be processed
+     * @param from the connection ID from which the message was received
+     */
+    void received(ForceContinueGame msg, int from);
 
-    void received(NoPowerCard noPowerCard, int from);
+    /**
+     * Processes a received ClientStartGame message.
+     *
+     * @param msg  the ClientStartGame message to be processed
+     * @param from the connection ID from which the message was received
+     */
+    void received(ClientStartGame msg, int from);
 
-    void received(SelectedPieces selectedPieces, int from);
+    /**
+     * Processes a received NoPowerCard message.
+     *
+     * @param msg  the NoPowerCard message to be processed
+     * @param from the connection ID from which the message was received
+     */
+    void received(NoPowerCard msg, int from);
+
+    /**
+     * Processes a received SelectedPieces message.
+     *
+     * @param msg  the SelectedPieces message to be processed
+     * @param from the connection ID from which the message was received
+     */
+    void received(SelectedPieces msg, int from);
 }
diff --git a/Projekte/mdga/model/src/main/java/pp.mdga/message/client/ClientMessage.java b/Projekte/mdga/model/src/main/java/pp.mdga/message/client/ClientMessage.java
index 9ae2d921..35a22cf2 100644
--- a/Projekte/mdga/model/src/main/java/pp.mdga/message/client/ClientMessage.java
+++ b/Projekte/mdga/model/src/main/java/pp.mdga/message/client/ClientMessage.java
@@ -2,10 +2,23 @@
 
 import com.jme3.network.AbstractMessage;
 
+/**
+ * An abstract base class for client messages used in network transfer.
+ * It extends the AbstractMessage class provided by the jme3-network library.
+ */
 public abstract class ClientMessage extends AbstractMessage {
+    /**
+     * Constructs a new ClientMessage instance.
+     */
     protected ClientMessage() {
         super(true);
     }
 
+    /**
+     * Accepts a visitor for processing this message.
+     *
+     * @param interpreter the visitor to be used for processing
+     * @param from        the connection ID of the sender
+     */
     public abstract void accept(ClientInterpreter interpreter, int from);
 }
diff --git a/Projekte/mdga/model/src/main/java/pp.mdga/message/client/ClientStartGame.java b/Projekte/mdga/model/src/main/java/pp.mdga/message/client/ClientStartGame.java
index 86a69f73..bde881e1 100644
--- a/Projekte/mdga/model/src/main/java/pp.mdga/message/client/ClientStartGame.java
+++ b/Projekte/mdga/model/src/main/java/pp.mdga/message/client/ClientStartGame.java
@@ -1,11 +1,35 @@
 package pp.mdga.message.client;
 
+import com.jme3.network.serializing.Serializable;
+
+/**
+ * A message sent by the host to start the game.
+ */
+@Serializable
 public class ClientStartGame extends ClientMessage {
-    @Override
-    public String toString() {
-        return "null";
+    /**
+     * Constructs a new ClientStartGame instance.
+     */
+    public ClientStartGame() {
+        super();
     }
 
+    /**
+     * Returns a string representation of this message.
+     *
+     * @return a string representation of this message
+     */
+    @Override
+    public String toString() {
+        return "ClientStartGame{}";
+    }
+
+    /**
+     * Accepts a visitor to process this message.
+     *
+     * @param interpreter the visitor to process this message
+     * @param from        the connection ID from which the message was received
+     */
     @Override
     public void accept(ClientInterpreter interpreter, int from) {
         interpreter.received(this, from);
diff --git a/Projekte/mdga/model/src/main/java/pp.mdga/message/client/DeselectTSK.java b/Projekte/mdga/model/src/main/java/pp.mdga/message/client/DeselectTSK.java
index 854c1995..77e85c03 100644
--- a/Projekte/mdga/model/src/main/java/pp.mdga/message/client/DeselectTSK.java
+++ b/Projekte/mdga/model/src/main/java/pp.mdga/message/client/DeselectTSK.java
@@ -1,23 +1,53 @@
 package pp.mdga.message.client;
 
+import com.jme3.network.serializing.Serializable;
 import pp.mdga.game.Color;
 
+/**
+ * A message sent by a client to deselect a TSK.
+ */
+@Serializable
 public class DeselectTSK extends ClientMessage {
+    /**
+     * The color associated with the TSK to be deselected.
+     */
     private final Color color;
 
+    /**
+     * Constructs a new DeselectTSK message with the specified color.
+     *
+     * @param color the color associated with the TSK to be deselected
+     */
     public DeselectTSK(Color color) {
+        super();
         this.color = color;
     }
 
