Major Nelson says that Marathon Durandal is one of two games that will hit Xbox Live Arcade this week; specifically, on Wednesday, when XBLA gets its weekly update.

Durandal wll cost 800 points. For more information and screenshots, check the Marathon Durandal page at Xbox.com.

UPDATE: Over in the HBO forum, RotaJota found an interview with Bruce "Hippieman" Morrison about the game, and Gifty located what looks like a list of the game's achievements.