diff --git a/Projekte/mdga/model/src/main/java/pp/mdga/game/Board.java b/Projekte/mdga/model/src/main/java/pp/mdga/game/Board.java
index 26af00c7..730c9f45 100644
--- a/Projekte/mdga/model/src/main/java/pp/mdga/game/Board.java
+++ b/Projekte/mdga/model/src/main/java/pp/mdga/game/Board.java
@@ -58,6 +58,12 @@ public void setPieceOnBoard(int index, Piece piece) {
         infield[index].setOccupant(piece);
     }
 
+    /**
+     * This method returns the index of a specific piece on the board
+     *
+     * @param piece the piece to be searched for
+     * @return the index of the piece
+     */
     public int getInfieldIndexOfPiece(Piece piece) {
         for (int i = 0; i < infield.length; i++) {
             if (infield[i].getOccupant() == piece) {
diff --git a/Projekte/mdga/model/src/main/java/pp/mdga/game/BonusCard.java b/Projekte/mdga/model/src/main/java/pp/mdga/game/BonusCard.java
index 4b4f5e47..cce4fd98 100644
--- a/Projekte/mdga/model/src/main/java/pp/mdga/game/BonusCard.java
+++ b/Projekte/mdga/model/src/main/java/pp/mdga/game/BonusCard.java
@@ -1,8 +1,23 @@
 package pp.mdga.game;
 
+/**
+ * Enum representing the different types of bonus cards.
+ */
 public enum BonusCard {
+    /**
+     * The hidden bonus card.
+     */
     HIDDEN,
+    /**
+     * The shield bonus card.
+     */
     SHIELD,
+    /**
+     * The turbo bonus card.
+     */
     TURBO,
+    /**
+     * The swap bonus card.
+     */
     SWAP
 }
diff --git a/Projekte/mdga/model/src/main/java/pp/mdga/game/BonusNode.java b/Projekte/mdga/model/src/main/java/pp/mdga/game/BonusNode.java
index 8ed4d575..157be2a1 100644
--- a/Projekte/mdga/model/src/main/java/pp/mdga/game/BonusNode.java
+++ b/Projekte/mdga/model/src/main/java/pp/mdga/game/BonusNode.java
@@ -1,20 +1,7 @@
 package pp.mdga.game;
 
+/**
+ * This class represents a BonusNode
+ */
 public class BonusNode extends Node {
-
-    public BonusNode() {}
-
-    /**
-     * This method is used to set a new Occupant
-     *
-     * @param occupant the new occupant of the node
-     */
-    @Override
-    public void setOccupant(Piece occupant) {
-        if (occupant.isSuppressed()){
-            occupant.setShield(ShieldState.NONE);
-        }
-        //Draw Card Event
-        this.occupant = occupant;
-    }
 }
diff --git a/Projekte/mdga/model/src/main/java/pp/mdga/game/Color.java b/Projekte/mdga/model/src/main/java/pp/mdga/game/Color.java
index 218416a6..828450f4 100644
--- a/Projekte/mdga/model/src/main/java/pp/mdga/game/Color.java
+++ b/Projekte/mdga/model/src/main/java/pp/mdga/game/Color.java
@@ -26,16 +26,33 @@ public enum Color {
      */
     NONE;
 
+    /**
+     * This method will be used to return a Color enumeration depending on the given index parameter.
+     *
+     * @param index as the index of the color inside the values as an Integer.
+     * @return a Color enumeration.
+     */
+    public static Color getColorByIndex(int index) {
+        if (index < 0 || index >= values().length) {
+            throw new IllegalArgumentException("");
+        }
+
+        return values()[index];
+    }
+
     /**
      * This method will be used to calculate the next color inside the sequence.
      *
      * @return color as a Color Enumeration.
      */
     public Color next() {
-        if (this.next() == NONE) {
-            return AIRFORCE;
+        Color[] colors = values();
+        int nextIndex = (this.ordinal() + 1) % colors.length;
+
+        if (colors[nextIndex] == NONE) {
+            nextIndex = (nextIndex + 1) % colors.length;
         }
 
