Games like 街灯 -machinohi-
Games like 街灯 -machinohi- include Layers of Fear (2016), Mouthwashing, MiSide, Firewatch, and The Cabin Factory. We matched them by the tags players give 街灯 -machinohi- on Steam (Horror, Psychological Horror, Walking Simulator, Adventure, and Realistic): closest matches first, and among equally close ones the better-known games.

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

Mouthwashing
Shared: Horror · Psychological Horror · Walking Simulator

MiSide
Shared: Psychological Horror · Horror · Singleplayer

Firewatch
Shared: Adventure · Walking Simulator · Atmospheric

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

Poppy Playtime
Shared: Horror · Psychological Horror · Singleplayer

Outlast
Shared: Horror · Psychological Horror · Atmospheric

SILENT HILL 2
Shared: Horror · Psychological Horror · Psychological

Ready or Not
Shared: Realistic · Horror · Psychological Horror

Visage
Shared: Horror · Psychological Horror · Adventure

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

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

Welcome to Kowloon
Shared: Horror · Psychological Horror · Adventure

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

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

SOMA
Shared: Horror · Psychological Horror · Atmospheric

Blair Witch
Shared: Horror · Psychological Horror · Adventure

KARMA: The Dark World
Shared: Psychological Horror · Horror · Walking Simulator

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

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

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

Garten of Banban
Shared: Horror · Psychological Horror · Singleplayer

Little Nightmares II
Shared: Horror · Adventure · Psychological Horror

Subliminal
Shared: Psychological Horror · Realistic · Horror