diff --git a/Casino/Audioplayer.cs b/Casino/Audioplayer.cs
index 2b81607..86255f5 100644
--- a/Casino/Audioplayer.cs
+++ b/Casino/Audioplayer.cs
@@ -9,7 +9,7 @@ using System.Windows.Shapes;
 
 namespace Casino
 {
-    class Audioplayer
+    class Audioplayer //ki
     {
         private readonly MediaPlayer player = new MediaPlayer();
         private readonly MediaPlayer shortplayer = new MediaPlayer();
diff --git a/Casino/Busfahrer.xaml b/Casino/Busfahrer.xaml
index 78675d4..42fd245 100644
--- a/Casino/Busfahrer.xaml
+++ b/Casino/Busfahrer.xaml
@@ -11,6 +11,7 @@
         WindowState="Maximized"
         WindowStyle="None"
         Background="#195925">
+        <!-- Lenard Gerdes -->
 
     <Grid>
         <Grid.ColumnDefinitions>
@@ -37,7 +38,6 @@
             <RowDefinition Height="1*"></RowDefinition>
         </Grid.RowDefinitions>
 
-        <!-- Main Menu -->
         <Button Grid.Column="0"
                 Grid.Row="0"
                 Content="Main Menu"
@@ -53,7 +53,7 @@
         <Image Grid.Column="7" Grid.Row="2" x:Name="Bild_3" Margin="5" Stretch="Uniform"/>
         <Image Grid.Column="9" Grid.Row="2" x:Name="Bild_4" Margin="5" Stretch="Uniform"/>
 
-        <!-- Frage 1: Rot / Schwarz -->
+        <!-- Rot / Schwarz -->
         <StackPanel x:Name="PanelRedBlack"
                     Grid.Row="3"
                     Grid.Column="3"
@@ -86,7 +86,7 @@
                     Tag="Black"/>
         </StackPanel>
 
-        <!-- Frage 2: Höher / Niedriger -->
+        <!-- Höher / Niedriger -->
         <StackPanel x:Name="PanelHigherLower"
                     Grid.Row="3"
                     Grid.Column="3"
@@ -120,7 +120,7 @@
                     Tag="Lower"/>
         </StackPanel>
 
-        <!-- Frage 3: Innen / Außen -->
+        <!-- Innen / Außen -->
         <StackPanel x:Name="PanelInsideOutside"
                     Grid.Row="3"
                     Grid.Column="3"
@@ -154,7 +154,7 @@
                     Tag="Outside"/>
         </StackPanel>
 
-        <!-- Frage 4: Symbol -->
+        <!-- Symbol -->
         <StackPanel x:Name="PanelSuit"
                     Grid.Row="3"
                     Grid.Column="3"
diff --git a/Casino/Busfahrer.xaml.cs b/Casino/Busfahrer.xaml.cs
index 67b01c3..c16e7be 100644
--- a/Casino/Busfahrer.xaml.cs
+++ b/Casino/Busfahrer.xaml.cs
@@ -15,7 +15,7 @@ namespace Casino
 {
     public partial class Busfahrer : Window
     {
-        public class Card
+        public class Card //Colin Langer
         {
             public int Id { get; set; }
             public string WertRaw { get; set; } = string.Empty;
@@ -25,11 +25,9 @@ namespace Casino
 
             public bool IsRed =>
                 FarbeRaw.Equals("Hearts", StringComparison.OrdinalIgnoreCase) ||
-                FarbeRaw.Equals("Diamonds", StringComparison.OrdinalIgnoreCase) ||
-                FarbeRaw.Equals("Diamond", StringComparison.OrdinalIgnoreCase) ||
-                FarbeRaw.Equals("Herz", StringComparison.OrdinalIgnoreCase) ||
-                FarbeRaw.Equals("Karo", StringComparison.OrdinalIgnoreCase);
+                FarbeRaw.Equals("Diamond", StringComparison.OrdinalIgnoreCase);
 
+            //Colin Langer
             public Card(int id, string wert, string farbe, byte[] imgBytes)
             {
                 Id = id;
@@ -42,19 +40,19 @@ namespace Casino
                     Image = ByteArrayToImage(imgBytes);
                 }
             }
-
+            //Colin Langer
             private static int ParseValue(string wert)
             {
                 return wert.Trim() switch
                 {
-                    "Jack" or "Bube" => 11,
-                    "Queen" or "Dame" => 12,
-                    "King" or "König" => 13,
-                    "Ace" or "Ass" => 14,
+                    "Jack" => 11,
+                    "Queen" => 12,
+                    "King" => 13,
+                    "Ace" => 14,
                     _ => int.TryParse(wert, out int value) ? value : 0
                 };
             }
-
+            //Colin Langer
             private static BitmapImage ByteArrayToImage(byte[] bytes)
             {
                 BitmapImage image = new BitmapImage();
@@ -98,30 +96,23 @@ namespace Casino
 
         private User CurrentUser => users[MainWindow.currentUser];
 
