diff --git a/src/main/c/Pong/game.c b/src/main/c/Pong/game.c
index 4030b11..90f45f3 100644
--- a/src/main/c/Pong/game.c
+++ b/src/main/c/Pong/game.c
@@ -107,12 +107,22 @@ int main(){
         ball.x += ball.speedX;
         ball.y += ball.speedY;
 
+        //Kollision Ball (mit Schlägern und Wänden)
+        if (ball.y <= 0 || ball.y >= HEIGHT - 1){
+            ball.speedY = -ball.speedY;
+        }
+        if (ball.x == 1 && (ball.y >= paddle2PositionY && ball.y < paddle2PositionY + PADDLE_LENGTH)){
+            ball.speedX = -ball.speedX;
+        }
+        if (ball.x == WIDTH - 1 && (ball.y >= paddle1PositionY && ball.y < paddle1PositionY + PADDLE_LENGTH)){
+            ball.speedX = -ball.speedX;
+        }
+
         draw Field(paddle1PositionY, paddle2PositionY);
 
         usleep(100000); //Verlangsamen Schleife/Spiel
     }
-    }
-    
+
     return 0;
 }