Use the keyboard controls described
below to manoeuvre your ship and zap as many asteroids as you can - and watch for the flying saucers armed with
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 centre of the screen. You can still manoeuvre and
fire during this time so if you are in imminent danger, you have a couple
of seconds to get out of it.