The Conqueror addon - Aliens vs. Predator 2

Alien vs. Predator 2 combines elements, creatures, and settings from the hit movies Aliens and Predator in three unique, interlocking stories. They unfold from the perspective of a young Marine Corporal, a newly-emerged Alien, and a Predator on the hunt. Highly detailed environments, phenomenal effects, and an advanced game engine intensify the gameplay of this first-person shooter adventure.