+    /**
+     * Returns the color associated with the TSK to be deselected.
+     *
+     * @return the color associated with the TSK to be deselected
+     */
     public Color getColor() {
         return color;
     }
 
+    /**
+     * Returns a string representation of this message.
+     *
+     * @return a string representation of this message
+     */
     @Override
     public String toString() {
-        return "null";
+        return "DeselectTSK{" + "color=" + color + '}';
     }
 
+    /**
+     * Accepts a visitor to process this message.
+     *
+     * @param interpreter the visitor to process this message
+     * @param from        the connection ID from which the message was received
+     */
     @Override
     public void accept(ClientInterpreter interpreter, int from) {
         interpreter.received(this, from);
diff --git a/Projekte/mdga/model/src/main/java/pp.mdga/message/client/ForceContinueGame.java b/Projekte/mdga/model/src/main/java/pp.mdga/message/client/ForceContinueGame.java
index 1dd6e603..de6615f1 100644
--- a/Projekte/mdga/model/src/main/java/pp.mdga/message/client/ForceContinueGame.java
+++ b/Projekte/mdga/model/src/main/java/pp.mdga/message/client/ForceContinueGame.java
@@ -1,11 +1,35 @@
 package pp.mdga.message.client;
 
+import com.jme3.network.serializing.Serializable;
+
+/**
+ * A message sent by the host to force the continuation of the game, when the game was interrupted.
+ */
+@Serializable
 public class ForceContinueGame extends ClientMessage {
-    @Override
-    public String toString() {
-        return "null";
+    /**
+     * Constructs a new ForceContinueGame message.
+     */
+    public ForceContinueGame() {
+        super();
     }
 
+    /**
+     * Returns a string representation of this message.
+     *
+     * @return a string representation of this message
+     */
+    @Override
+    public String toString() {
+        return "ForceContinueGame{}";
+    }
+
+    /**
+     * Accepts a visitor to process this message.
+     *
+     * @param interpreter the visitor to process this message
+     * @param from        the connection ID from which the message was received
+     */
     @Override
     public void accept(ClientInterpreter interpreter, int from) {
         interpreter.received(this, from);
diff --git a/Projekte/mdga/model/src/main/java/pp.mdga/message/client/ForceStartGame.java b/Projekte/mdga/model/src/main/java/pp.mdga/message/client/ForceStartGame.java
index 32bf769c..2a98e880 100644
--- a/Projekte/mdga/model/src/main/java/pp.mdga/message/client/ForceStartGame.java
+++ b/Projekte/mdga/model/src/main/java/pp.mdga/message/client/ForceStartGame.java
@@ -1,15 +1,35 @@
 package pp.mdga.message.client;
 
-public class ForceStartGame extends ClientMessage {
-    public ForceStartGame() {
+import com.jme3.network.serializing.Serializable;
 
+/**
+ * A message sent by the host to force start the game when not everyone is ready or not everyone has selected a TSK.
+ */
+@Serializable
+public class ForceStartGame extends ClientMessage {
+    /**
+     * Constructs a new ForceStartGame message.
+     */
+    public ForceStartGame() {
+        super();
     }
 
+    /**
+     * Returns a string representation of this message.
+     *
+     * @return a string representation of this message
+     */
     @Override
     public String toString() {
-        return "null";
+        return "ForceStartGame{}";
     }
 
+    /**
+     * Accepts a visitor to process this message.
+     *
+     * @param interpreter the visitor to process this message
+     * @param from        the connection ID from which the message was received
+     */
     @Override
     public void accept(ClientInterpreter interpreter, int from) {
         interpreter.received(this, from);
diff --git a/Projekte/mdga/model/src/main/java/pp.mdga/message/client/JoinServer.java b/Projekte/mdga/model/src/main/java/pp.mdga/message/client/JoinServer.java
index 9971ab68..a7192fe9 100644
--- a/Projekte/mdga/model/src/main/java/pp.mdga/message/client/JoinServer.java
+++ b/Projekte/mdga/model/src/main/java/pp.mdga/message/client/JoinServer.java
@@ -1,11 +1,35 @@
 package pp.mdga.message.client;
 
+import com.jme3.network.serializing.Serializable;
+
+/**
+ * A message sent by a client when joining the server.
+ */
+@Serializable
 public class JoinServer extends ClientMessage {
-    @Override
-    public String toString() {
-        return "null";
+    /**
+     * Constructs a new JoinServer instance.
+     */
+    public JoinServer() {
+        super();
     }
 
