Halo 3: ODST, developed exclusively for the Xbox 360 by acclaimed developer Bungie, is a new game in the Halo saga that lets people experience events leading up to the epic story told in Halo 3 through the eyes of an ODST (Orbital Drop Shock Trooper), as they search for clues leading to the whereabouts of their scattered squad and the motivations behind the Covenant's invasion of New Mombasa. Halo 3: ODST also introduces Firefight, a new cooperative multiplayer mode where up to four players ...