First choose the difficulty of the Robot. Player 1 - WS or mouse to move up and down. Player 2 - Arrow keys or mouse to move up and down. First to ten points wins. Your direction changes the direction of the ball. If you are travelling up, the ball goes up. If you are travelling down, the ball goes down. If you are not moving, the ball goes roughly straight.
Third year computing science task 2 - pong arcade game.