AstroRock 2000 v2.03 [cheats] 
Start game as usual. During gameplay enter the following cheats: 

TOOHOTFORME - Skip To Next Level 
ZED - Unlimited Shield 
OUTOFBUBBLEGUM - Gives Boomstick 
MOREBULLETS - Gives Fast Shooter 
KICKASS - Gives Boomstick + Fast Shooter Straight & Wide 
FPS - Toggle FPS display 
BEETLES - ? 

/Team PiZZA