-        // =========================
-        // KONTO
-        // =========================
-
+        // Lenard Gerdes
         private void UpdateAccountDisplay()
         {
             Konto.Text = CurrentUser.Geld.ToString();
         }
-
+        // Lenard Gerdes
         private void SaveAccount()
         {
             db.UpdateGeld(CurrentUser.ID, CurrentUser.Geld);
             UpdateAccountDisplay();
         }
-
-        // =========================
-        // SPIEL STARTEN
-        // =========================
-
+        //Colin Langer
         private void BtnStart_Click(object sender, RoutedEventArgs e)
         {
             StartGameFromInput();
         }
-
+        //Colin Langer
         private void StartGameFromInput()
         {
             if (roundRunning)
@@ -154,7 +145,7 @@ namespace Casino
             currentBet = bet;
             StartRound();
         }
-
+        //Colin Langer
         private void StartRound()
         {
             try
@@ -190,7 +181,7 @@ namespace Casino
 
             
         }
-
+        //Colin Langer
         private void LoadCards()
         {
             deck = db.GetAllCards()
@@ -211,7 +202,7 @@ namespace Casino
                 handCards.Add(DrawCard());
             }
         }
-
+        //Colin Langer
         private Card DrawCard()
         {
             Card card = deck[0];
@@ -222,7 +213,7 @@ namespace Casino
         // =========================
         // KARTEN ANZEIGEN
         // =========================
-
+        //Colin Langer
         private void UpdateHandUI()
         {
             Bild_1.Source = cardBackImage;
@@ -286,7 +277,7 @@ namespace Casino
         // =========================
         // SPIELLOGIK
         // =========================
-
+        // Lenard Gerdes
         private async Task ProcessGuessAsync(bool success)
         {
             if (!roundRunning)
@@ -345,7 +336,7 @@ namespace Casino
                 }
             }
         }
-
+        //Colin Langer
         private decimal CalculateCurrentProfit()
         {
             return currentPhase switch
@@ -357,11 +348,7 @@ namespace Casino
                 _ => 0
             };
         }
-
-        // =========================
-        // FRAGEN
-        // =========================
-
+        //Colin Langer
         private async void ColorButton_Click(object sender, RoutedEventArgs e)
         {
             if (sender is not Button button)
@@ -383,7 +370,7 @@ namespace Casino
 
             await ProcessGuessAsync(success);
         }
-
+        //Colin Langer
         private async void HigherLowerButton_Click(object sender, RoutedEventArgs e)
         {
             if (sender is not Button button)
@@ -402,7 +389,7 @@ namespace Casino
 
             await ProcessGuessAsync(success);
         }
-
+        //Colin Langer
         private async void InsideOutsideButton_Click(object sender, RoutedEventArgs e)
         {
             if (sender is not Button button)
@@ -424,7 +411,7 @@ namespace Casino
 
             await ProcessGuessAsync(success);
         }
-
+        //Colin Langer
         private async void BtnSuit_Click(object sender, RoutedEventArgs e)
         {
             if (sender is not Button button || button.Tag == null)
@@ -439,7 +426,7 @@ namespace Casino
 
             await ProcessGuessAsync(success);
         }
-
+        //Colin Langer
         private static bool IsSameSuit(string cardSuit, string chosenSuit)
         {
             if (cardSuit.Equals(chosenSuit, StringComparison.OrdinalIgnoreCase))
@@ -449,25 +436,20 @@ namespace Casino
 
