Games like ExitApartment
Games like ExitApartment include The Exit 8, Scanner Sombre, Escape the Backrooms, Firewatch, and Layers of Fear (2016). We matched them by the tags players give ExitApartment on Steam (Adventure, Walking Simulator, Exploration, 3D, and Horror): closest matches first, and among equally close ones the better-known games.

The Exit 8
Shared: Exploration · Walking Simulator · Horror

Scanner Sombre
Shared: Walking Simulator · Exploration · Adventure

Escape the Backrooms
Shared: Horror · Psychological Horror · Adventure

Firewatch
Shared: Adventure · Walking Simulator · Exploration

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

Bad Parenting 1: Mr. Red Face
Shared: Adventure · Walking Simulator · Horror

Platform 8
Shared: Adventure · Walking Simulator · Psychological Horror

[Chillas Art] The Convenience Store
Shared: Adventure · Horror · Psychological Horror

September 7th
Shared: Walking Simulator · Exploration · Horror

Psalm 5:9-13
Shared: Exploration · Horror · Psychological Horror

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

POOLS
Shared: Walking Simulator · Psychological Horror · Exploration

Don't Play This
Shared: Exploration · Horror · Psychological Horror

Visage
Shared: Horror · Psychological Horror · Adventure

MiSide
Shared: Psychological Horror · Horror · 3D

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

Dreamcore
Shared: Walking Simulator · Exploration · Psychological Horror

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

DREDGE
Shared: Exploration · Adventure · Psychological Horror

Mouthwashing
Shared: Horror · Psychological Horror · Walking Simulator

Rise of Insanity
Shared: Adventure · Horror · Walking Simulator

Still Wakes the Deep
Shared: Horror · Walking Simulator · Psychological Horror

Layers of Fear 2 (2019)
Shared: Walking Simulator · Horror · Psychological Horror

Outer Wilds
Shared: Exploration · Adventure · Indie