Duke Nukem 3D Cheats
DNKROZ - Invulnerability and infinite Jetpack
DNCORNHOLIO - Same as DNKROZ
DNMONSTERS - Monsters disappear as soon as you see them
DNWEAPONS - Gives you all weapons and full ammo
DNSTUFF - Gives you all weapons, full ammo and full armor
DNSHOWMAP - Shows the entire map
DNVIEW - Puts you in view mode. Same as hitting the F7 key
DNHYPER - Puts you in Steroids mode. Lasts about 13 seconds
DNKEYS - Gives you all the Access Cards
DNSCOTTY#@@ - Warps you to episode #, level @@
DNSKILL# Changes to skill level #, but the level restarts for the changes to take effect
DNUNLOCK - Unlocks and opens any closed or locked doors, and closes and locks any open, unlocked doors
DNCLIP - No clipping (you can walk through walls)
DNITEMS - Gives you all inventory items and all access cards
DNCASHMAN - Makes money fly out everywhere when you hit the space bar
DNINVENTORY - Gives you all inventory items
DNCOORDS - Gives you your co-ordinates
DNRATE - Shows your screen's frame rate
DNDEBUG - Shows debugging information (numbers and code) in the top-left corner of the screen
DNBETA - Prints "Pirates suck!" on the screen
DNALLEN - Prints "Buy Major Stryker!" on the screen
DNTODD - Prints "Register Cosmo Today!" on the screen