-        return values()[(ordinal() + 1) % values().length];
+        return colors[nextIndex];
     }
 }
diff --git a/Projekte/mdga/model/src/main/java/pp/mdga/game/Die.java b/Projekte/mdga/model/src/main/java/pp/mdga/game/Die.java
new file mode 100644
index 00000000..047cf6ce
--- /dev/null
+++ b/Projekte/mdga/model/src/main/java/pp/mdga/game/Die.java
@@ -0,0 +1,133 @@
+package pp.mdga.game;
+
+import java.util.random.RandomGenerator;
+import java.util.random.RandomGeneratorFactory;
+
+/**
+ * This class represents a simple die with the possibilities to shuffle and return the roll result.
+ * An important fact, the sum of ZERO_EYE, NORMAL_EYE and DOUBLE_EYE have to be 1.0;
+ */
+public class Die {
+    /**
+     * The maximum number of eyes on the die.
+     */
+    public static final int MAXIMUM_EYES = 6;
+
+    /**
+     * The probability of rolling a zero eye.
+     */
+    public static final double ZERO_EYE = 0.2;
+
+    /**
+     * The probability of rolling a normal eye.
+     */
+    public static final double NORMAL_EYE = 0.2;
+
+    /**
+     * The probability of rolling a double eye.
+     */
+    public static final double DOUBLE_EYE = 0.6;
+
+    /**
+     * The modifier applied to the die roll.
+     */
+    private int dieModifier = 1;
+
+    /**
+     * The random number generator used for die rolls.
+     */
+    private final RandomGenerator random;
+
+    /**
+     * The result of the last die roll.
+     */
+    private int lastNumberOfDice;
+
+    /**
+     * This constructor is used to create a new Die object with a random seed.
+     */
+    public Die() {
+        this.random = RandomGeneratorFactory.of("Random").create();
+    }
+
+    /**
+     * This constructor is used to create a new Die object with a given seed.
+     *
+     * @param seed the seed for the random number generator
+     */
+    public Die(long seed) {
+        this.random = RandomGeneratorFactory.of("Random").create(seed);
+    }
+
+    /**
+     * This method will be used to return a random number generated by the random attribute of Die class.
+     *
+     * @return lastNumberOfDice as an Integer.
+     */
+    public int shuffle() {
+        this.lastNumberOfDice = this.random.nextInt(MAXIMUM_EYES) + 1;
+
+        return this.lastNumberOfDice;
+    }
+
+    /**
+     * This method will be used to return the given roll parameter.
+     * It will be used for test cases.
+     *
+     * @param roll as the roll result which will be returned as an Integer.
+     * @return lastNumberOfDice as an Integer.
+     */
+    public int shuffle(int roll) {
+        this.lastNumberOfDice = roll;
+
+        return this.lastNumberOfDice;
+    }
+
+    /**
+     * This method will be used to modify the value of dieModifier attribute of Die class.
+     */
+    public void modify() {
+        float randomFloat = this.random.nextFloat();
+        if (randomFloat < ZERO_EYE) {
+            this.dieModifier = 0;
+        } else if (ZERO_EYE <= randomFloat && randomFloat < ZERO_EYE + NORMAL_EYE) {
+            this.dieModifier = 1;
+        } else if (ZERO_EYE + NORMAL_EYE <= randomFloat && randomFloat < ZERO_EYE + NORMAL_EYE + DOUBLE_EYE) {
+            this.dieModifier = 2;
+        }
+    }
+
+    /**
+     * This method will be used to reset all values of the Die class to its origins.
+     */
+    public void reset() {
+        this.dieModifier = 1;
+    }
+
+    /**
+     * This method will be used to return dieModifier attribute of Die class.
+     *
+     * @return dieModifier as an Integer.
+     */
+    public int getDieModifier() {
+        return this.dieModifier;
+    }
+
+    /**
+     * This method will be used return lastNumberOfDice attribute of Die class.
+     *
+     * @return lastNumberOfDice as an Integer.
+     */
+    public int getLastNumberOfDice() {
+        return this.lastNumberOfDice;
+    }
+
+    /**
+     * This method will be used to set dieModifier attribute of Die class to the given dieModifier parameter.
+     *
+     * @param dieModifier as the new value of dieModifier as an Integer.
+     */
+    public void setDieModifier(int dieModifier) {
+        this.dieModifier = dieModifier;
+    }
+}
diff --git a/Projekte/mdga/model/src/main/java/pp/mdga/game/Game.java b/Projekte/mdga/model/src/main/java/pp/mdga/game/Game.java
index 883786d3..247f77f9 100644
--- a/Projekte/mdga/model/src/main/java/pp/mdga/game/Game.java
+++ b/Projekte/mdga/model/src/main/java/pp/mdga/game/Game.java
@@ -9,25 +9,43 @@
  */
 public class Game {
     /**
-     * Constants.
+     * The number of turbo cards available in the game.
      */
     public static final int AMOUNT_OF_TURBO_CARDS = 16;
-    public static final int AMOUNT_OF_SHIELD_AND_SWAP_CARDS = 12;
 
