Chase, hide or advance in over 40 levels of the most nightmarish,chillingly detailed futuristic environment your mind could ever imagine.Now the three most ferocious species in the universe are pitted againstone another in a battle for the ultimate prize- survival. Choose to be a Colonial Marine, a Predator, or an Alien as you make yourway through horrifyingly suspenseful environments ranging fromspaceships and colonial bases to spacestations and eerie planetscapes.One wrong move turns you from hunter into prey. Your species is countingon you.