In the cheat menu in the options menu you might type in

 PRAYTOME   - God Mode
 AMATINEE   - View any movie
 MISSIONS   - Play any level
 SHIELDME   - Invincible
 NDMRBLTS   - Infinite ammo
 SHOESIZE   - Big boots
 EATGRENZ   - Big hands
 VERYHIIQ   - Big heads
 AMBULNCE   - Fill healthbar
 SHOOTMOR   - Fill ammo
 WAAAAAAH   - Toggle Topsy Turvy mode (flip screen)
 DAJIGSUP   - List All Cheats