     /**
-     * Attributes.
+     * The number of shield and swap cards available in the game.
      */
+    public static final int AMOUNT_OF_SHIELD_AND_SWAP_CARDS = 12;
+
+    // The modifier applied to the dice roll.
     private int diceModifier = 1;
+
+    // The number of eyes shown on the dice.
     private int diceEyes;
+
+    // A map of player IDs to Player objects.
     private Map<Integer, Player> players = new HashMap<>();
+
+    // The statistics of the game.
     private Statistic gameStatistics;
+
+    // The pile of bonus cards available for drawing.
     private List<BonusCard> drawPile;
+
+    // The pile of bonus cards that have been discarded.
     private List<BonusCard> discardPile = new ArrayList<>();
+
+    // The game board.
     private Board board;
+
+    // The die used in the game.
+    private Die die;
+
+    // The color of the active player.
     private Color activeColor;
-    private final ArrayList<Observer> observers = new ArrayList<>();
-    private boolean allRanked = false;
-    private boolean movablePieces = false;
+
+    // A flag indicating whether all players are ready.
     private boolean allReady = false;
 
     /**
@@ -66,27 +84,10 @@ public void removePlayer(int id) {
     }
 
     /**
-     * This method adds an observer to the game.
+     * This method updates the active state of a player.
      *
-     * @param observer the observer to be added
-     */
-    public void addObserver(Observer observer) {
-        observers.add(observer);
-    }
-
-    /**
-     * This method removes an observer from the game.
-     *
-     * @param observer the observer to be removed
-     */
-    public void removeObserver(Observer observer) {
-        observers.remove(observer);
-    }
-
-    /**
-     *
-     * @param id
-     * @param active
+     * @param id     the id of the player
+     * @param active the new active state
      */
     public void updatePlayerActiveState(int id, boolean active) {
         this.players.get(id).setActive(active);
@@ -139,7 +140,7 @@ public int getNumberOfActivePlayers() {
      *
      * @return the piece specified by the UUID
      */
-    public Piece getPieceThroughUUID(UUID pieceId){
+    public Piece getPieceThroughUUID(UUID pieceId) {
         for (var playerData : board.getPlayerData().values()) {
             for (var piece : playerData.getPieces()) {
                 if (piece.getUuid().equals(pieceId)) {
@@ -150,15 +151,6 @@ public Piece getPieceThroughUUID(UUID pieceId){
         return null;
     }
 
-    /**
-     * This method notifies the observers.
-     */
-    public void notifyObservers() {
-        for (Observer observer : new ArrayList<>(observers)) {
-            //TODO: observer.update();
-        }
-    }
-
     /**
      * This method returns the dice modifier.
      *
@@ -231,15 +223,6 @@ public Color getActiveColor() {
         return activeColor;
     }
 
-    /**
-     * This method returns whether the game is interrupted.
-     *
-     * @return true if the game is interrupted, false otherwise
-     */
-    public Boolean getMovablePieces() {
-        return movablePieces;
-    }
-
     /**
      * This method sets the dice modifier.
      *
@@ -312,35 +295,6 @@ public void setActiveColor(Color activeColor) {
         this.activeColor = activeColor;
     }
 
-    /**
-     * This method sets the game interruption state.
-     *
-     * @param movablePieces the new game interruption state
-     */
-    public void setMovablePieces(Boolean movablePieces) {
-        this.movablePieces = movablePieces;
-        if (Boolean.FALSE.equals(movablePieces)) notifyObservers();
-    }
-
-    /**
-     * This method returns whether all players have ranked.
-     *
-     * @return true if all players have ranked, false otherwise
-     */
-    public Boolean allRanked() {
-        return allRanked;
-    }
-
-    /**
-     * This method sets whether all players have ranked.
-     *
-     * @param allRanked the new all ranked state
-     */
-    public void setAllRanked(Boolean allRanked) {
-        this.allRanked = allRanked;
-        if (Boolean.TRUE.equals(allRanked)) notifyObservers();
-    }
-
     /**
      * This method returns the all ready state.
      *
@@ -357,6 +311,5 @@ public Boolean allReady() {
      */
     public void setAllReady(Boolean allReady) {
         this.allReady = allReady;
-        if (Boolean.TRUE.equals(allReady)) notifyObservers();
     }
 }
diff --git a/Projekte/mdga/model/src/main/java/pp/mdga/game/HomeNode.java b/Projekte/mdga/model/src/main/java/pp/mdga/game/HomeNode.java
index 2150c0a4..8faa06b1 100644
--- a/Projekte/mdga/model/src/main/java/pp/mdga/game/HomeNode.java
+++ b/Projekte/mdga/model/src/main/java/pp/mdga/game/HomeNode.java
@@ -1,6 +1,7 @@
 package pp.mdga.game;
 
