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
Fortuito: Lost History
Single-player alternative to Sanitarium — playable solo, no multiplayer required. Shares Adventure with Sanitarium.
Fortuito: Lost History is an indie adventure first-person horror, face the unknown with classic fps mechanics, solve puzzles and immerse in this bad trip!
- 3
Corpo Connections
Single-player alternative to Sanitarium — playable solo, no multiplayer required. Shares Adventure with Sanitarium.
Corpo Connections is a stylistic, narrative-driven, horror adventure game where you match anomalies and their descriptions. Uncover hidden secrets, solve scrambled messages, and piece together the mysterious workings of your new employer.
- 4
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.
- 5
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!
- 6
POSTAL
Single-player alternative to Sanitarium — playable solo, no multiplayer required.
Take control of The POSTAL Dude in his infamous first outing as he battles to survive in a world gone mad! POSTAL is a classic isometric shooter filled to the brim with fast-paced explosive action.
- 7
The Bookwalker: Thief of Tales
Single-player alternative to Sanitarium — playable solo, no multiplayer required. Shares Adventure with Sanitarium.
The Bookwalker is a narrative adventure in which you play as Etienne Quist, a writer-turned-thief with the ability to dive into books. Use your powers to journey between reality and book worlds, and steal legendary items like Thor's Hammer and Excalibur to restore your ability to write.
- 8
If On A Winter's Night, Four Travelers
Single-player alternative to Sanitarium — playable solo, no multiplayer required. Shares Adventure with Sanitarium.
If On A Winter's Night, Four Travelers is a narrative-driven point-and-click adventure with horror elements that explores the stories of four characters in a masked ball taking place aboard a train in the late 1920s.
- 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!