When the game is ready, "Game Over - 'S' to Start" will be on the screen. If pressing the 'S' key doesn't work, click in the game area.
Use the keyboard controls described below to maneuver your ship, destroying as many asteroids as you can while avoiding collision with them. Also watch for the flying saucers armed with guided missiles.

If you warp into hyperspace, your ship will momentarily disappear then reappear on another part of the screen, gradually fading in. During this time the ship is invulnerable. Likewise, when your ship is destroyed, a new one will appear in the center of the screen. You can still maneuver and fire during this time so if you are in imminent danger, you have a couple of seconds to get out of it.

Start Game Pause Game
Rotate Left Reverse Thrust
Rotate Right Forward Thrust
Fire Cannon Hyperspace
Toggle Sound * Toggle Graphics Detail *
* Note: If the game appears to run slowly on your machine, try turning sound and/or graphics detail off. This will not affect game play.
A new ship is awarded for every 5000 points scored.