+/**
+ * Represents a home node.
+ */
 public class HomeNode extends Node {
-
-    public HomeNode() {}
 }
diff --git a/Projekte/mdga/model/src/main/java/pp/mdga/game/Node.java b/Projekte/mdga/model/src/main/java/pp/mdga/game/Node.java
index f1b0b3d7..6d42092b 100644
--- a/Projekte/mdga/model/src/main/java/pp/mdga/game/Node.java
+++ b/Projekte/mdga/model/src/main/java/pp/mdga/game/Node.java
@@ -6,8 +6,6 @@
 public class Node {
     protected Piece occupant;
 
-    public Node() {}
-
     /**
      * This method is used to get an occupant of the Node.
      *
@@ -23,7 +21,7 @@ public Piece getOccupant() {
      * @param occupant the new occupant of the node
      */
     public void setOccupant(Piece occupant) {
-        if (occupant.isSuppressed()){
+        if (occupant.isSuppressed()) {
             occupant.setShield(ShieldState.NONE);
         }
         this.occupant = occupant;
diff --git a/Projekte/mdga/model/src/main/java/pp/mdga/game/Piece.java b/Projekte/mdga/model/src/main/java/pp/mdga/game/Piece.java
index 04b9d857..15f00498 100644
--- a/Projekte/mdga/model/src/main/java/pp/mdga/game/Piece.java
+++ b/Projekte/mdga/model/src/main/java/pp/mdga/game/Piece.java
@@ -6,9 +6,24 @@
  * This class will be used to hold all Piece relevant data.
  */
 public class Piece {
+    /**
+     * The shield state of the piece.
+     */
     private ShieldState shield;
+
+    /**
+     * The current state of the piece.
+     */
     private PieceState state;
+
+    /**
+     * The color of the piece.
+     */
     private final Color color;
+
+    /**
+     * The unique identifier of the piece.
+     */
     private final UUID uuid = UUID.randomUUID();
 
     /**
diff --git a/Projekte/mdga/model/src/main/java/pp/mdga/game/PieceState.java b/Projekte/mdga/model/src/main/java/pp/mdga/game/PieceState.java
index 006e6fbd..abab1258 100644
--- a/Projekte/mdga/model/src/main/java/pp/mdga/game/PieceState.java
+++ b/Projekte/mdga/model/src/main/java/pp/mdga/game/PieceState.java
@@ -1,8 +1,23 @@
 package pp.mdga.game;
 
+/**
+ * Represents the state of a piece.
+ */
 public enum PieceState {
+    /**
+     * The piece is active.
+     */
     ACTIVE,
+    /**
+     * The piece is waiting.
+     */
     WAITING,
+    /**
+     * The piece is in the home.
+     */
     HOME,
+    /**
+     * The piece is finished.
+     */
     HOMEFINISHED
 }
diff --git a/Projekte/mdga/model/src/main/java/pp/mdga/game/Player.java b/Projekte/mdga/model/src/main/java/pp/mdga/game/Player.java
index 6029e396..7537333b 100644
--- a/Projekte/mdga/model/src/main/java/pp/mdga/game/Player.java
+++ b/Projekte/mdga/model/src/main/java/pp/mdga/game/Player.java
@@ -6,11 +6,34 @@
  * This class will be used to handle general PlayerData
  */
 public class Player {
+    /**
+     * The name of the player.
+     */
     private String name;
+
+    /**
+     * The statistics of the player.
+     */
     private Statistic playerStatistic;
+
+    /**
+     * The hand cards of the player.
+     */
     private ArrayList<BonusCard> handCards;
+
+    /**
+     * The color of the player.
+     */
     private Color color = Color.NONE;
+
+    /**
+     * Indicates if the player is ready.
+     */
     private boolean isReady;
+
+    /**
+     * Indicates if the player is active.
+     */
     private boolean active = true;
 
