This page contains Cheats for Duke Nukem Forever organized by sections for PC - Windows. Duke Nukem Forever is a Action Shooter First-Person game, made by 3D Realms, released on Jun 14, 2011 and published by 2K Games. If you can't find a hint or secret in our list, then please check this page periodically for the latest updates.
Duke Nukem Forever PC - Windows Cheats
Once you load up the Chapter called "Duke Nukem's Titty City" go behind the Bar on that level, there you will find a closed Door that requires a code to be opened. The Code is: 4768. Inside is a beer which is part of the Party Animal Achievement / Trophy and a porn film starring the Dukester himself....From: HopeIX
To unlock the following, you have to play the game and collect/Earn achievements. You can find those earned achievements in your Game-Mainmenu or you can view them if you signup at one of the Steam communities....From: zombie
Beat the game under the indicated difficulty setting to unlock the following options at the "Extras" menu, usable in single player mode. (Enabling the "cheat" will lock achievements and Ego points.)...From: choukaatueur
Beat the game once and you will unlock secret cheats at the Extras Menu Instagib Invincibility Mirror Mode Duke 3D Freeze Ray Grayscale Mode Head Scale Infinite Ammo...From: hamzaali98
Finish one of the following multi-player weapon challenge to unlock accessory in the changing room....From: luisandnas
There is a room with a microwave. Directly under the microwave is a cupboard which can be opened to find a rat. You can pick up the rat and put it in the microwave. Note: This room is also shared with the Duke Nukem Fanboy....From: raymohn
Poop can be found in toilets. There is some poop in the toilets in the room where the game begins, in the "Duke Lives" chapter. Grab poop from a toilet and throw it to earn the "Turd Burglar" achievement...From: zhackool01
In the beginning of Vegas in Ruins, the 'power armor' in the armor crate at the start of the level is none other than that of a Spartan -- and Master Chief's classic green and orange color scheme, no less....From: Andrew DL
In "The Hive," after opening a few alien doors, you will encounter a room with lots of spore looking things near the doorway. Take a left, then turn on your Duke Vision and crouch, under the branch like things. Then, at the end of the cave you ducked through, there is a dead EDF marine. Walking near him makes Duke say "Thats one dead...From: homeworld12345
In the level "Duke Nukem's Titty Club," go through the Restrooms halfway and on the left side take a door with an "EXIT" sign over it and go upstairs you will stumble upon a small room and at the end of it a desk with a survaillance monitor on it, next to it's the "Totem" from the movie "Inception" spinning w...From: game freak
The code Duke types into the big gun to be used on the mothership mission at the end of the Duke Cave mission is 1138....From: Seniorita
In the Duke Nukem soundboard, there is an entry called "Fatality". when you select it, Duke says "Duke wins, Fatality."...From: anellitry
After killing some enemies, you will hear Duke say "I'm from Las Vegas, and I say kill 'em all!". This is a reference to Starship Troopers when Johnny Rico says "I'm from Buenos Aires, and I say kill 'em all!"....From: Chelsey
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