Unlock the following gallery art by earning the corresponding amounts of gamerscore points:

ART - GAMERSCORE POINTS
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