Fly your ship through the asteroid belt as far as you can.

Defend Earth from waves of asteroids with weapons platforms and automated laser turrets and a hand full of weaponry.

Work your way through some of the roughest asteroid fields around. Don't let the asteroids push your ship off the screen! See if you can defeat all 10 levels and unlock expert mode!

Tired of being hunted by Man an asteroid decided to fight back and try to destroy the ships. Unfortunately, Man did not like an asteroid standing up for itself. If one asteroid was bad then the trillions of others were just as guilty. They must all be destroyed. You are a peaceful asteroid....

The asteroids have decided to mount a counter-offensive agaist humanity. Destroy 7 bosses and kill Earth's outer colonies in this installment.