Games like 廃病院探索
Games like 廃病院探索 include Outlast 2, Outlast, No, I'm not a Human, SOMA, and Mouthwashing. We matched them by the tags players give 廃病院探索 on Steam (Horror, Gore, Psychological Horror, Dark, and Atmospheric): closest matches first, and among equally close ones the better-known games.

Outlast 2
Shared: Horror · Psychological Horror · Gore

Outlast
Shared: Horror · Psychological Horror · Gore

No, I'm not a Human
Shared: Horror · Psychological Horror · Atmospheric

SOMA
Shared: Horror · Psychological Horror · Atmospheric

Mouthwashing
Shared: Horror · Psychological Horror · Atmospheric

Poppy Playtime
Shared: Horror · Dark · Psychological Horror

Tiny Bunny
Shared: Horror · Dark · Atmospheric

Amnesia: The Dark Descent
Shared: Horror · Gore · Psychological Horror

Scorn
Shared: Horror · Gore · Atmospheric

Buckshot Roulette
Shared: Horror · Dark · Gore

Resident Evil 7 Biohazard
Shared: Horror · Gore · Atmospheric

Manhunt
Shared: Gore · Horror · Psychological Horror

Resident Evil Village
Shared: Horror · Gore · FPS

Still Wakes the Deep
Shared: Horror · Gore · Psychological Horror

People Playground
Shared: Gore · Sandbox · Violent

FAITH: The Unholy Trinity
Shared: Horror · Psychological Horror · Dark

F.E.A.R.
Shared: Horror · FPS · Gore

Little Nightmares
Shared: Horror · Atmospheric · Dark

Blood Trail
Shared: Gore · Horror · Sandbox

Little Nightmares II
Shared: Horror · Dark · Psychological Horror

Trepang2
Shared: Horror · Gore · FPS

Fran Bow
Shared: Psychological Horror · Horror · Dark

Dead by Daylight
Shared: Horror · Gore · Psychological Horror

The Darkness II
Shared: Gore · FPS · Dark