Games like Half-Life: Source

First-person 3D sci-fi FPS action shooter, detailed realistic graphics. Fighting enemies, exploring environments and using weapons.

First-person 3D sci-fi FPS action shooter, retro 3D graphics. Combat, exploring and using weaponry.

First-person 3D sci-fi FPS action shooter, low-poly 3D. Shooting and fighting aliens.

3D sci-fi first-person shooter, realistic dystopian. Combat, physics-based puzzles and story exploration.

First-person 3D sci-fi FPS action shooter, realistic 3D. Shooting, exploring and fighting aliens.

First-person 3D sci-fi FPS action adventure, realistic 3D. Battle combine forces, traverse white forest, use weapons and vehicles.

First-person 3D sci-fi FPS action shooter, low-poly retro. Shooting, surviving and exploring.

First-person 3D sci-fi psychological horror FPS, realistic gritty. Shooting, fighting paranormal minions and investigating secret projects.

First-person 3D sci-fi FPS action horror, retro low-poly. Fighting through campaigns, skirmish mode and playing as different species.

First-person 3D sci-fi FPS boomer shooter, retro 3D graphics. Shooting and fighting crime.

First-person 3D sci-fi FPS boomer shooter, retro 2.5D/3D. Shooting aliens, saving babes and exploring episodes.

3D fantasy first-person shooter, retro-style. Fight monsters, collect runes and combat.