Single-player games like Altarium
Below are 10 single-player Steam games similar to Altarium, 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 Altarium page.
Ranked picks
- 1
Amnesia: The Dark Descent
Single-player alternative to Altarium — playable solo, no multiplayer required. Shares Adventure with Altarium.
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.
- 2
Resident Evil Village
Single-player alternative to Altarium — playable solo, no multiplayer required.
Experience survival horror like never before in the 8th major installment in the Resident Evil franchise - Resident Evil Village. With detailed graphics, intense first-person action and masterful storytelling, the terror has never felt more realistic.
- 3
Outlast 2
Single-player alternative to Altarium — playable solo, no multiplayer required. Shares Adventure with Altarium.
Outlast 2 introduces you to Sullivan Knoth and his followers, who left our wicked world behind to give birth to Temple Gate, a town, deep in the wilderness and hidden from civilization. Knoth and his flock are preparing for the tribulations of the end of times and you’re right in the thick of it.
- 4
SOMA
Single-player alternative to Altarium — playable solo, no multiplayer required. Shares Adventure with Altarium.
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.
- 5
Visage
Single-player alternative to Altarium — playable solo, no multiplayer required. Shares Adventure with Altarium.
Visage is a first-person psychological horror game. Explore a mysterious ever-changing house in a slow-paced, atmospheric world that combines both uncannily comforting and horrifyingly realistic environments, and enjoy a genuinely terrifying experience.
- 6
The Beast Inside
Single-player alternative to Altarium — playable solo, no multiplayer required. Shares Adventure with Altarium.
The Beast Inside is a unique, gripping twist on thriller and survival horror. Immerse in the story of long-buried secrets, personal tragedies, and madness. Play as two protagonists bounded by dark heritage. Combat the enemies, solve riddles and experience real terror in the 3D-scanned environment.
- 7
Maid of Sker
Single-player alternative to Altarium — playable solo, no multiplayer required. Shares Adventure with Altarium.
Maid of Sker is a first-person survival horror, set in a remote hotel with a gory and macabre history from Welsh folklore. Brave the nightmares of the Quiet Ones. Do not panic…don’t even breathe!
- 8
Ad Infinitum
Single-player alternative to Altarium — playable solo, no multiplayer required. Shares Adventure with Altarium.
When reality is a nightmare, nightmares become real. In this psychological horror game, you fight the terrifying creatures invading your mind. Can you save your sanity?
- 9
File Destined
Single-player alternative to Altarium — playable solo, no multiplayer required. Shares Adventure with Altarium.
Can this last case of Oliver, all be just a small part of a bigger picture? Gather clues, unravel the mystery behind the case and uncover the truth.
- 10
Westfall
Single-player alternative to Altarium — playable solo, no multiplayer required. Shares Adventure with Altarium.
Westfall is a cooperative/collaborative horror game where you collect precious stones from cursed towns of the wild west.