When a meteorite from outer space hits a young California woman named Susan Murphy and turns her into a giant monster, she is taken to a secret government compound where she meets a ragtag group of monsters also rounded up over the years. As a last resort, under the guidance of General W.R. Monger, on a desperate order from The President, the motley crew of Monsters is called into action to combat the aliens and save the world from imminent destruction!

When a meteorite from outer space hits a young California woman named Susan Murphy and turns her into a giant monster, she is taken to a secret government compound where she meets a ragtag group of monsters also rounded up over the years. As a last resort, under the guidance of General W.R. Monger, on a desperate order from The President, the motley crew of Monsters is called into action to combat the aliens and save the world from imminent destruction!

When a meteorite from outer space hits a young California woman named Susan Murphy and turns her into a giant monster, she is taken to a secret government compound where she meets a ragtag group of monsters also rounded up over the years. As a last resort, under the guidance of General W.R. Monger, on a desperate order from The President, the motley crew of Monsters is called into action to combat the aliens and save the world from imminent destruction!

When a meteorite from outer space hits a young California woman named Susan Murphy and turns her into a giant monster, she is taken to a secret government compound where she meets a ragtag group of monsters also rounded up over the years. As a last resort, under the guidance of General W.R. Monger, on a desperate order from The President, the motley crew of Monsters is called into action to combat the aliens and save the world from imminent destruction!

When a meteorite from outer space hits a young California woman named Susan Murphy and turns her into a giant monster, she is taken to a secret government compound where she meets a ragtag group of monsters also rounded up over the years. As a last resort, under the guidance of General W.R. Monger, on a desperate order from The President, the motley crew of Monsters is called into action to combat the aliens and save the world from imminent destruction!

The only survivor of the Nostromo, Ripley is discovered in deep sleep half a century later by a salvage ship. When she is taken back to Earth, she learns that a human colony was founded on the same planet where the aliens were first found. After contact with the colony is lost, she finds herself sent back to the planet along with a team of warriors bent on destroying the alien menace forever, and saving any survivors -- if any remain.

The battle goes on - different forms of life come together again, in an irreconcilable struggle. In Aliens vs. Predator players wait three thrilling story campaign, as well as an unforgettable multiplayer battles, in which each race will be able to take advantage of its unique tactics

In Aliens vs. Predator players will have the chance to take the role of the three infamous species; the Colonial Marine, the Predator and the Alien. Each of the three species has its very own distinct story-driven single-player campaign mode that interweaves with the campaigns of the other two species.