+    /**
+     * Returns a string representation of this message.
+     *
+     * @return a string representation of this message
+     */
+    @Override
+    public String toString() {
+        return "JoinServer{}";
+    }
+
+    /**
+     * Accepts a visitor to process this message.
+     *
+     * @param interpreter the visitor to process this message
+     * @param from        the connection ID from which the message was received
+     */
     @Override
     public void accept(ClientInterpreter interpreter, int from) {
         interpreter.received(this, from);
diff --git a/Projekte/mdga/model/src/main/java/pp.mdga/message/client/LeaveGame.java b/Projekte/mdga/model/src/main/java/pp.mdga/message/client/LeaveGame.java
index 2da13e64..c6c7fda3 100644
--- a/Projekte/mdga/model/src/main/java/pp.mdga/message/client/LeaveGame.java
+++ b/Projekte/mdga/model/src/main/java/pp.mdga/message/client/LeaveGame.java
@@ -1,11 +1,35 @@
 package pp.mdga.message.client;
 
+import com.jme3.network.serializing.Serializable;
+
+/**
+ * A message sent by a client to leave the game.
+ */
+@Serializable
 public class LeaveGame extends ClientMessage {
-    @Override
-    public String toString() {
-        return "null";
+    /**
+     * Constructs a new LeaveGame instance.
+     */
+    public LeaveGame() {
+        super();
     }
 
+    /**
+     * Returns a string representation of this message.
+     *
+     * @return a string representation of this message
+     */
+    @Override
+    public String toString() {
+        return "LeaveGame{}";
+    }
+
+    /**
+     * Accepts a visitor to process this message.
+     *
+     * @param interpreter the visitor to process this message
+     * @param from        the connection ID from which the message was received
+     */
     @Override
     public void accept(ClientInterpreter interpreter, int from) {
         interpreter.received(this, from);
diff --git a/Projekte/mdga/model/src/main/java/pp.mdga/message/client/LobbyNotReady.java b/Projekte/mdga/model/src/main/java/pp.mdga/message/client/LobbyNotReady.java
index 8709c648..fb853c3f 100644
--- a/Projekte/mdga/model/src/main/java/pp.mdga/message/client/LobbyNotReady.java
+++ b/Projekte/mdga/model/src/main/java/pp.mdga/message/client/LobbyNotReady.java
@@ -1,11 +1,35 @@
 package pp.mdga.message.client;
 
+import com.jme3.network.serializing.Serializable;
+
+/**
+ * A message sent by a client to unready in the lobby.
+ */
+@Serializable
 public class LobbyNotReady extends ClientMessage {
-    @Override
-    public String toString() {
-        return "null";
+    /**
+     * Constructs a new LobbyNotReady instance.
+     */
+    public LobbyNotReady() {
+        super();
     }
 
+    /**
+     * Returns a string representation of this message.
+     *
+     * @return a string representation of this message
+     */
+    @Override
+    public String toString() {
+        return "LobbyNotReady{}";
+    }
+
+    /**
+     * Accepts a visitor to process this message.
+     *
+     * @param interpreter the visitor to process this message
+     * @param from        the connection ID from which the message was received
+     */
     @Override
     public void accept(ClientInterpreter interpreter, int from) {
         interpreter.received(this, from);
diff --git a/Projekte/mdga/model/src/main/java/pp.mdga/message/client/LobbyReady.java b/Projekte/mdga/model/src/main/java/pp.mdga/message/client/LobbyReady.java
index 838111ba..3427a15c 100644
--- a/Projekte/mdga/model/src/main/java/pp.mdga/message/client/LobbyReady.java
+++ b/Projekte/mdga/model/src/main/java/pp.mdga/message/client/LobbyReady.java
@@ -1,11 +1,35 @@
 package pp.mdga.message.client;
 
+import com.jme3.network.serializing.Serializable;
+
+/**
+ * A message sent by the client to ready-up in the lobby.
+ */
+@Serializable
 public class LobbyReady extends ClientMessage {
-    @Override
-    public String toString() {
-        return "null";
+    /**
+     * Constructs a new LobbyReady instance.
+     */
+    public LobbyReady() {
+        super();
     }
 