             return chosenSuit switch
             {
-                "Hearts" => cardSuit.Equals("Herz", StringComparison.OrdinalIgnoreCase),
-                "Diamonds" => cardSuit.Equals("Karo", StringComparison.OrdinalIgnoreCase) ||
-                              cardSuit.Equals("Diamond", StringComparison.OrdinalIgnoreCase),
-                "Spades" => cardSuit.Equals("Pik", StringComparison.OrdinalIgnoreCase),
-                "Clubs" => cardSuit.Equals("Kreuz", StringComparison.OrdinalIgnoreCase),
+                "Hearts" => cardSuit.Equals("Hearts", StringComparison.OrdinalIgnoreCase),
+                "Diamonds" => cardSuit.Equals("Diamond", StringComparison.OrdinalIgnoreCase),
+                "Spades" => cardSuit.Equals("Spades", StringComparison.OrdinalIgnoreCase),
+                "Clubs" => cardSuit.Equals("Clubs", StringComparison.OrdinalIgnoreCase),
                 _ => false
             };
         }
-
+        //Colin Langer
         private enum CardColor
         {
             Red,
             Black
         }
-
-        // =========================
-        // CASH OUT
-        // =========================
-
+        //Colin Langer
         private void BtnCashOut_Click(object sender, RoutedEventArgs e)
         {
             if (!roundRunning || currentProfit <= 0)
@@ -488,7 +470,7 @@ namespace Casino
 
             ShowWaitingState();
         }
-
+        //Colin Langer
         private void PayoutCurrentProfit()
         {
             if (currentProfit <= 0)
@@ -503,7 +485,7 @@ namespace Casino
         // =========================
         // UI
         // =========================
-
+        //Colin Langer
         private void SetPhaseUI()
         {
             PanelRedBlack.Visibility = Visibility.Collapsed;
@@ -541,7 +523,7 @@ namespace Casino
                     break;
             }
         }
-
+        //Colin Langer
         private void ShowWaitingState()
         {
             roundRunning = false;
@@ -554,26 +536,18 @@ namespace Casino
             BtnStart.Visibility = Visibility.Visible;
             TxtBet.IsEnabled = true;
         }
-
+        //Colin Langer
         private void UpdateWinDisplay()
         {
             BtnCashOut.Content = $"Cash Out (${currentProfit:F2})";
         }
-
-        // =========================
-        // HAUPTMENÜ
-        // =========================
-
+        //Colin Langer
         private void Hauptmenue(object sender, RoutedEventArgs e)
         {
             music.Stop();
             Close();
         }
-
-        // =========================
-        // BILD AUS BYTE[]
-        // =========================
-
+        //Colin Langer
         private static BitmapImage ByteArrayToImage(byte[] bytes)
         {
             BitmapImage image = new BitmapImage();
@@ -591,7 +565,7 @@ namespace Casino
         }
 
         // =========================
-        // EINSATZ VALIDIERUNG
+        // EINSATZfeld Colin Langer
         // =========================
 
 
diff --git a/Casino/Database.cs b/Casino/Database.cs
index 935851f..81725ad 100644
--- a/Casino/Database.cs
+++ b/Casino/Database.cs
@@ -17,6 +17,7 @@ namespace Casino
         {
             ObservableCollection<User> user = new ObservableCollection<User>();
 
+            //Lenard Gerdes
             try
             {
                 MySql.Data.MySqlClient.MySqlConnection myConnection;
@@ -84,7 +85,7 @@ namespace Casino
             }
         }
 
-
+        //Colin Langer
         public byte[] GetCardImage(int id)
         {
             byte[] imageBytes = null;
@@ -108,7 +109,7 @@ namespace Casino
 
             return imageBytes;
         }
-
+        //Cloin Langer
         public List<Busfahrer.Card> GetAllCards()
         {
             var cards = new List<Busfahrer.Card>();
@@ -137,8 +138,8 @@ namespace Casino
 
             return cards;
         }
-
-        // NEU: Holt das Bild der Kartenrückseite
+     
+        // Holt das Bild der Kartenrückseite Colin Langer
         public byte[] GetCardBackImage()
         {
             byte[] imageBytes = null;
@@ -211,10 +212,10 @@ namespace Casino
                 connection.Open();
 
                 string sql = @"
-            SELECT COUNT(*)
-            FROM Nutzer
-            WHERE id = @id
-              AND Rolle = 'Admin'";
+                SELECT COUNT(*)
+                FROM Nutzer
+                WHERE id = @id
+                AND Rolle = 'Admin'";
 
                 using MySqlCommand command = new MySqlCommand(sql, connection);
 
@@ -245,8 +246,8 @@ namespace Casino
                 connection.Open();
 
                 string sql = @"
-            DELETE FROM Nutzer
-            WHERE id = @id";
+                DELETE FROM Nutzer
+                WHERE id = @id";
 
                 using MySqlCommand command = new MySqlCommand(sql, connection);
 
