Click Green Flag to begin. As you move your mouse left or right, the green paddle will move. Game is over when the yellow ball hits the red border at the bottom of the backdrop.
Green and Red borders were made with the rectangle drawing tool and are part of the backdrop. Yellow ball and green paddle are sprites in the library. This is a very basic Pong game. Adding a score feature, as well as different levels involving paddle and ball size, and ball speed, will make the game more complex.