Duke Nukem 3D

Unlockable Gallery Art:

Art - Task:
Bad Cop concept art: Collect 0 Gamerscore points
Pig Cop concept art: Collect 10 Gamerscore points
Octabran concept art 1: Collect 30 Gamerscore points
Octabrain concept art 2: Collect 30 Gamerscore points
Sonic Resonator concept art: Collect 50 Gamerscore points
Jetpack concept art: Collect 50 Gamerscore points
Alternative Pig Cop concept art 1: Collect 70 Gamerscore points
Alternative Pig Cop concept art 2: Collect 70 Gamerscore points
Duke's Vehicle concept art: Collect 90 Gamerscore points
Trooper Recon Car concept art: Collect 90 Gamerscore points
Duke Nukem Forever screenshot 1: Collect 200 Gamerscore points
Duke Nukem Forever screenshot 2: Collect 200 Gamerscore points


Achievements:
Complete the following achievements to award the indicated amount of
Xbox Live Gamerscore points.

Shake It Baby (10 gamerscore points):
Tip an exotic dancer.

See You in Hell (15 gamerscore points):
Get 250 total kills in ranked Dukematch games (Online).

Piece of Cake (25 gamerscore points):
Unlocked by completing "L.A. Meltdown" on any difficulty level or in co-op.

Oomph, Uugh, Where is it? (10 gamerscore points):
Find 70 secret areas.

Looks Like Cleanup on Aisle 4 (10 gamerscore points):
Step in a pile of excrement.

Let's Rock (25 gamerscore points):
Unlocked by completing "Lunar Apocalypse" on any difficulty level or in co-op.

Hail to the King, Baby (25 gamerscore points):
Earn respect and achieve 500 total kills in ranked online Dukematch games.

Gonna Rip Em' a New One (10 gamerscore points):
Achieve 100 total kills in ranked online Dukematch games.

Game Over (25 gamerscore points):
Unlocked by completing "The Birth" on any difficulty or in co-op.

Duke's Mighty Foot (10 gamerscore points):
Step on 40 enemies after using the Shrinker on them.

Come Get Some (25 gamerscore points):
Unlocked by completing "Shrapnel City" on any difficulty or in co-op.

Alien Maggots are Gonna Pay (10 gamerscore points):
Unlocked by completing the "Hollywood Holocaust" level less than 3 minutes.


Secret weapons at final Boss:
Make sure you have a jet pack before you fight against the final Boss.
Fly up and destroy the beer blimp. Different weapons and health pack
will scatter on the ground. Pick up the Devastator then kill him easily.