Use the arrows keys to move your ship, and [SPACEBAR] to fire the main weapon.
hold [N] or [M] to charge the plasma gun, release the key to fire.
Press [R] to change the screen resolution. If the game is running slowly the resolution
should decrease automatically, if it doesn't or you want extra speed just press [R].
The plasma gun can shoot through walls! Use it to get those annoying gun turrets.
Look for safe routes through the level, sometimes going an initially difficult way will be easier overall.
Some sections of level are easiest if you sit at the front of the screen, others are easier at the back.
Copyright 1999 - Andrew Gower