Activate the following cheats by entering the corresponding codes either during gameplay or after pressing ESC to pause the game. Note: Your rank will be marked as "Cheater" and you will not be able to post your scores online.

CHEAT FUNCTION - CHEAT CODE God mode - iwannabe
9 lives - endisnear
All weapons - armorychamber
All missiles - launchmenow
All power-ups - iamstronger
All helicopters1 - steelbirds
Level select1 - blindwarrior
Level skip - messwiththebest
End game - dieliketherest
View credits - givemecredit