Games like Night Record: Thin Walls
Games like Night Record: Thin Walls include Firewatch, What Remains of Edith Finch, Mouthwashing, Layers of Fear (2016), and MiSide. We matched them by the tags players give Night Record: Thin Walls on Steam (Psychological Horror, Horror, Story Rich, Walking Simulator, and Atmospheric): closest matches first, and among equally close ones the better-known games.

Firewatch
Shared: Story Rich · Atmospheric · Walking Simulator

What Remains of Edith Finch
Shared: Story Rich · Walking Simulator · Atmospheric

Mouthwashing
Shared: Psychological Horror · Horror · Story Rich

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

MiSide
Shared: Psychological Horror · Story Rich · Horror

SOMA
Shared: Psychological Horror · Horror · Story Rich

Amnesia: A Machine For Pigs
Shared: Horror · Story Rich · Walking Simulator

Fears to Fathom - Ironbark Lookout
Shared: Psychological Horror · Horror · Atmospheric

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

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

Summer of '58
Shared: Horror · Psychological Horror · Atmospheric

DON'T SCREAM
Shared: Psychological Horror · Horror · Atmospheric

Fears to Fathom - Woodbury Getaway
Shared: Psychological Horror · Horror · Atmospheric

The Park®
Shared: Psychological Horror · Horror · Walking Simulator

Outer Wilds
Shared: Story Rich · Exploration · Atmospheric

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

The Exit 8
Shared: Horror · Walking Simulator · Psychological Horror

The Complex: Expedition
Shared: Horror · Psychological Horror · Story Rich

SILENT HILL 2
Shared: Psychological Horror · Horror · Story Rich

Lethal Company
Shared: Horror · Psychological Horror · First-Person

Sally Face - Episode One
Shared: Psychological Horror · Story Rich · Horror

Outlast
Shared: Horror · Psychological Horror · Atmospheric

The Cabin Factory
Shared: Psychological Horror · Horror · Walking Simulator

Visage
Shared: Psychological Horror · Horror · First-Person