Doom

From outside the base you hear the carnage: guns firing, men screaming, bones cracking...then silence. Suddenly you're the last surviving marine thrust into a bloody, gore-ridden underworld 50 million miles into the future. It's Doom to the 64th power with 16-bit true color, advanced lighting effects...and some new parts of Hell you'll wish we didn't include in this version.

See more info at these sites by clicking:

Google	Google Images	Youtube	Wikipedia