Chase, stalk, and annihilate in over 35 levels of the most nightmarish, chillingly detailed futuristic environment your mind could never image. Now the three most ferocious species in the universe are pitted against one another in a bloodthirsty battle for the ultimate price - survival. Choose to be a Colonial Marine, a Predator, or an Alien as you make your way through horrifyingly suspenseful environments ranging from spaceships and colonial bases to spacestations and eerie planetscapes. One wrong move turns you from hunter to prey.