Single-player games like CLAUSTRUM
Below are 8 single-player Steam games similar to CLAUSTRUM, 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 CLAUSTRUM page.
Ranked picks
- 1
Back in the Swamp
Single-player alternative to CLAUSTRUM — playable solo, no multiplayer required. Shares Indie and Adventure with CLAUSTRUM.
A first-person point-and-click exploration adventure set in a mysterious post-apocalyptic swamp filled with giant insects and abandoned robots. Observe your surroundings, find the right objects, and progress through the ruins in this 3–4 hour atmospheric journey.
- 2
Kult Rising
Single-player alternative to CLAUSTRUM — playable solo, no multiplayer required. Shares Indie and Adventure with CLAUSTRUM.
Kult Rising is an atmospheric exploration game that allows you to explore the Backrooms. Wander through the surreal, dreamlike world of Sxlaris, a canon combining The SCP Foundation, with The Backrooms.
- 3
Krigo's PlayPlace
Single-player alternative to CLAUSTRUM — playable solo, no multiplayer required. Shares Indie and Adventure with CLAUSTRUM.
as a relative of the founder of a children’s playplace, you finally come back to the place many years after it was abandoned and much more..
- 4
Dire Echo
Single-player alternative to CLAUSTRUM — playable solo, no multiplayer required. Shares Indie and Adventure with CLAUSTRUM.
Dire Echo is a psychological horror walking simulator that immerses players in the eerie and oppressive atmosphere of abandoned deep space.
- 5
THE SUSPENSE
Single-player alternative to CLAUSTRUM — playable solo, no multiplayer required. Shares Indie and Adventure with CLAUSTRUM.
Discover the story of a man tortured by the hardships of life among “endless rusty walls”. Explore the world of a terrifying alternative future, overcome challenges, and maybe you'll be saved (or at least learn a hint of the truth).
- 6
Subterrain: Mines of Titan
Single-player alternative to CLAUSTRUM — playable solo, no multiplayer required. Shares Indie with CLAUSTRUM.
Awaken from an abandoned stasis pod and discover a doomed mining camp on Titan in an uncompromising turn-based survival RPG. Survive the evolving horrors that lurk below and craft equipment, research new gear, fight against overwhelming odds, or even discover your true fate.
- 7
Barbotine
Single-player alternative to CLAUSTRUM — playable solo, no multiplayer required. Shares Indie and Adventure with CLAUSTRUM.
An atmospheric horror micro-game that touches on topics of anxiety, isolation, body image and obsessive habits with a surreal PSX aesthetic.
- 8
![The Eternal Castle [REMASTERED] — Steam game cover](https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/963450/header.jpg?t=1667004057)
The Eternal Castle [REMASTERED]
Single-player alternative to CLAUSTRUM — playable solo, no multiplayer required. Shares Indie and Adventure with CLAUSTRUM.
The Eternal Castle [REMASTERED] is a remake of the original "ETERNAL CASTLE" from 1987, with additional game mechanics, sophisticated sound design, polished 2-bit CGA animated graphics, and modernized game design.