Games like Aliens: Colonial Marines - Sawed-off Double Barrel Shotgun

If you finished Aliens: Colonial Marines - Sawed-off Double Barrel Shotgun, the closest matches are Trepang2, Far Cry, F.E.A.R. 2: Project Origin, Afterfall: Insanity and Run Like Hell: Hunt or Be Hunted. All 8 share its shooter genre and are ranked by how closely their themes and modes overlap.