Single-player games like Sanitarium
Below are 18 single-player Steam games similar to Sanitarium, 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 Sanitarium page.
Ranked picks
- 1

I Have No Mouth, and I Must Scream
Single-player alternative to Sanitarium — playable solo, no multiplayer required. Shares Adventure with Sanitarium.
The adventure plunges you into the tortured and hidden past of five humans. Delve into their darkest fears. Outwit the Master Computer AM in a game of psychological warfare. Disturbing, compelling. An adventure you won't easily forget !!
- 2

Harvester
Single-player alternative to Sanitarium — playable solo, no multiplayer required. Shares Adventure with Sanitarium.
A strange and twisted world...Harvester! The most violent adventure game of all time comes to Steam!
- 3

Fran Bow
Single-player alternative to Sanitarium — playable solo, no multiplayer required. Shares Adventure with Sanitarium.
Fran Bow is a creepy adventure game that tells the story of Fran, a young girl struggling with a mental disorder and an unfair destiny.
- 4

Strangeland
Single-player alternative to Sanitarium — playable solo, no multiplayer required. Shares Adventure with Sanitarium.
You wake in a surreal carnival, where a woman cries out to you before leaping to her death. Can either of you be saved? The denizens and devices of Strangeland answer with riddles, puzzles, and warnings of a Dark Thing lurking at the park’s peak. A new adventure from the creators of Primordia.
- 5

STASIS
Single-player alternative to Sanitarium — playable solo, no multiplayer required. Shares Adventure with Sanitarium.
STASIS The isometric, point-and-click, sci-fi horror adventure game! In the distant future aboard a seemingly abandoned spacecraft, John Maracheck awakes from stasis. He must push himself to new physical and emotional limits and unravel the mysteries around him.
- 6

Detention
Single-player alternative to Sanitarium — playable solo, no multiplayer required. Shares Adventure with Sanitarium.
Detention is an atmospheric horror game set in 1960s Taiwan under martial law. Incorporated religious elements based in Taiwanese/Chinese culture and mythology, the game provided players with unique graphics and gaming experience.
- 7

An English Haunting
Single-player alternative to Sanitarium — playable solo, no multiplayer required. Shares Adventure with Sanitarium.
While looking for the existence of the Great Beyond, Professor Patrick Moore, aided by a fake medium, will build a device to see the other side, embark on a search for a millenary artifact, and investigate the most haunted manor of 1907 England.
- 8

ASYLUM
Single-player alternative to Sanitarium — playable solo, no multiplayer required. Shares Adventure with Sanitarium.
An epic supernatural horror adventure and the spiritual successor to cult classic Scratches set in a massive, decaying mental institute. Inspired by H. P. Lovecraft, Hammer Films and twisted Euro Horror from the 80s.
- 9

Resident Evil
Single-player alternative to Sanitarium — playable solo, no multiplayer required. Shares Adventure with Sanitarium.
The game that defined the survival-horror genre is back! Check out the remastered HD version of Resident Evil.
- 10

Maniac Mansion
Single-player alternative to Sanitarium — playable solo, no multiplayer required. Shares Adventure with Sanitarium.
Quick, Dr. Fred's Kidnapped Sandy and he's about to start the experiment...
- 11

Heroes® of Might & Magic® III - HD Edition
Single-player alternative to Sanitarium — playable solo, no multiplayer required.
The most popular Heroes® title of all time is back in HD! Fifteen years later, rediscover the epic tale of Queen Catherine Ironfist, as she re-embarks on her critically acclaimed quest to unite her ravaged homeland and re-conquer the kingdom of Erathia.
- 12

Streets of Rage 4
Single-player alternative to Sanitarium — playable solo, no multiplayer required.
Amongst the best beat’em up series ever created, jammin’ ‘90s beats and over the top street fighting, the iconic series Streets of Rage comes back with a masterful tribute to and revitalization of the classic action fans adore.
- 13

Absolum
Single-player alternative to Sanitarium — playable solo, no multiplayer required. Shares Adventure with Sanitarium.
Fight as the outcast heroes of Talamh in a fierce battle to retake magic from Sun King Azra’s grasp in Absolum, an original roguelite beat ‘em up by Dotemu.
- 14

METAL SLUG 3
Single-player alternative to Sanitarium — playable solo, no multiplayer required.
“METAL SLUG 3”, the masterpiece in SNK’s emblematic 2D run & gun action shooting game series, still continues to fascinate millions of fans worldwide to this day for its intricate dot-pixel graphics, and simple and intuitive game controls, heads out to the Steam gaming platform!
- 15

METAL SLUG
Single-player alternative to Sanitarium — playable solo, no multiplayer required.
“METAL SLUG ”, the very first title in SNK’s legendary 2D run & gun action shooting game series where all began, returns to the missions on the Steam gaming platform!
- 16

METAL SLUG X
Single-player alternative to Sanitarium — playable solo, no multiplayer required.
“METAL SLUG X”, one of the most highly praised titles in the series among Metal Slug fans for its refined balance and game volume, heads out to the Steam gaming platform!
- 17

Another World – 20th Anniversary Edition
Single-player alternative to Sanitarium — playable solo, no multiplayer required. Shares Adventure with Sanitarium.
Also known as Out Of This World™, Another World is a pioneer action/platformer that released across more than a dozen platforms since its debut in 1991. Along the years, Another World™ has attained cult status among critics and sophisticated gamers alike.
- 18

METAL SLUG 2
Single-player alternative to Sanitarium — playable solo, no multiplayer required.
“METAL SLUG 2”, the 2nd entry in SNK’s emblematic 2D run & gun action shooting game returns to the battlefield on the Steam gaming platform!