Successfully complete the game to unlock the following cheat options at the "Extras" menu: Duke 3D Freeze Ray, Grayscale Mode, Head Scale, Infinite Ammo, Instagib, Invincibility, Mirror Mode.
GOD - god mode
GHOST - noclip mode
FLY - fly mode (clipping)
WALK - walk mode (if ghosting or flying)
ALLAMMO - all weapons and items
PLAYERSONLY - freeze time or unfreeze it
SLOMO <0.1 - INF> - slow/fast motion time (1 = normal time)
BEHINDVIEW 1 - 3rd person view
BEHINDVIEW 0 - 1st person view
KILLALL <class> - destroys all these in a map (like "killall pigcop_grunt" makes all pigcop_grunt vanish)
KILLPAWNS - destroys all pawns (monsters, babes...)
OPEN <map name> - opens a map
SUMMON <class> - spawns something front of you
INVISIBLE - makes you invisible (NOT tested!)
AMPHIBIOUS - you cannot drown (NOT tested!)
SUICIDE - suicide yourself
FEIGNDEATH - fake death (NOT tested!)
PAUSE - pauses the game
PREFERENCES - opens up advanced options (NOT tested!)
SET <class> <property> <number/text/we> - changes settings of a class.
Property can be e.g. "health". Example "set pigcop_grunt health 1" makes all pigcop_grunt in current map health 1. There are ALOT propertys in classes
SET engine.playerpawn binfiniteammo true - infinite ammo to all weapons
SET engine.playerpawn binstagib true - makes all weapons so powerful that they kill with one shot (NOT tested!)
SET INPUT <keyb letter> <command> - set some key of your keyb to do something, example: set input b summon pigcop_grunt
QUIT - shut downs the game immately
TOGGLEFULLSCREEN - toggle fullscreen/window
FOV <number> - change field of view (NOT tested!)
STAT <none/net/game/fps/audio/all> - shows statistics of those (NOT tested!)
SETNAME <name> - changes your name
TELEPORT - teleports you to point where your crosshair is (NOT tested!)
SETJUMPZ <number> - changes your jump height (NOT tested!)
SETSPEED <number> - changes your walking speed (NOT tested!)
SETGRAVITY <number> - changes gravity (negative makes everything go up) (NOT tested!)
CHANGESIZE <number> - changes your size (NOT tested!)
octabrain (NOT tested!)
Accomplish the indicated achievement to get the corresponding number of Gamerscore points:
Extermination (25 points): Kill 50 aliens.
Annihilation (40 points): Kill 100 aliens.
Nuclear Devastation (50 points): Kill 250 aliens.
Hippy-Stomper (20 points): Foot stomp 12 aliens.
Judge, Jury, Executioner (20 points): Execute 20 aliens.
Trapper (20 points): Kill 10 aliens with Trip Mines.
Freeze Well! (20 points): Kill 15 frozen aliens.
Road Rage (20 points): Kill 15 aliens with the monster truck.
Fork the Pork (10 points): Kill 6 aliens with the forklift.
Dead Useful (15 points): Kill 10 aliens with environmental explosives.
Downtown Barrel Beatdown (15 points): Kill 10 aliens with tossed objects.
Duke Angry, Duke Smash! (20 points): Kill 15 aliens with melee attacks while on steroids.
Noms (10 points): Eat 10 pieces of food during the SP campaign.
On the Noggin (25 points): Kill 30 aliens with headshots.
Natural Disaster 3x (10 points): Kill 3 aliens at once.
FBT (10 points): Get knocked down 10 times.
Turd Burglar (10 points): Find and steal a piece of poo.
I Need a Towel (10 points): Get hit by 10 Pregnator bombs.
Baron von Nukem (20 points): Shoot down 20 alien fighters.
I Need a Date (5 points): Look at every page of a calendar in SP.
Sticky Bomb Like You! (10 points): Put a Trip Mine on a live alien.
Big Guns, Big Ships (10 points): Blow up 5 enemy gunships or dropships.
Air-Duke (30 points): Win air hockey with a score of 7-0 in the strip club.
Balls of Steel (25 points): Earn a 1,000,000 pinball score in SP.
Flagon of Chuckles (5 points): Drink a beer in SP.
Juiced (5 points): Take steroids in SP.
He's Got a Hologram! (5 points): Use a Holoduke in SP.
Drawrings (10 points): Doodle something on the whiteboard in SP.
Substance Abuser (10 points): Drink beer while on steroids or vice versa in SP.
I Am All That Is Man (40 points): Discover all Ego cap awards.
Gunslinger (50 points): Carry the gold pistol through the whole SP campaign.
Piece of Cake (20 points): Complete the SP campaign on Easy Difficulty.
Let's Rock (30 points): Complete the SP campaign on Normal Difficulty.
Come Get Some (40 points): Complete the SP campaign on Hard Difficulty.
Damn, I'm Good (50 points): Complete the SP campaign on Insane Difficulty.
Special Thanks (5 points): Watch the credits all the way through.
Bucket Head (30 points): Find all 3 helmets in the SP campaign.
Call Waiting (25 points): Listen to all phone messages.
Party Animal (10 points): Drink all of the beers in the strip club.
Pescaphobe (10 points): Kill all the catfish in the underwater level.
Sunday, Black Sunday (5 points): Shoot down the blimp above the stadium.
Nobody Likes a Whiner (5 points): Knock out the talent at the talk show.
Lots of Whacking (25 points): Win a game of Alien Abortion in the strip club.
Companion Barrel (10 points): Unlock the secret closet at the end of the Forkstop.
One-Eyed Freak (10 points): Defeat the Cycloid.
Pit Champion (25 points): Defeat the Battlelord in Las Vegas.
Not Bad for a Human (40 points): Defeat the Alien Queen.
A Good Dam Fight (25 points): Defeat the Battlelord on the Hoover Dam.
Octacide (25 points): Defeat the Octaking.
Beating the One-Eyed Worm (35 points): Defeat the Energy Leech.