Marathon: Durandal - Xbox 360 Live Arcade

Seventeen years ago, you survived a vicious Pfhor assault on the U.E.S.C. Marathon. Now you have been awakened by the enigmatic, sentient A.I. called Durandal and sent to an alien world to uncover the mysteries of their advanced technology. In Marathon: Durandal, armed with only a pistol, you are humanity’s last champion!