* Extensive Single-Player Campaign - Battle through the corridors of Area 51 and attempt to discover the secrets of the extraterrestrial menace before it's too late in this 1st person shooter experience that focuses on action, adventure and exploration.
* Online Multiplayer Combat - Compete against friends via 4-player split screen and system link, or battle it out online via Xbox Live where players can easily take on opponents worldwide, find friends and set up their own matches.
* Fearsome Weaponry - Players are armed with more than 10 types of human and alien weapons as they explore the dark and menacing corridors of Area 51.
* Biological Mutations - An infectious mutagen has given players alien-enhanced physical abilities but is slowly transforming them into an alien. They must find the cure before it's too late and their humanity is lost.
* Government Conspiracies - Discover the real answers behind such conspiracy theories as the alien autopsy and faked lunar landing.
* Alien Menace - Face off against a horde of horrific creatures designed by Stan Winston Studios, monster creator for such films as Aliens,Jurassic Park and
Predator.
