Wide variety of Alien enemy forces including Infantry, Warriors, Flying Drones, Spiders Huge boss fights – Over 21 enemy types including 8 beastlysized bosses to challenge and destroy through 14 Levels Strong thru-the-gun experience with 10 powerful weapons each with two firing modes Skill shots, head shots and shooting accuracy heavily rewarded Player-triggered destruction of environments and cover helps to advance through levels Built with powerful up-to-date graphics technology, awesome physics, destructible environments