Single-player games like Project Miasma: Prelude
Below are 8 single-player Steam games similar to Project Miasma: Prelude, 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 Project Miasma: Prelude page.
Ranked picks
- 1
Tomb of Chacal
Single-player alternative to Project Miasma: Prelude — playable solo, no multiplayer required.
Tomb of Chacal is a first-person horror game with stealth and puzzle mechanics. You are an archeologist who has stumbled upon the discovery of a lifetime - an undiscovered tomb hidden deep in the jungle. But the riches here are being guarded by an ancient evil.
- 2
The Dark Curiosity
Single-player alternative to Project Miasma: Prelude — playable solo, no multiplayer required. Shares Indie with Project Miasma: Prelude.
First-person psychological sci-fi horror set on an abandoned space station. Left alone, you explore and piece together what happened. Something is moving in the dark, and the closer you get to the truth, the closer it gets to you.
- 3
Pyrami Head
Single-player alternative to Project Miasma: Prelude — playable solo, no multiplayer required. Shares Indie with Project Miasma: Prelude.
We are trying to escape from a dark and extremely disturbing mysterious place. We are trying to rescue our character, who has lost his memory and is waiting to be sacrificed, without getting caught by the enemies around and open the hidden areas of the room by exploring the surroundings.
- 4
BrokenLore: ASCEND
Single-player alternative to Project Miasma: Prelude — playable solo, no multiplayer required.
BrokenLore: ASCEND is a first-person psychological horror with climbing and stealth mechanics. Follow Ren and Yui, two rooftop climbers facing a cursed tower and the terrifying Rokurokubi. The higher they climb, the closer they get to madness—and to the truth about themselves.
- 5
Alone in the Dark
Single-player alternative to Project Miasma: Prelude — playable solo, no multiplayer required.
Return to Derceto Manor in this reimagination of Alone in the Dark, a love letter to the 90’s cult classic horror game.
- 6
Beneath
Single-player alternative to Project Miasma: Prelude — playable solo, no multiplayer required.
Beneath is a Lovecraft-inspired survival FPS. Scarce ammo, merciless enemies and a sense of the unknown combine in a 10+ hour, story-driven single player campaign, built for both veteran gamers and those seeking a challenging old school experience.
- 7
I'm on Observation Duty 6
Single-player alternative to Project Miasma: Prelude — playable solo, no multiplayer required. Shares Indie with Project Miasma: Prelude.
As an employee of a mysterious organization your job is to monitor live surveillance camera footage and spot anomalies using your sharp eyes and good memory. Can you survive the entire night shift or will you succumb into paranoia?
- 8
Amnesia: The Dark Descent
Single-player alternative to Project Miasma: Prelude — playable solo, no multiplayer required. Shares Indie with Project Miasma: Prelude.
Amnesia: The Dark Descent, a first person survival horror. A game about immersion, discovery and living through a nightmare. An experience that will chill you to the core.