You control a the character at the bottom of the screen which cannot move past approximately one-fifth of the playing area. Use the mouse to move and Spacebar to fire. In the beginning of the game, the centipede start at the top right of the playing area and moves back and forth. When the centipede enters the player zone, the character is in danger of being destroyed. Destroy the centipede and other creatures (fleas, spiders, scorpions, mushrooms) to score points. Bonus life every 12,000 points.