This is a spaceshooter game. You are able to buy different weapons to use against your opponents.
When you have killed an enemy check to see if it left some ammo for you.

arrowkeys - Move
Ctrl - Shoot

Cheats:

(Click C to activate)
copyme - Makes you another pilot to help you!
moneymustbefunny - Gives you credits
bossface - Sending you to the last mission dopefish - Changing the boss into the Dope Fish!
Works only in the last level.

No install needed