+    /**
+     * Returns a string representation of this message.
+     *
+     * @return a string representation of this message
+     */
+    @Override
+    public String toString() {
+        return "LobbyReady{}";
+    }
+
+    /**
+     * Accepts a visitor to process this message.
+     *
+     * @param interpreter the visitor to process this message
+     * @param from        the connection ID from which the message was received
+     */
     @Override
     public void accept(ClientInterpreter interpreter, int from) {
         interpreter.received(this, from);
diff --git a/Projekte/mdga/model/src/main/java/pp.mdga/message/client/NoPowerCard.java b/Projekte/mdga/model/src/main/java/pp.mdga/message/client/NoPowerCard.java
index 3fa227de..edce79c8 100644
--- a/Projekte/mdga/model/src/main/java/pp.mdga/message/client/NoPowerCard.java
+++ b/Projekte/mdga/model/src/main/java/pp.mdga/message/client/NoPowerCard.java
@@ -1,11 +1,35 @@
 package pp.mdga.message.client;
 
+import com.jme3.network.serializing.Serializable;
+
+/**
+ * A message sent by a client to indicate that the player is not using a power card.
+ */
+@Serializable
 public class NoPowerCard extends ClientMessage {
-    @Override
-    public String toString() {
-        return "null";
+    /**
+     * Constructs a new NoPowerCard instance.
+     */
+    public NoPowerCard() {
+        super();
     }
 
+    /**
+     * Returns a string representation of this message.
+     *
+     * @return a string representation of this message
+     */
+    @Override
+    public String toString() {
+        return "NoPowerCard{}";
+    }
+
+    /**
+     * Accepts a visitor to process this message.
+     *
+     * @param interpreter the visitor to process this message
+     * @param from        the connection ID from which the message was received
+     */
     @Override
     public void accept(ClientInterpreter interpreter, int from) {
         interpreter.received(this, from);
diff --git a/Projekte/mdga/model/src/main/java/pp.mdga/message/client/RequestBriefing.java b/Projekte/mdga/model/src/main/java/pp.mdga/message/client/RequestBriefing.java
index d1c12ff8..60fa41ba 100644
--- a/Projekte/mdga/model/src/main/java/pp.mdga/message/client/RequestBriefing.java
+++ b/Projekte/mdga/model/src/main/java/pp.mdga/message/client/RequestBriefing.java
@@ -1,11 +1,35 @@
 package pp.mdga.message.client;
 
+import com.jme3.network.serializing.Serializable;
+
+/**
+ * A message sent by a client to request a briefing from the server. (after a reconnect)
+ */
+@Serializable
 public class RequestBriefing extends ClientMessage {
-    @Override
-    public String toString() {
-        return "null";
+    /**
+     * Constructs a new RequestBriefing instance.
+     */
+    public RequestBriefing() {
+        super();
     }
 
+    /**
+     * Returns a string representation of this message.
+     *
+     * @return a string representation of this message
+     */
+    @Override
+    public String toString() {
+        return "RequestBriefing{}";
+    }
+
+    /**
+     * Accepts a visitor to process this message.
+     *
+     * @param interpreter the visitor to process this message
+     * @param from        the connection ID from which the message was received
+     */
     @Override
     public void accept(ClientInterpreter interpreter, int from) {
         interpreter.received(this, from);
diff --git a/Projekte/mdga/model/src/main/java/pp.mdga/message/client/RequestDice.java b/Projekte/mdga/model/src/main/java/pp.mdga/message/client/RequestDice.java
index 298866d1..bfd687bd 100644
--- a/Projekte/mdga/model/src/main/java/pp.mdga/message/client/RequestDice.java
+++ b/Projekte/mdga/model/src/main/java/pp.mdga/message/client/RequestDice.java
@@ -1,11 +1,35 @@
 package pp.mdga.message.client;
 
+import com.jme3.network.serializing.Serializable;
+
+/**
+ * A message sent by a client to request a die roll.
+ */
+@Serializable
 public class RequestDice extends ClientMessage {
-    @Override
-    public String toString() {
-        return "null";
+    /**
+     * Constructs a new RequestDice instance.
+     */
+    public RequestDice() {
+        super();
     }
 
+    /**
+     * Returns a string representation of this message.
+     *
+     * @return a string representation of this message
+     */
+    @Override
+    public String toString() {
+        return "RequestDice{}";
+    }
+
+    /**
+     * Accepts a visitor to process this message.
+     *
+     * @param interpreter the visitor to process this message
+     * @param from        the connection ID from which the message was received
+     */
     @Override
     public void accept(ClientInterpreter interpreter, int from) {
         interpreter.received(this, from);
diff --git a/Projekte/mdga/model/src/main/java/pp.mdga/message/client/RequestMove.java b/Projekte/mdga/model/src/main/java/pp.mdga/message/client/RequestMove.java
index 48fd187d..a2b14f23 100644
--- a/Projekte/mdga/model/src/main/java/pp.mdga/message/client/RequestMove.java
+++ b/Projekte/mdga/model/src/main/java/pp.mdga/message/client/RequestMove.java
@@ -1,30 +1,49 @@
 package pp.mdga.message.client;
 
