diff --git a/source/Trek-12/Models/Game/Game.cs b/source/Trek-12/Models/Game/Game.cs
index 39d242f..94e7e21 100644
--- a/source/Trek-12/Models/Game/Game.cs
+++ b/source/Trek-12/Models/Game/Game.cs
@@ -45,6 +45,17 @@ namespace Models.Game
             Dice2.Roll();
         }
 
+        /// <summary>
+        /// Performs an operation on the values of two dice based on the provided operation.
+        /// </summary>
+        /// <param name="o">The operation to perform. This can be LOWER, HIGHER, SUBTRACTION, ADDITION, or MULTIPLICATION.</param>
+        /// <returns>
+        /// The result of the operation. If the operation is LOWER or HIGHER, it returns the lower or higher value of the two dice respectively.
+        /// If the operation is SUBTRACTION, it returns the difference between the higher and lower value of the two dice.
+        /// If the operation is ADDITION, it returns the sum of the values of the two dice.
+        /// If the operation is MULTIPLICATION, it returns the product of the values of the two dice.
+        /// If the operation is not one of the operations, it throws an ArgumentOutOfRangeException.
+        /// </returns>
         public int ResultOperation(Operation o)
         {
             switch (o)
@@ -65,7 +76,7 @@ namespace Models.Game
                     return Dice2.Value * Dice1.Value;
                 
                 default:
-                    return 0;
+                    throw new ArgumentOutOfRangeException();
             }
         }
 
@@ -83,13 +94,16 @@ namespace Models.Game
             
         }
         
+        /// <summary>
+        /// Initializes the game.
+        /// </summary>
         public void InitializeGame()
         {
             _isRunning = true;
             GameStarted?.Invoke(this, new GameStartedEventArgs(CurrentPlayer));
-
             GameLoop();
         }
+        
 
         private async void GameLoop()
         {