Many of you have played all kinds of ball games: badminton, tennis, ping-pong. Here you have to remember the acquired skills, but with complication. The task is to have time to throw the ball from one wall to another the maximum number of times without colliding with obstacles. And there will be a lot of them on your way. And, if at first only objects flying from time to time will interfere with you, then later even a second of delay will cost you victory. Carefully calculate the moment of the throw and try to hold out as long as possible. Set a new personal record and improve your agility and speed!