-import pp.mdga.game.Color;
+import com.jme3.network.serializing.Serializable;
 
+/**
+ * A message sent by a client to request a move for a piece.
+ */
+@Serializable
 public class RequestMove extends ClientMessage {
-
+    /**
+     * The identifier for the piece.
+     */
     private final String pieceIdentifier;
 
-    /** Constructor for RequestMove
+    /**
+     * Constructor for RequestMove
      * @param pieceIdentifier the piece identifier
      */
     public RequestMove(String pieceIdentifier) {
         this.pieceIdentifier = pieceIdentifier;
     }
 
-    /** Getter for the piece identifier
+    /**
+     * Getter for the piece identifier
      * @return the piece identifier
      */
     public String getPieceIdentifier() {
         return pieceIdentifier;
     }
 
+    /**
+     * Returns a string representation of this message.
+     *
+     * @return a string representation of this message
+     */
     @Override
     public String toString() {
-        return pieceIdentifier;
+        return "RequestMove{pieceIdentifier = " + pieceIdentifier + '}';
     }
 
+    /**
+     * Accepts a visitor to process this message.
+     *
+     * @param interpreter the visitor to process this message
+     * @param from        the connection ID from which the message was received
+     */
     @Override
     public void accept(ClientInterpreter interpreter, int from) {
         interpreter.received(this, from);
diff --git a/Projekte/mdga/model/src/main/java/pp.mdga/message/client/RequestPlayCard.java b/Projekte/mdga/model/src/main/java/pp.mdga/message/client/RequestPlayCard.java
index 67885e0f..17c25f61 100644
--- a/Projekte/mdga/model/src/main/java/pp.mdga/message/client/RequestPlayCard.java
+++ b/Projekte/mdga/model/src/main/java/pp.mdga/message/client/RequestPlayCard.java
@@ -1,30 +1,68 @@
 package pp.mdga.message.client;
 
+import com.jme3.network.serializing.Serializable;
 import pp.mdga.game.BonusCard;
 
+/**
+ * A message sent by a client to request playing a bonus card.
+ */
+@Serializable
 public class RequestPlayCard extends ClientMessage {
-
+    /**
+     * The bonus card to be played.
+     */
     private final BonusCard card;
+
+    /**
+     * The identifier of the piece.
+     */
     private final String pieceIdentifier;
 
+    /**
+     * Constructs a new RequestPlayCard instance.
+     *
+     * @param card the bonus card to be played
+     * @param pieceIdentifier the identifier of the piece
+     */
     public RequestPlayCard(BonusCard card, String pieceIdentifier) {
         this.pieceIdentifier = pieceIdentifier;
         this.card = card;
     }
 
+    /**
+     * Gets the bonus card associated with this request.
+     *
+     * @return the bonus card
+     */
     public BonusCard getCard() {
         return card;
     }
 
+    /**
+     * Gets the piece identifier associated with this request.
+     *
+     * @return the piece identifier
+     */
     public String getPieceIdentifier() {
         return pieceIdentifier;
     }
 
+    /**
+     * Returns a string representation of this message.
+     *
+     * @return a string representation of this message
+     */
     @Override
     public String toString() {
-        return card.toString();
+        return "RequestPlayCard={card=" + card.toString() + '}';
     }
 
+    /**
+     * Accepts a visitor to process this message.
+     *
+     * @param interpreter the visitor to process this message
+     * @param from        the connection ID from which the message was received
+     */
     @Override
     public void accept(ClientInterpreter interpreter, int from) {
         interpreter.received(this, from);
diff --git a/Projekte/mdga/model/src/main/java/pp.mdga/message/client/SelectCard.java b/Projekte/mdga/model/src/main/java/pp.mdga/message/client/SelectCard.java
index 44957a6c..a50d1fe6 100644
--- a/Projekte/mdga/model/src/main/java/pp.mdga/message/client/SelectCard.java
+++ b/Projekte/mdga/model/src/main/java/pp.mdga/message/client/SelectCard.java
@@ -1,24 +1,52 @@
 package pp.mdga.message.client;
 
