Games like Half-Life: Source

Loved Half-Life: Source? These 20 games share the most with it (FPS, Action, Sci-fi). Start with Black Mesa, Quake and Aliens vs. Predator.

Black MesaLike Half-Life: Source: Aliens, FPS and Sci-fiQuakeLike Half-Life: Source: 1990's, FPS and First-PersonAliens vs. PredatorLike Half-Life: Source: Aliens, FPS and Sci-fiCrysis 3 RemasteredLike Half-Life: Source: Aliens, FPS and Sci-fiDuke Nukem ForeverLike Half-Life: Source: Aliens, FPS and Sci-fiAliens versus Predator Classic 2000Like Half-Life: Source: Aliens, FPS and Sci-fiMaster Levels for Doom IILike Half-Life: Source: 1990's, FPS and Sci-fiCrysis WarheadLike Half-Life: Source: Aliens, FPS and Sci-fiAliens: Colonial Marines CollectionLike Half-Life: Source: Aliens, FPS and Sci-fiCrysis 2 - Maximum EditionLike Half-Life: Source: Aliens, FPS and Sci-fiQuake IILike Half-Life: Source: 1990's, FPS and Sci-fiHalo: The Master Chief CollectionLike Half-Life: Source: FPS, Sci-fi and First-PersonDOOM IILike Half-Life: Source: 1990's, FPS and Sci-fiAlien Rage - UnlimitedLike Half-Life: Source: Aliens, FPS and Sci-fiUnreal GoldLike Half-Life: Source: 1990's, FPS and Sci-fiUnreal 2: The AwakeningLike Half-Life: Source: Aliens, FPS and Sci-fiBack 4 BloodLike Half-Life: Source: FPS, Zombies and First-PersonLeft 4 Dead 2Like Half-Life: Source: FPS, Zombies and First-PersonCrysis RemasteredLike Half-Life: Source: Aliens, FPS and Sci-fiCall of Duty: Black Ops 6Like Half-Life: Source: FPS, Zombies and Shooter