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Duke Nukem 3D

Codes

Codes

Enter these codes during gameplay. These codes cannot be used when the game setting is on "Damn, I'm Good!".

EffectCode
dnitemsAdds all items, all keys, and max body armor
dninventoryAdds all items, max body armor
dnstuffAdds all items, weapons, keys, ammo, and gives max armor
dnkeysAdds all keys to inventory (Red, Yellow and Blue)
dnweaponsAdds all weapons and gives maximum ammo
dnhyperAdds Night Vision Goggles and Steroids to Inventory, uses Steroids
dnskillXChange to skilll level X (1-4), restarts level
dnviewChanges to 3rd-Person View
dncoordsDisplays current coordinates, viewing position, and other information
dndebugDisplays debug information (upper left corner)
dntoddShow "REGISTER COSMO" message
dnallenShows "BUY MAJOR STRYKER" message
dnbetaShows "PIRATES SUCK!" message
dncosmoShows "REGISTER COSMO" message (Version 1.3d and prior only)
dnshowmapShows entire map of level (press the map key)
dnrateshows the framerate
dncashmanThrow some money when the "open" key is pressed.
dnmonstersToggle monsters on / off
dnclipToggles clipping (walk through walls)
dncornholioToggles God Mode (Invincibility), Gives Jetpack (unlimited while cheat is on)
dnkrozToggles God Mode (Invincibility), Gives Jetpack (unlimited while cheat is on)
dnunlockTriggers all the doors, forcefields etc. in the level to be unlocked / locked (only works in the registered version)
dnscottyXYYWarp to Episode X (1-4) Level YY

Contributed By: sturmtiger and KeeperBvK.

Glitches

Double Mighty Foot

This is an extremely easy glitch to do, but only works in the original Duke Nukem 3D for DOS and variants.(Plutonium Pak, etc.) Simply select Weapon 1(Duke's Foot) then hold the Fire button. As you're doing this, hold down the Mighty Foot button as well. Duke is now kicking 1.5 times per kick! Not only that, but he's doing so using both his left and right feet at the same time. How gravity defying.

Contributed By: Joseph Collins.

God Mode in Damn, I'm Good

To use this, you must first active god mode in any difficulty level except Damn, I'm good. After that, wrap to a boss and kill it. Once you have done that, start a new game on Damn, I'm good and you'll be in god mode. This works until you go to a lower difficulty level and deactivate it or quit the game entirely.

Contributed By: Axel_Neco.