Aliens: Colonial Marines is a game that takes you back into the world of one of the greatest science fiction classics.
When the U.S.S. Sulaco, apparently deserted, is found in orbit around Earth, an elite unit of the US Colonial Marines is then dispatched to the ship to find out what happened to the rest of the platoon.
You are at the head of this team of professionals and it is up to you to uncover the truth about an intergalactic conspiracy threatening all of humanity. These are indeed the most dangerous and criminal species in the entire universe: Aliens.