31 lives:
Submit the password IMMORTAL.

Invincibility:
Submit the password NEVERDIE.

Full health:
Submit the password HORMONES.

Level select:
Submit the password GETACCES or OCMCKKEJ.

Weapons:
Submit the password MAKMYDAY.

Rolling camera view:
Submit the password GONAHURL.

Speed mode:
Submit the password SKATBORD.

Mutant mode:
Submit the password GENETICS.

Psychedelic textures:
Submit the password ACIDDUDE.

Regenerating monsters:
Submit the password JUSTKIDN.