Get superbad with these passwords:
EVILDEAD = Enemies come back to life
TWISTEYE = Hold L1 and L2 and move DPAD left or right to rotate screen.
HARDBODY = Invincible
BODYSWAP = press triangle to swap characters
OTTOFIRE = unlimited weapon
VITAMINS = 31 lives
CORONARY = loads of extra hearts
BORNFREE = Go to any world
TOMMYBOY = Finish a level to get a free pinball game
CASHDASH = Bonus screen when finished level
Level Codes
1-ADEAMIIE 2-EPIJAKCA 3-FBIJAKCI 4-KOCCCIEE 5-NGIAIBJJ 6-NIIAJBCB 7-KGCACICI 8-AHICBAJE 9-AIICFAJG 10-AIICBAJI 11-FBIIAKCK 12-FDIIAKDC 13-FFIIAKDK 14-KACACIBA 15-ADMCFAID 16-EMIIEKBE 17-OEIBIBMJ 18-FAAIAKCE
Thanks to Revolution readers Mario Garcia, Manhattin, Richard and Kerrin Braithwaite!!