We have 2 cheats and tips on GameBoy. If you have any cheats or tips for Asteriods please send them in here. You can also ask your question on our Asteriods Questions & Answers page.
Unlock Cheat Menu:
Enter 'CHEATONX' without the quotes as a password then during the game press the 'Select' Button to display it. Up/Down = Level Select. Left/Right = Zone Select. A toggles Invincibility.
Play Original '70s version of the Game:
QRTREATR
Unlock Excalibur Ship:
PROJECTX
Unlock Zone 2:
SPACEVAC
Unlock Zone 3:
STARSBRN
Unlock Zone 4:
WORMSIGN
Unlock Zone 5:
INCOMING
SPACEVAC - Zone 2
STARBRN - Zone 3
WORMSIGN - Zone 4
INCOMING - Zone 5
PROJECTX - Unlock Excalibur Ship