     /**
@@ -72,7 +95,7 @@ public ArrayList<BonusCard> getHandCards() {
      *
      * @param card the card to be added to the players hand
      */
-    public void addHandCards(BonusCard card) {
+    public void addHandCard(BonusCard card) {
         handCards.add(card);
     }
 
diff --git a/Projekte/mdga/model/src/main/java/pp/mdga/game/PlayerData.java b/Projekte/mdga/model/src/main/java/pp/mdga/game/PlayerData.java
index c68bc8ff..f03559fa 100644
--- a/Projekte/mdga/model/src/main/java/pp/mdga/game/PlayerData.java
+++ b/Projekte/mdga/model/src/main/java/pp/mdga/game/PlayerData.java
@@ -4,9 +4,24 @@
  * This class is used to represent PlayerData related to the board
  */
 public class PlayerData {
+    /**
+     * An array of HomeNode objects representing the home nodes of the player.
+     */
     private HomeNode[] homeNodes;
+
+    /**
+     * The index of the start node for the player.
+     */
     private int startNodeIndex;
+
+    /**
+     * An array of Piece objects representing the waiting area of the player.
+     */
     private Piece[] waitingArea;
+
+    /**
+     * An array of Piece objects representing all the pieces of the player.
+     */
     private Piece[] pieces;
 
     /**
@@ -75,7 +90,7 @@ public Piece[] getPieces() {
      * @param piece the piece to be added to the waiting area
      */
     public void addWaitingPiece(Piece piece) {
-        for (int i  = 0; i < 4; i++) {
+        for (int i = 0; i < 4; i++) {
             if (waitingArea[i] == null) {
                 waitingArea[i] = piece;
                 return;
diff --git a/Projekte/mdga/model/src/main/java/pp/mdga/game/ShieldState.java b/Projekte/mdga/model/src/main/java/pp/mdga/game/ShieldState.java
index 71e21c06..6bff3f52 100644
--- a/Projekte/mdga/model/src/main/java/pp/mdga/game/ShieldState.java
+++ b/Projekte/mdga/model/src/main/java/pp/mdga/game/ShieldState.java
@@ -1,7 +1,19 @@
 package pp.mdga.game;
 
+/**
+ * Represents the state of a piece's shield.
+ */
 public enum ShieldState {
+    /**
+     * The shield is not active.
+     */
     NONE,
+    /**
+     * The shield is active.
+     */
     ACTIVE,
+    /**
+     * The shield is suppressed, when the piece is on a start node.
+     */
     SUPPRESSED
 }
diff --git a/Projekte/mdga/model/src/main/java/pp/mdga/game/StartNode.java b/Projekte/mdga/model/src/main/java/pp/mdga/game/StartNode.java
index 85e70cb3..4d2de491 100644
--- a/Projekte/mdga/model/src/main/java/pp/mdga/game/StartNode.java
+++ b/Projekte/mdga/model/src/main/java/pp/mdga/game/StartNode.java
@@ -1,24 +1,21 @@
 package pp.mdga.game;
 
+/**
+ * Represents a start node.
+ */
 public class StartNode extends Node {
-
-    public StartNode(Color color) {
-        this.color = color;
-    }
-
+    /**
+     * The color of the node.
+     */
     private Color color;
 
     /**
-     * This method is used to set a new Occupant
+     * Creates a new start node with the given color.
      *
-     * @param occupant the new occupant of the node
+     * @param color the color of the node
      */
-    @Override
-    public void setOccupant(Piece occupant) {
-        if (occupant.isShielded()){
-            occupant.setShield(ShieldState.SUPPRESSED);
-        }
-        this.occupant = occupant;
+    public StartNode(Color color) {
+        this.color = color;
     }
 
     /**
diff --git a/Projekte/mdga/model/src/main/java/pp/mdga/game/Statistic.java b/Projekte/mdga/model/src/main/java/pp/mdga/game/Statistic.java
index 2b5e31aa..40675707 100644
--- a/Projekte/mdga/model/src/main/java/pp/mdga/game/Statistic.java
+++ b/Projekte/mdga/model/src/main/java/pp/mdga/game/Statistic.java
@@ -4,13 +4,39 @@
  * This class will be used to store Statistics during the Game;
  */
 public class Statistic {
+    /**
+     * The number of cards played.
+     */
     private int cardsPlayed;
+
+    /**
+     * The number of pieces thrown. (enemy)
+     */
     private int piecesThrown;
+
+    /**
+     * The number of pieces being thrown. (own pieces)
+     */
     private int piecesBeingThrown;
+
+    /**
+     * The number of times a 6 was diced.
+     */
     private int diced6;
+
+    /**
+     * The number of nodes traveled.
+     */
     private int traveledNodes;
+
+    /**
+     * The number of bonus nodes activated.
+     */
     private int activatedBonusNodes;
 
+    /**
+     * Constructs a new Statistic object with all values initialized to 0.
+     */
     public Statistic() {
         cardsPlayed = 0;
         piecesThrown = 0;