Halo 3: ODST is a new chapter in the "Halo" saga that lets gamers experience events leading up to the epic story told in "Halo 3" through the eyes of a new hero in the "Halo" universe.

The stand-alone expansion extends the award-winning "Halo 3" experience with hours of new campaign excursions and multiplayer gameplay. In addition, attendees were given an all-new glimpse of the Xbox 360 exclusive strategy game "Halo Wars" from Ensemble Studios. By showing campaign mode for the first time, the live demo provided viewers with a thrilling taste of the revolutionary gameplay and new perspective of the "Halo" universe.

The Halo 3: ODST (Orbital Drop Shock Troopers) is a more straightforward account of the experience that awaits and the role you will assume as you explore the streets of New Mombasa. But don't worry, you can still has Recon. (the armor that is, it's still tied to the Vidmaster achievements and will be accessible via the final retail release next Fall).