Aliens: Colonial Marines is Now Available on Steam.
You and your friends are the deadliest killers in the galaxy. Another glorious day in the Corps.
Buckle up, soldier! Welcome to Aliensâ„¢: Colonial Marines. Created by Gearbox, the critically acclaimed and fan-favourite developers of Borderlands and Brothers In Arms, you and your friends will become the most badass military outfit in the galaxy â€“ the US Colonial Marines. Itâ€™s up to you to not just survive, but wipe out the Xeno infestation.