Games like 隔離病院
Games like 隔離病院 include Firewatch, What Remains of Edith Finch, The Death | Thần Trùng, The Exit 8, and Poppy Playtime. We matched them by the tags players give 隔離病院 on Steam (Adventure, Casual, Walking Simulator, 3D, and Horror): closest matches first, and among equally close ones the better-known games.

Firewatch
Shared: Adventure · Walking Simulator · Singleplayer

What Remains of Edith Finch
Shared: Walking Simulator · Adventure · Singleplayer

The Death | Thần Trùng
Shared: Adventure · Horror · Casual

The Exit 8
Shared: Walking Simulator · Horror · Puzzle

Poppy Playtime
Shared: Horror · Singleplayer · Puzzle

Layers of Fear (2016)
Shared: Horror · Walking Simulator · Adventure

Outer Wilds
Shared: Adventure · Exploration · Puzzle

Riven
Shared: Adventure · Puzzle · Singleplayer

Scanner Sombre
Shared: Walking Simulator · Adventure · Horror

Garten of Banban
Shared: Horror · Singleplayer · 3D

The Room 4: Old Sins
Shared: Adventure · Puzzle · Singleplayer

The Room
Shared: Adventure · Puzzle · Singleplayer

Fears to Fathom - Woodbury Getaway
Shared: Adventure · Casual · Horror

Five Nights at Freddy's: Security Breach
Shared: Horror · Singleplayer · Adventure

Amnesia: A Machine For Pigs
Shared: Walking Simulator · Horror · Adventure

Escape the Backrooms
Shared: Horror · Adventure · 3D

Quern - Undying Thoughts
Shared: Adventure · Walking Simulator · Puzzle

INFRA
Shared: Adventure · Walking Simulator · Puzzle

MiSide
Shared: Horror · 3D · Singleplayer

Blue Prince
Shared: Puzzle · Exploration · Singleplayer

The Witness
Shared: Puzzle · Exploration · Singleplayer

The Painscreek Killings
Shared: Horror · Puzzle · Exploration

Inside the Backrooms
Shared: Horror · Adventure · Puzzle

Fears to Fathom® - Scratch Creek
Shared: Adventure · Horror · Casual