Duke Nukem 3D Cheats

Achievements
Complete each achievement to get the allotted gamerscore:

Alien Maggots are Gonna Pay (10): Finish the "Hollywood Holocaust" level in under 3 minutes.
Come Get Some (25): Complete "Shrapnel City" on any difficulty or in co-op.
Duke's Mighty Foot (10): Step on 40 enemies after using the Shrinker on them.
Game Over (25): Complete "The Birth" on any difficulty or in co-op.
Gonna Rip Em' a New One (10): Get 100 total kills in ranked Dukematch games (Online).
Hail to the King, Baby (25): Earn respect and get 500 total kills in ranked Dukematch games (Online).
Let's Rock (25): Complete "Lunar Apocalypse" on any difficulty or in co-op.
Looks Like Cleanup on Aisle 4 (10): Step in a pile of excrement.
Oomph, Uugh, Where is it? (10): Find 70 secret areas.
Piece of Cake (25): Complete "L.A. Meltdown" on any difficulty or in co-op.
See You in Hell (15): Get 250 total kills in ranked Dukematch games (Online).
Shake It Baby (10): Tip an exotic dancer.

Unlockable Gallery Art
Unlock new pieces of concept art in the Gallery by getting the following gamerpoints.

"Bad Cop" concept art: Unlock (0) Gamerpoints.
"Duke's Vehicle" concept art: Unlock (90) Gamerpoints.
"Sonic Resonator" concept art: Unlock (50) Gamerpoints.
"Trooper Recon Car" concept art: Unlock (90) Gamerpoints.
Alternative Pig Cop concept art (1 of 2): Unlock (70) Gamerpoints.
Alternative Pig Cop concept art (2 of 2): Unlock (70) Gamerpoints.
Jetpack concept art: Unlock (50) Gamerpoints.
Octabrain concept art (2 of 2): Unlock (30) Gamerpoints.
Octabran concept art (1 of 2): Unlock (30) Gamerpoints.
Pig Cop concept art: Unlock (10) Gamerpoints.