Single-player games like Black Mesa
Below are 17 single-player Steam games similar to Black Mesa, ranked by player overlap. Every pick carries Steam's Single-player category, so multiplayer-only titles or always-online games don't sneak in. imho.run pulls the category data from Steam directly — Single-player here matches what the store labels.
Want the full alternatives list (paid + free + Steam Deck + cheaper picks)? See the parent games like Black Mesa page.
Ranked picks
- 1
Half-Life 2
Single-player alternative to Black Mesa — playable solo, no multiplayer required. Shares Action with Black Mesa.
Reawakened from stasis in the occupied metropolis of City 17, Gordon Freeman is joined by Alyx Vance as he leads a desperate human resistance. Experience the landmark first-person shooter packed with immersive world-building, boundary-pushing physics, and exhilarating combat.
- 2
DOOM
Single-player alternative to Black Mesa — playable solo, no multiplayer required. Shares Action with Black Mesa.
Now includes all three premium DLC packs (Unto the Evil, Hell Followed, and Bloodfall), maps, modes, and weapons, as well as all feature updates including Arcade Mode, Photo Mode, and the latest Update 6.66, which brings further multiplayer improvements as well as revamps multiplayer progression.
- 3
Prodeus
Single-player alternative to Black Mesa — playable solo, no multiplayer required. Shares Action and Indie with Black Mesa.
Prodeus is a first-person shooter of old, re-imagined using modern rendering techniques and technology. Experience the quality you’d expect from a modern AAA game, designed with retro aesthetics and gameplay that invoke the tech-imposed limits of older hardware.
- 4
Prey
Single-player alternative to Black Mesa — playable solo, no multiplayer required. Shares Action and Adventure with Black Mesa.
In Prey, you awaken aboard Talos I, a space station orbiting the moon in the year 2032. You are the key subject of an experiment meant to alter humanity forever – but things have gone terribly wrong. The space station has been overrun by hostile aliens and you are now being hunted.
- 5
Quake
Single-player alternative to Black Mesa — playable solo, no multiplayer required. Shares Action with Black Mesa.
Developed by the award-winning id Software, Quake® is the ground-breaking, original dark fantasy first-person shooter that inspires today’s retro-style FPS games. With Quake (Enhanced), experience the authentic, updated, and visually enhanced version of the original.
- 6
Wolfenstein: The New Order
Single-player alternative to Black Mesa — playable solo, no multiplayer required. Shares Action with Black Mesa.
Wolfenstein®: The New Order reignites the series that created the first-person shooter genre. Wolfenstein offers a deep game narrative packed with action, adventure and first-person combat.
- 7
S.T.A.L.K.E.R.: Call of Pripyat
Single-player alternative to Black Mesa — playable solo, no multiplayer required. Shares Action with Black Mesa.
S.T.A.L.K.E.R.: Call of Pripyat is the direct sequel of the S.T.A.L.K.E.R.: Shadow of Chernobyl. As a Major Alexander Degtyarev you should investigate the crash of the governmental helicopters around the Zone and find out, what happened there.
- 8
Transmissions: Element 120
Single-player alternative to Black Mesa — playable solo, no multiplayer required. Shares Action and Indie with Black Mesa.
TE120 is a short single player experience set in the Half-Life Universe featuring a gravity defying weapon that allows you to jump buildings and sustain large falls. The story takes place at a mysterious date & location. Where are you? Why have you been sent?
- 9
SOMA
Single-player alternative to Black Mesa — playable solo, no multiplayer required. Shares Action and Indie with Black Mesa.
From the creators of Amnesia: The Dark Descent comes SOMA, a sci-fi horror game set below the waves of the Atlantic ocean. Struggle to survive a hostile world that will make you question your very existence.
- 10
Fallout 4
Single-player alternative to Black Mesa — playable solo, no multiplayer required.
From Bethesda Game Studios, the award-winning creators of Starfield and The Elder Scrolls V: Skyrim, comes Fallout 4. A landmark in open-world RPG design and winner of over 200 ‘Best Of’ honors, including the DICE and BAFTA Game of the Year.
- 11
Dead Space
Single-player alternative to Black Mesa — playable solo, no multiplayer required. Shares Action and Adventure with Black Mesa.
The sci-fi survival-horror classic returns, completely rebuilt to offer an even more immersive experience — including visual, audio, and gameplay improvements — while staying faithful to the original game’s thrilling vision.
- 12
System Shock® 2 (1999)
Single-player alternative to Black Mesa — playable solo, no multiplayer required. Shares Action with Black Mesa.
"Remember, it is my will that guided you here. It is my will that gave you your cybernetic implants, the only beauty in that meat you call a body. If you value that meat... you will do as I tell you." The cult classic sci-fi horror FPS-RPG has returned.
- 13
Alien: Isolation
Single-player alternative to Black Mesa — playable solo, no multiplayer required. Shares Action with Black Mesa.
Discover the true meaning of fear in Alien: Isolation, a survival horror set in an atmosphere of constant dread and mortal danger.
- 14
Red Dead Redemption 2
Single-player alternative to Black Mesa — playable solo, no multiplayer required. Shares Action and Adventure with Black Mesa.
Arthur Morgan and the Van der Linde Gang are outlaws on the run. With federal agents and bounty hunters massing on their heels, the gang must rob, steal, and fight their way across the rugged heartland in order to survive.
- 15
Half-Life
Single-player alternative to Black Mesa — playable solo, no multiplayer required. Shares Action with Black Mesa.
Named Game of the Year by over 50 publications, Valve's debut title blends action and adventure with award-winning technology to create a frighteningly realistic world where players must think to survive. Also includes an exciting multiplayer mode that allows you to play against friends and enemies around the world.
- 16
Half-Life: Source
Single-player alternative to Black Mesa — playable solo, no multiplayer required. Shares Action with Black Mesa.
Winner of over 50 Game of the Year awards, Half-Life set new standards for action games when it was released in 1998. Half-Life: Source is a digitally remastered version of the critically acclaimed and best selling PC game, enhanced via Source technology to include physics simulation, enhanced effects, and more.
- 17
Rogue Point
Single-player alternative to Black Mesa — playable solo, no multiplayer required. Shares Action with Black Mesa.
From the creators of Black Mesa: Welcome to Rogue Point! A 4-player co-op shooter where teamwork is everything. Join forces on intense missions with evolving objectives and powerful upgrades. Plan, Adapt, and Overcome. Your squad’s survival depends on it.