@@ -283,13 +284,13 @@ namespace Casino
                 connection.Open();
 
                 string sql = @"
-            UPDATE Nutzer
-            SET name = @name,
+                UPDATE Nutzer
+                SET name = @name,
                 age = @age,
                 passwort = @passwort,
                 geld = @geld,
                 Rolle = @rolle
-            WHERE id = @id";
+                WHERE id = @id";
 
                 using MySqlCommand command = new MySqlCommand(sql, connection);
 
diff --git a/Casino/Decks.cs b/Casino/Decks.cs
deleted file mode 100644
index 9460ce8..0000000
--- a/Casino/Decks.cs
+++ /dev/null
@@ -1,22 +0,0 @@
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
-
-namespace Casino
-{
-    internal class Decks
-    {
-        int Deckid {  get; set; }
-        int  Kartenid {  get; set; }
-        string name { get; set; }
-        
-        public Decks(int d, int k, string n) 
-        {
-            Deckid = d;
-            Kartenid = k;
-            name = n;
-        }
-    }
-}
diff --git a/Casino/EditUserView.xaml b/Casino/EditUserView.xaml
index 2af82bc..fe8968e 100644
--- a/Casino/EditUserView.xaml
+++ b/Casino/EditUserView.xaml
@@ -5,6 +5,7 @@
         Height="550"
         Width="500"
         WindowStartupLocation="CenterScreen">
+        <!-- Lenard Gerdes -->
 
     <Grid Margin="25">
 
diff --git a/Casino/Login.xaml b/Casino/Login.xaml
index 138c2f2..1e27371 100644
--- a/Casino/Login.xaml
+++ b/Casino/Login.xaml
@@ -12,7 +12,8 @@
         Background="Transparent"
         AllowsTransparency="True"
         MouseDown="Window_MouseDown">
-    
+        <!-- Lenard Gerdes -->
+
     <Border CornerRadius="20"
             Background="#590D00"
             BorderBrush="Gold"
diff --git a/Casino/Login.xaml.cs b/Casino/Login.xaml.cs
index 1866eb0..0a1bd79 100644
--- a/Casino/Login.xaml.cs
+++ b/Casino/Login.xaml.cs
@@ -26,6 +26,7 @@ namespace Casino
     /// </summary>
     public partial class Login : Window
     {
+        //Alles von Lenard Gerdes
         Database db = new Database();
         ObservableCollection<User> users = new ObservableCollection<User>();
         
diff --git a/Casino/MainWindow.xaml b/Casino/MainWindow.xaml
index c1444c1..e556077 100644
--- a/Casino/MainWindow.xaml
+++ b/Casino/MainWindow.xaml
@@ -8,8 +8,8 @@
         Title="MainWindow" Height="450" Width="800"
         WindowStartupLocation="CenterScreen"
         >
-    
-    
+        <!-- Lenard Gerdes -->
+
     <Border 
         
          Background="#590D00"
diff --git a/Casino/MainWindow.xaml.cs b/Casino/MainWindow.xaml.cs
index ce0a642..49a548d 100644
--- a/Casino/MainWindow.xaml.cs
+++ b/Casino/MainWindow.xaml.cs
@@ -17,6 +17,7 @@ namespace Casino
     /// </summary>
     public partial class MainWindow : Window
     {
+        // Alles von Lenard Gerdes
         public static int currentUser;
         ObservableCollection<User> users = new ObservableCollection<User>();
         Database db = new Database();
@@ -27,6 +28,7 @@ namespace Casino
             setup();
 
         }
+        
         private void Slots_Click(object sender, RoutedEventArgs e)
         {
             
diff --git a/Casino/Slots.xaml b/Casino/Slots.xaml
index 0dd8206..d24f869 100644
--- a/Casino/Slots.xaml
+++ b/Casino/Slots.xaml
@@ -9,12 +9,13 @@
         WindowState="Maximized"
         WindowStyle="None"
         Background="Transparent">
+        <!-- Lenard Gerdes -->
 
     <Border 
     
-     Background="#590D00"
-     BorderBrush="Gold"
-     BorderThickness="5">
+        Background="#590D00"
+        BorderBrush="Gold"
+        BorderThickness="5">
 
         <Grid>
             <Grid.ColumnDefinitions>
diff --git a/Casino/Slots.xaml.cs b/Casino/Slots.xaml.cs
index 97f6d5b..4ac97e6 100644
--- a/Casino/Slots.xaml.cs
+++ b/Casino/Slots.xaml.cs
@@ -22,7 +22,7 @@ namespace Casino
     /// </summary>
     public partial class Slots : Window
     {
-
+        // Lenard Gerdes
         private List<Image> _bilder;
         private Random _random = new Random();
         Database db = new Database();
@@ -46,7 +46,7 @@ namespace Casino
 
         private int highestWin = 5;
 
