Gravityball is a cerebral game mixed with arcade action, in which you devise an "arena&quot\; which shoots the ball from the start tile to the finish tile in the most creative and entertaining way. Gravityball combines elements of the games "The Incredible Machine", "Marble Madness", "Marble Drop", and Pinball. You can build your machine from an assortment of parts including bumpers, troughs, blocks, gravity fields, worm-hole transporters, switches and more. Launch the ball into your machine and earn points as the ball interacts with your machine. It provides a score and some statistics for each arena you create. Cleverness and creativity are the keys to success.