You float in space and shoot the asteroids, but the more you shoot, the more asteroids you create. And be careful: you only have one ship for each 10,000 points scored.

Left arrow key – Turn left
Right arrow key – Turn right
Up arrow key – Thrust forward
Space bar – Fire missile

"P" key – Pause/unpause game
"Q" key – Quit game
"M" key – Mute/unmute sound
Shift key – Hyperspace