* 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.
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.