Available exclusively on Xbox 360, Halo 3: ODST sees you take on the role of The Rookie, the newest recruit to humanity's second most elite fighting force, the Orbital Drop Shock Troopers!In Halo 3: OSDT on Xbox 360, you'll explore the ruins of the devastated New Mombassa, location of the Covenant's incursions in Halo 3 - employing stealth, cunning and high-powered weaponry in order to uncover its secrets and drive the vicious alien forces off humanity?s homeworld.Packing a unique, free-roaming FPS campaign, all-new multiplayer modes, a fresh co-operative gametype called Firefight, and even including three brand new multiplayer maps for Halo 3, ODST is by far the biggest Xbox 360 game of 2009!