-
+        // Lenard Gerdes
         public Slots()
         {
             InitializeComponent();
@@ -90,6 +90,7 @@ namespace Casino
             }
             return image;
         }
+        // Lenard Gerdes
         private async Task Spin()
         {
             for (int i = 0; i < 15; i++)
@@ -120,20 +121,14 @@ namespace Casino
                         currentSlot[0, j] = randomBild;
                         LoadCard(_bilder[j], randomBild);
                     }
-
-                    
-
-
                 }
                 await Task.Delay(150);
-
             }
         }
 
+        // Lenard Gerdes
         private async void Spin(object sender, RoutedEventArgs e)
         {
-           
-
                 int einsatz = Convert.ToInt32(einsatzFeld.Text);
                 users[MainWindow.currentUser].Geld -= einsatz;
                 Konto.Text = users[MainWindow.currentUser].Geld.ToString();
@@ -141,20 +136,10 @@ namespace Casino
                 users[MainWindow.currentUser].Geld += CheckWin(currentSlot, einsatz);
                 Konto.Text = users[MainWindow.currentUser].Geld.ToString();
                 db.UpdateGeld(
-                    users[MainWindow.currentUser].ID, 
+                    users[MainWindow.currentUser].ID,
                     users[MainWindow.currentUser].Geld);
-            
-           /* catch (NullReferenceException)
-            {
-                MessageBox.Show(
-                    "Bitte ein Betrag eingeben",
-                    "Fehlermeldung 101",
-                    MessageBoxButton.OK,
-                    MessageBoxImage.Information);
-            }*/
-
         }
-
+        // Lenard Gerdes
         private void Hauptmenue(object sender, RoutedEventArgs e)
         {
             music.Stop();
@@ -162,7 +147,7 @@ namespace Casino
         }
 
 
-
+        // Lenard Gerdes
         public decimal CheckWin(int[,] board, decimal einsatz)
         {
             decimal multiplikator = 0m;
@@ -267,7 +252,7 @@ namespace Casino
             return einsatz * multiplikator;
         }
 
-
+        // Lenard Gerdes
         private decimal CheckLine(params int[] werte)
         {
             decimal gewinn = 0;
@@ -315,16 +300,16 @@ namespace Casino
 
 
 
-        //Numberfield
+        //Numberfield Colin Langer
         private static readonly Regex _regex = new Regex("^[0-9]"); // Regex to match non-numeric input
 
-        //nur nummern
+        //nur nummern Colin Langer
         private void TextBox_PreviewTextInput(object sender, TextCompositionEventArgs e)
         {
             e.Handled = !_regex.IsMatch(e.Text);
         }
 
-        // Keine Spaces
+        // Keine Spaces Colin Langer
         private void TextBox_PreviewKeyDown(object sender, KeyEventArgs e)
         {
             if (e.Key == Key.Space)
@@ -333,7 +318,7 @@ namespace Casino
             }
         }
 
-        //das man nichts reinkopieren kann außer Zahlen
+        //das man nichts reinkopieren kann außer Zahlen Colin Langer
         private void TextBox_Pasting(object sender, DataObjectPastingEventArgs e)
         {
             if (e.DataObject.GetDataPresent(typeof(String)))
@@ -346,6 +331,7 @@ namespace Casino
             }
         }
 
+        // Lenard Gerdes
         void PlayWinSound()
         {
             audio.PlaySound(db.GetSound(highestWin));
diff --git a/Casino/Spiele.cs b/Casino/Spiele.cs
deleted file mode 100644
index bdc8899..0000000
--- a/Casino/Spiele.cs
+++ /dev/null
@@ -1,20 +0,0 @@
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
-
-namespace Casino
-{
-    public class Spiele
-    {
-        public string Name { get; set; }
-        public int MinBetrag { get; set; }
-
-        public Spiele(string n, int m)
-        {
-            Name = n;
-            MinBetrag = m;
-        }
-    }
-}
diff --git a/Casino/User.cs b/Casino/User.cs
index 31b5140..8bdea2f 100644
--- a/Casino/User.cs
+++ b/Casino/User.cs
@@ -7,7 +7,7 @@ using System.Threading.Tasks;
 
 namespace Casino
 {
-    public class User
+    public class User // Lenard Gerdes
     {
         public string ID { get; set; }
         public string Name { get; set; }