Arrow keys or WASD to move. Dodge the incoming black blocks. The blocks will first come from the right, then the top, then the left, last, the bottom. Space key to control how the sprite you're controlling looks. There is a powerup which is a green rectangle with a green +10 in it. It changes your score by 10. This is really hard if you try to beat the high score, so don't punch your electronic you're using!