Prey: In-Game ContentXbox Live members can now download the following free content for ‘Prey’ from the Xbox Live Marketplace: Becky-Multi-player character Elhuit-Multi-player character Elite-Multi-player character Hunter-Multi-player character Jen-Multi-player character Gravity Labs-Multi-player map Space Oddity-Multi-player map Topillogical-Multi-player map Tunnel Rat-Multi-player map This content is not available in Japan. Features Prey tells the story of Tommy, a Cherokee garage mechanic stuck on a reservation going nowhere. Along with his people, he is abducted to a menacing mothership orbiting Earth, where he sets out to save himself, his girlfriend, and eventually his planet. Enhanced engine: Built on an enhanced DOOM 3® engine, the most impressive 3-D engine used in a game. Portal technology: This feature adds a new dimension to gameplay, allowing enemies to appear out of thin air, and creates new and completely original puzzles and gameplay styles. Unique style: Features multiplayer game support that takes advantage of unique gameplay styles and elements, such as Spirit Walking, Wall Walking, and Deathwalk. Spiritual help: Tommy has a sidekick, a spiritual hawk that can help him fight enemies and decipher the alien language of the living ship.