+import com.jme3.network.serializing.Serializable;
 import pp.mdga.game.BonusCard;
 
+/**
+ * A message sent from the client to the server to select a bonus card.
+ */
+@Serializable
 public class SelectCard extends ClientMessage {
-
+    /**
+     * The bonus card to be selected.
+     */
     private final BonusCard card;
 
+    /**
+     * Constructs a new SelectCard instance.
+     *
+     * @param card the bonus card to be selected
+     */
     public SelectCard(BonusCard card) {
         this.card = card;
     }
 
+    /**
+     * Gets the bonus card associated with this selection.
+     *
+     * @return the bonus card
+     */
     public BonusCard getCard() {
         return card;
     }
 
+    /**
+     * Returns a string representation of this message.
+     *
+     * @return a string representation of this message
+     */
     @Override
     public String toString() {
-        return "null";
+        return "SelectCard{card=" + card + '}';
     }
 
+    /**
+     * Accepts a visitor to process this message.
+     *
+     * @param interpreter the visitor to process this message
+     * @param from        the connection ID from which the message was received
+     */
     @Override
     public void accept(ClientInterpreter interpreter, int from) {
         interpreter.received(this, from);
diff --git a/Projekte/mdga/model/src/main/java/pp.mdga/message/client/SelectTSK.java b/Projekte/mdga/model/src/main/java/pp.mdga/message/client/SelectTSK.java
index 02a5c4cf..6b870434 100644
--- a/Projekte/mdga/model/src/main/java/pp.mdga/message/client/SelectTSK.java
+++ b/Projekte/mdga/model/src/main/java/pp.mdga/message/client/SelectTSK.java
@@ -1,7 +1,9 @@
 package pp.mdga.message.client;
 
+import com.jme3.network.serializing.Serializable;
 import pp.mdga.game.Color;
 
+@Serializable
 public class SelectTSK extends ClientMessage {
 
     private final Color color;
@@ -13,12 +15,23 @@ public SelectTSK(Color color) {
     public Color getColor() {
         return color;
     }
-    
+
+    /**
+     * Returns a string representation of this message.
+     *
+     * @return a string representation of this message
+     */
     @Override
     public String toString() {
-        return "null";
+        return "SelectTSK{color=" + color + '}';
     }
 
+    /**
+     * Accepts a visitor to process this message.
+     *
+     * @param interpreter the visitor to process this message
+     * @param from        the connection ID from which the message was received
+     */
     @Override
     public void accept(ClientInterpreter interpreter, int from) {
         interpreter.received(this, from);
diff --git a/Projekte/mdga/model/src/main/java/pp.mdga/message/client/SelectedPieces.java b/Projekte/mdga/model/src/main/java/pp.mdga/message/client/SelectedPieces.java
index 50290e19..2e4f6a8d 100644
--- a/Projekte/mdga/model/src/main/java/pp.mdga/message/client/SelectedPieces.java
+++ b/Projekte/mdga/model/src/main/java/pp.mdga/message/client/SelectedPieces.java
@@ -1,30 +1,49 @@
 package pp.mdga.message.client;
 
-import pp.mdga.game.Color;
+import com.jme3.network.serializing.Serializable;
 
+/**
+ * A message sent by a client to indicate that a piece has been selected for a bonus cards.
+ */
+@Serializable
 public class SelectedPieces extends ClientMessage {
-
+    /**
+     * The piece identifier.
+     */
     private String pieceIdentifier;
 
-    /** Constructor for SelectedPieces
+    /**
+     * Constructor for SelectedPieces
      * @param pieceIdentifier the piece identifier
      */
     public SelectedPieces(String pieceIdentifier) {
         this.pieceIdentifier = pieceIdentifier;
     }
 
-    /** Getter for the piece identifier
+    /**
+     * Getter for the piece identifier
      * @return the piece identifier
      */
     public String getPieceIdentifier() {
         return pieceIdentifier;
     }
 
+    /**
+     * Returns a string representation of this message.
+     *
+     * @return a string representation of this message
+     */
     @Override
     public String toString() {
-        return "null";
+        return "SelectedPieces{pieceIdentifier=" + pieceIdentifier + '}';
     }
 
+    /**
+     * Accepts a visitor to process this message.
+     *
+     * @param interpreter the visitor to process this message
+     * @param from        the connection ID from which the message was received
+     */
     @Override
     public void accept(ClientInterpreter interpreter, int from) {
         interpreter.received(this, from);