Game Info Publisher GT Interactive Developer Monolith Genre Action Origin UNKNOWN

Effect                          Code
200% Armor                      GRISWOLD
200% Health                     SPORK
200% Health, on Fire            KRUEGER
200% Health, Diving Suit        COUSTEAU
100% Health                     CLARICE
All Items                       MONTANA or SATCHEL
All Keys                        KEYMASTER
All Weapons                     IDAHO
All Weapons, Infinite Ammo*     LARA CROFT or HONG KONG
Clipping (walk through walls)*  EVA GALLI
Display Frame Rate              RATE
Display Full Map                GOONIES
Intoxicated                     JOJO  
Invisibility                    ONERING
God Mode (Disable)              NO CAP IN MY ASS
God Mode (Immortal)             CAP IN MY ASS
God Mode (Mortal)               VOORHEES
Gun (Akimbo)                    BUNZ  
Higher Jumps                    FUNNYSHOES
Level Skip                      CALGON, LUIGI, or MARIO            
Level Skip, Disable Cheats      SPIELBERG
No Weapons, 1% Health, Drunk    FORK BROUSSARD
Suicide                         EDMARK or KEVORKIAN
Suicide by Fire                 MCGEE
Temporary Blindness             STERNO 

* Note: The game does not recognize these codes as being cheats.
submitted by Baridic Zarif, Carvac Hander, charles0 and DeathSkul

Cheat Codes - Shareware
(The commercial version and the shareware version share the same code set; however the following are unique to the shareware version.)

While playing a game, press “T” and enter a code to activate its corresponding cheat.

Effect                          Code
200% Armor                      FULL ARMOR
All Ammo                        AMMO
All Keys                        KEYS
Clipping (walk through walls)*  CLIP
Display Full Map                MAP
God Mode (Disable)              GOD
Guns 2-6, Full Ammo             GUNS
Suicide by Fire                 BURN

* Note: The game does not recognize these codes as being cheats.
submitted by DRMassey and wenteman

Music Video
There is a secret video from Type-O Negative! To see it, click on the “Typeonegative” file within the Music folder on the CD.

(Note: You must have a Windows Media Player compatible viewer.)
submitted by Chad Finch

Resurrection
Here's a code that'll save your anger for something else. When you die, DO NOT RESTART THE LEVEL, instead, press T for messages and type "SPORK" and you'll living and breathing again but be prepared to pull out a weapon because you holster it automaticly when you die.
submitted by Dominic