Use WSAD to move your ship around the maze field.
W - move forward
S - brake
A - rotate left
D - rotate right
Use the " < ", " > ", and " ? " keys to fire your weapons.
< - primary guns
> - charge shot
? - anti-asteroid missile
Primary guns are upgraded by collecting the colored pellets dropped by enemies (asteroids do not leave power-ups).
Red - bullet caliber
Blue - fire rate
Green - spread shot
[Pay attention to the power-up meters on the HUD! If you wait too long, the meters will deplete and your weapons will go down a level! There are three levels for each power-up.]
The Charge Shot will automatically fill up in power. Once it gets past the red bar, it will begin flashing and is ready for use. Let it fill to full power to release it and it will bypass even the walls to devastate every enemy in its path!
The anti-asteroid missiles will take some time to reload, but when ready, the missile icon on the HUD will become fully visible.