Unlockables

  • Unlock extra options for next playthrough

    By completing the game on any difficulty, you will get to unlock extra options for your next playthough! (The options labeled "CHEAT" will lock achievements and Ego points.)

    UnlockableHow to Unlock
    Duke 3D Freeze RayFreeze ray will fire bouncing ice projectiles (SP only).
    Game SpeedAdjust game speed (SP only).
    Grayscale ModeDraw the game in grayscale (SP only).
    Head ScaleAdjust head size of enemies and NPCs (SP only).
    Infinite AmmoNever run out of ammo (SP only). CHEAT.
    InstagibEnemies die in 1 shot and always gib (SP only). CHEAT.
    InvincibilityTake no damage from bullets or explosions (SP only). CHEAT.
    Mirror ModeDraw the game mirrored horizontally (SP only).

    Contributed By: Hellsing4682.

  • Weapon clothing unlocks

    These are clothing items unlocked through multi-player weapon-specific challenges to use in the changing room to customize your Duke for MP.

    UnlockableHow to Unlock
    Backwards Baseball CapGet 250 kills with the Shotgun (Burger Face III)
    Baseball CapGet 75 kills with pipe bombs (Splatter king III)
    Brain SuckerGet 250 kills with the Enforcer (Laser Seeking Missiles III)
    Canadian Flag LogoGet 75 kills with the Garter Pistol (Tiny But Deadly III)
    Cheese HatGet 250 kills with the Ripper (Swiss Cheese III)
    Detonator LogoGet 250 kills with the Rocket Launcher (Boom Goes the Weasel III)
    Hoplite HelmetGet 75 melee kills (Punchy McPuncher III)
    I Shot Stupid LogoGet 250 kills with the Railgun (Right In the Eye III)
    Jester HatGet 75 kills with trip mines (Watch your step III)
    Military HatGet 250 kills with the Pistol (Size Doesn't Matter III)
    Retro Duke LogoGet 250 kills with the Devestator (Meat Grinder III)
    Ski GogglesExecute a frozen player 75 times (Ice to See You III)
    Tie-Dye ShirtGet 250 kills with the AT laser (Medium Rare III)
    Uncle Sam HatStomp on 75 enemies (Pee Wee Vermin III)
    Wolf LogoGet 75 kills with Steroids (Roid Rage III)
    WTF LogoGet 75 kills with exploding barrels (Smile You Son of a Bitch III)

    Contributed By: Extro_Sturt.

Achievements

  • Steam Achievements

    AchievementDescription
    A Good Dam FightDefeat the Battlelord on the Hoover Dam
    Air-DukeWin air hockey with a score of 7-0 in the strip club
    AnnihilationKill 100 aliens
    Balls of SteelEarn a 1,000,000 pinball score in SP
    Baron von NukemShoot down 20 alien fighters
    Beating the One-Eyed WormDefeat the Energy Leech
    Big Guns, Big ShipsBlow up 5 enemy gunships or dropships
    Bucket HeadFind all 3 helmets in the SP campaign
    Call WaitingListen to all phone messages
    Come Get SomeComplete the SP campaign on Hard Difficulty
    Companion BarrelUnlock the secret closet at the end of the Forkstop
    Damn, I'm GoodComplete the SP campaign on Insane Difficulty
    Dead UsefulKill 10 aliens with environmental explosives
    DrawringsDoodle something on the whiteboard in SP
    Duke Angry, Duke Smash!Kill 15 aliens with melee attacks while on steroids
    ExterminationKill 50 aliens
    Flagon of ChucklesDrink a beer in SP
    Fork the PorkKill 6 aliens with the forklift
    Freeze Well!Kill 15 frozen aliens
    Full Body TourettesGet knocked down 10 times
    GunslingerCarry the gold pistol through the whole SP campaign
    He's Got a Hologram!Use a Holoduke in SP
    Hippy-StomperFoot stomp 12 aliens
    I Am All That Is ManDiscover all ego cap rewards
    I Need a DateLook at every page of a calendar in SP
    I Need a TowelGet hit by 10 Pregnator bombs
    Judge, Jury, ExecutionerExecute 20 aliens
    JuicedTake steroids in SP
    Let's RockComplete the SP campaign on Normal Difficulty
    Lots of WhackingWin a game of Alien Abortion in the strip club
    Natural Disaster 3xKill 3 aliens at once
    Nobody Likes a WhinerKnock out the talent at the talk show
    NomsEat 10 pieces of food during the SP campaign
    Not Bad for a HumanDefeat the Alien Queen
    Nuclear DevastationKill 250 aliens
    OctacideDefeat the Octaking
    On the Noggin'Kill 30 aliens with headshots
    One-Eyed FreakDefeat the Cycloid
    Party AnimalDrink all of the beers in the strip club
    PescaphobeKill all of the catfish in the underwater level
    Piece of CakeComplete the SP campaign on Easy Difficulty
    Pit ChampionDefeat the Battlelord in Las Vegas
    Road RageKill 15 aliens with the monster truck
    Special ThanksWatch the credits all the way through
    Sticky Bomb Like You!Put a Trip Mine on a live alien
    Substance AbuserDrink beer while on steroids or vice-versa in SP
    Sunday, Black SundayShoot down the blimp above the stadium
    Tosser... in the Literal SenseKill 10 aliens with tossed objects
    TrapperKill 10 aliens with trip mines
    Turd BurglarFind and steal a piece of poo

    Contributed By: Guard Master.

Know Something We Don't?

You can submit new cheat codes for this game using our Cheat Submission Form.

Have We Been Fooled?

If you see a non-working or fake code in the list above, let us know by using our Problem Submission Form.