Use the arrow keys to move back and forth. Each time you enter a black zone on the sides you score a point and a dot appears on the screen. If these dots hit you you lose! Get your invincibility bar up to the top so that you can have a short time to 'eat' the dots and make it easier to continue.
Unlock characters of different sizes, faster speeds and longer invincibility times! How high can you get your highscore?