Try to survive as long as you can while battling the floating black monsters! Use your A and S keys to jump and attack. You could also press the up arrow along with the S key to shoot at the monsters that are hovering above you. The object of the game is to survive as long as you can and get a higher score. The longer you play, the more monsters show up, the faster they move and the harder the game gets. This is a one player game that continually advances in difficulty.