Single-player games like Hospital 666
Below are 13 single-player Steam games similar to Hospital 666, 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 Hospital 666 page.
Ranked picks
- 1
School 666
Single-player alternative to Hospital 666 — playable solo, no multiplayer required. Shares Action and Indie with Hospital 666.
School 666 is a 1-4 Player Co-op Survival Horror. You must escape this endless nightmare. Try to identify the correct path and survive the anomalies in this endless school. Some extremely powerful anomalies will catch you to their dimensions. Explore the reason why you are here... and don't die.
- 2
Long Carnage
Single-player alternative to Hospital 666 — playable solo, no multiplayer required. Shares Action and Indie with Hospital 666.
Long Carnage is a first-person cooperative horror game for up to 4 players. Explore an isolated house, find resources, restore power, and survive unique killers with their own mechanics in dynamic and unpredictable matches.
- 3
Scopaesthesia
Single-player alternative to Hospital 666 — playable solo, no multiplayer required. Shares Indie and Adventure with Hospital 666.
Join your friends or go it alone in this cooperative horror game. Collect pieces of evidence to uncover a mysterious disappearance, all while an unknown entity lurks in the shadows. Venture through a variety of environments, gathering what you can to progress and complete your objective...
- 4
From Hell
Single-player alternative to Hospital 666 — playable solo, no multiplayer required. Shares Action and Indie with Hospital 666.
From Hell is a first-person psychological horror game that focuses on creating fear and tension for the player.
- 5
MIRROR MIRROR
Single-player alternative to Hospital 666 — playable solo, no multiplayer required. Shares Action and Indie with Hospital 666.
MIRROR MIRROR is a first-person psychological horror game. You repeatedly find yourself in a house where you find presence of unknown entities. Go through unreal experiences in the house and uncover the secrets of your fractured mind. Experience the tension and fear in the repeating space.
- 6
Gnome
Single-player alternative to Hospital 666 — playable solo, no multiplayer required. Shares Indie with Hospital 666.
You're taking care of your friend's house but a garden gnome appears.
- 7
Unsent
Single-player alternative to Hospital 666 — playable solo, no multiplayer required. Shares Indie and Adventure with Hospital 666.
Trapped in a loop within old apartment, the only way out is to confront deliberately forgotten memories. Under the chilling atmosphere, you must confront the manifestations of your trauma, and decide the fate of a fractured bond. Every clue matters; every choice leads to a different redemption.
- 8
APT. 407
Single-player alternative to Hospital 666 — playable solo, no multiplayer required. Shares Indie and Adventure with Hospital 666.
A psychological horror game set in a Korean apartment building. Explore eerie occurrences throughout the complex and uncover the truth behind them.
- 9
Platform 8
Single-player alternative to Hospital 666 — playable solo, no multiplayer required. Shares Indie and Adventure with Hospital 666.
You are trapped on a train that runs forever. Keep an eye out for anomalies and find a way out.
- 10
I'm on Observation Duty
Single-player alternative to Hospital 666 — playable solo, no multiplayer required. Shares Indie with Hospital 666.
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?
- 11
BLACK BOX LSS - The Shining Immortal
Single-player alternative to Hospital 666 — playable solo, no multiplayer required. Shares Indie with Hospital 666.
Immerse yourself in a pixel-art visual novel that blends thrilling crime, romantic comedy, and the pursuit of love. This game depicts the story of a new employee pursuing his female boss.
- 12
![[Chilla's Art] Shinkansen 0 | 新幹線 0号 — Steam game cover](https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/2793370/header.jpg?t=1712378962)
[Chilla's Art] Shinkansen 0 | 新幹線 0号
Single-player alternative to Hospital 666 — playable solo, no multiplayer required. Shares Indie with Hospital 666.
Shinkansen 0 | 新幹線 0号 is a game set in Japan where players are tasked with finding anomalies in the Shinkansen. (Japanese bullet train)
- 13
EXIT
Single-player alternative to Hospital 666 — playable solo, no multiplayer required. Shares Indie and Adventure with Hospital 666.
Following the instructions on your phone, in an infinite loop, find the anomaly and continue moving forward, ultimately "escaping" through the safety exit. But who is instructing you on your phone, and is he really trustworthy? Have you really escaped