Codes
On the title screen enter the following
CodeEffectDown Down A Z Z Left AAction Nukem ModeALRLEFTBDOWNUPEnforcerEnforcer Captain amp Battle EnforcerRIGHTBLEFTLAZEvil DukeCusterRipperamp XTerminatorDown Up L Z TopC RightC LeftC and ZFirst Person ViewUPDOWNBAALEFTMarine amp Sergeant BBBRLEFTAMarshallSheriffSquawSurvivoramp Kimberly Strokes ddown dup A L R and ZOdd Gun with Unlimited AmmoBAARLPig CopRiot PigRoad HogWar PigCowboy GruntSavage GruntSoldier gruntamp Capitalist PigLLUPDOWNRBAPosh DukeBattle Dress Dukeamp Dogtag Duketop C bottom C left C right C L and RRifle with Unlimited Ammodup ddown dleft drightL and RShotgun With Unlimited AmmoGet all of the following to unlock weapons other interesting features ampamp a secret level
Get maximum amount of the following to unlock the cheats that are descreibed in the following
UnlockableHow to unlockBig Gun ModeKill every enemy on the Nuclear Winter levelBig Head ModeNab all babes on the Liberty or Death LevelFast ZombiesKill everybody on the Dry Town levelFirstPerson amp Action Nukem ModeComplete the Zero Hour levelFlat ShadingGet all Secrets on the Wetworld levelIce skins enemies Duke amp breakable objectsGet all of the babes in the Fallout levelSelect SkinGet 100 overall rating on every levelUnlimited Claw12 ShotgunGet all of the babes on the Up Ship Creek levelUnlimited FreezethrowerKill every enemy on The Brothers Nukem levelUnlimited Gamma CannonSave all the babes on the Ailen Mother levelUnlimited Gattling GunGet all kills on Hydrogen Bomb level in order to use you have to start a new gameUnlimited Lever Action 3030 RifleGet all of the babes in the Fort RoswellUnlimited M80 BlasterGet all kills on the Jail Break LevelUnlimited MP10 SMGGet all secrets on Dawn of the DukeUnlimited SawedOff ShotgunKill everything on the Whitechapel Killings levelUnlimited Sniper RifleGet all of the babes on Going DownUnlimited Volt CannonGet all of the secrets in The Rack levelUnlock Going Down Secret LevelGet all of the Time Machine Parts in the levels except boss levels amp from The Rack level to the last boss levelWeatherGet all kills on Under SeigeVarious Cheats and Hints
Debug mode
Press CUp Up CLeft Right CDown Down CRight R A B when quotPress Startquot appears at the opening screen A sound will confirm correct code entry Use controller two to select the debug options Press Start to cycle through the options such as quotCheatsquot quotLevel Selectquot and more
When you enter the code on the title screen and hear the horse the Cheats Menu will be available but will have no cheats active unless you they were previously activated or earned Once you start or load a gamelevel text will appear in the upperleft hand corner of the screen Use controller two to control the debug options Pressing Start cycles through the various lists of options Use the buttons noted below to change certain values Note Debug mode does not save on the memory pak like the other cheats
SFX
L or R FX downup
Left or Right FX downup by 10
B First person view
A Third person view
Z Play SFX
Level Warp
L or R Level downup
B Skip level
Z Advance to selected level
Midi
L or R Song downup
A Play song
B Stop song
Global Palette
B or A Red downup
CLeft or CDown Green downup
CUp or CRight Blue downup
Cheat
Z All weapons
L All items
R All keys
A Invincibility
AI Debug Values
B or A GVAR 1 downup
CLeft or CDown GVAR 2 downup
CUp or CRight GVAR 3 downup
Fog
B or A Red downup
CLeft or CDown Green downup
CUp or CRight Blue downup
Left or Right NR downup
L or R FR downup
Sky Top
B or A Red downup
CLeft or CDown Green downup
CUp or CRight Blue downup
Sky Bottom
B or A Red downup
CLeft or CDown Green downup
CUp or CRight Blue downup
Clouds 1
B or A Red downup
CLeft or CDown Green downup
CUp or CRight Blue downup
L or R HT downup
Down or Up AN downup
Left or Right SP downup
Clouds 2
B or A Red downup
CLeft or CDown Green downup
CUp or CRight Blue downup
L or R HT downup
Down or Up AN downup
Left or Right SP downup
Player
L or R DN DownUp changes players character
GFX
Values cannot be changed
AI
A AI 01 set to 1 to stop enemies
L Difficulty 012
R Auto aim 01
Alpha Palette
B or A R0 downup
CLeft or CDown G0 downup
CUp or CRight B0 downup
L or R R1 downup
Left or Right G1 downup
Down or Up B1 downup
Weather Cheat works the same way but only has the options noted with an
Multiplayer debug mode
Enable the quotDebug modequot code as usual then start a two or three player multiplayer match You can use the unused controller to control the debug menu The best use for this is to use the warp to play the regular game with multiple players You can complete the game as normal or fight each other When you die you will just reappear because you are in a Dukematch
First person view
Press Down Up L B Z Left CUp CRight CLeft Z when quotPress Startquot appears at the opening screen A sound will confirm correct code entry
All weapons
Press Down A Up L Z R CUp CDown B CLeft
Freeze Thrower and unlimited ammunition
Press Down Up A L R Z when quotPress Startquot appears at the opening screen A sound will confirm correct code entry
Rifle and unlimited ammunition
Press CUp CDown CLeft CRight L R when quotPress Startquot appears at the opening screen A sound will confirm correct code entry
Multiplayer character set 1
Press A L R Left B Down Up when quotPress Startquot appears at the opening screen A sound will confirm correct code entry
Multiplayer character set 2
Press B A2 R L when quotPress Startquot appears at the opening screen A sound will confirm correct code entry
Multiplayer character set 3
Press L2 Up Down R B A when quotPress Startquot appears at the opening screen A sound will confirm correct code entry
Multiplayer character set 4
Press B3 R Left A when quotPress Startquot appears at the opening screen A sound will confirm correct code entry
Multiplayer character set 5
Press Right B Left L A Z when quotPress Startquot appears at the opening screen A sound will confirm correct code entry
Multiplayer characters set 6
Press Up Down B A2 Left when quotPress Startquot appears at the opening screen A sound will confirm correct code entry
High speed zombies
Press A2 Z A R CDown B when quotPress Startquot appears at the opening screen A sound will confirm correct code entry Alternately rescue all babes in level 8 quotDry Townquot to unlock the cheat option for high speed zombies
Skin select
Press CLeft R Left Up Down B A Z when quotPress Startquot appears at the opening screen A sound will confirm correct code entry Go to multiplayer mode and select a character Press Start select quotQuit Gamequot then choose quotYesquot Start a one player game to play as the person that was previously selected
Action Nukem mode
Press Down2 A Z2 Left A when quotPress Startquot appears at the opening screen A sound will confirm correct code entry Alternately successfully complete the game This mode allows Duke to kill opponents with one shot
Big head mode
Press B Up Down2 A Z A Right when quotPress Startquot appears at the opening screen A sound will confirm correct code entry Alternately rescue all babes in level 2 quotLiberty Or Deathquot to unlock the cheat option for big head mode
Big gun mode
Press CUp CLeft Z B L Z A when quotPress Startquot appears at the opening screen A sound will confirm correct code entry Alternately kill all opponents in level 3 quotNuclear Winterquot to unlock the cheat option for big gun mode