Return to one of the all-time best Sci-Fi universes ever created. As a squad leader in the Colonial Marine Corps, you command a squad of battle-hardened marines to unlock the origins of the Xenomorph alien species. You will experience heart pounding action where the wits and skills of you and your squad are your only means to survive the terror of the alien threat.The story picks up where Aliens left off and parallels the time period of Alien3. You're in command of an elite squad of Colonial Marines sent to investigate the mysterious disappearance of the unit that was sent to the LV-426 colony before you. Discovering that this force was wiped out, you will have to uncover and defeat the alien threat with the help of your unit of Colonial Marines.