Duke Nukem 3D

Gallery art
Get the indicated number of Gamerscore points to unlock the corresponding art:
Pig Cop concept art: 10 points
Octabran concept art 1: 30 points
Octabrain concept art 2: 30 points
Sonic Resonator concept art: 50 points
Jetpack concept art: 50 points
Alternative Pig Cop concept art 1: 70 points
Alternative Pig Cop concept art 2: 70 points
Duke's Vehicle concept art: 90 points
Trooper Recon Car concept art: 90 points
Duke Nukem Forever screenshot 1: 200 points
Duke Nukem Forever screenshot 2: 200 points
Easier final Boss
If you have a jet pack, fly up and destroy the beer blimp. Guns and health will scatter on the ground, allowing the final Boss to be killed easier. Note: One of the best weapons to use against it is the Devastater.
Tier Drops level in Shrapnel City
There is a tenth level in Shrapnel City called Tier Drops. To get there, go to the movie level, and go to the stage with the NASA sign and the body parts with a telescope. Kill the alien with the chain gun, and press [Use] on the sign. A door should appear with the caution sign that ends the level. Note: Do not go to the stage with the ship or this will not work.
Secret level in Shrapnel City
Go to the Hotel Hell level, then go to the fountain by the pool. Step through the waterfall, then go behind a bush. You will see a radioactive waste sign like the ones that mark the end of a level, except it is gray. It will take you to the secret Freeway level.
Achievements
Accomplish the indicated achievement to get the corresponding number of Gamerscore points:
Piece of Cake (25 points): Complete "L.A. Meltdown" on any difficulty or in co-op.
Let's Rock (25 points): Complete "Lunar Apocalypse" on any difficulty or in co-op.
Come Get Some (25 points): Complete "Shrapnel City" on any difficulty or in co-op.
Game Over (25 points): Complete "The Birth" on any difficulty or in co-op.
Duke's Mighty Foot (10 points): Step on 40 enemies after using the Shrinker on them.
Looks Like Cleanup on Aisle 4 (10 points): Step in a pile of excrement.
Shake It Baby (10 points): Tip an exotic dancer.
Oomph, Uugh, Where is it? (10 points): Find 70 secret areas.
Alien Maggots are Gonna Pay (10 points): Finish the "Hollywood Holocaust" level in under 3 minutes.
Gonna Rip Em' a New One (10 points): Get 100 total kills in ranked Dukematch games (Online).
See You in Hell (15 points): Get 250 total kills in ranked Dukematch games (Online).
Hail to the King, Baby (25 points): Earn respect and get 500 total kills in ranked Dukematch games (Online).


Read more: http://www.cheatcc.com/xbox360/dukenukem3dcheatscodes.html#ixzz1Ph09tI19
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