Games like Shotengai 10
Games like Shotengai 10 include Platform 8, Dollmare, The Cabin Factory, POOLS, and The Stanley Parable. We matched them by the tags players give Shotengai 10 on Steam (Adventure, Simulation, Walking Simulator, Hidden Object, and 3D): closest matches first, and among equally close ones the better-known games.

Platform 8
Shared: Adventure · Walking Simulator · Simulation

Dollmare
Shared: Simulation · 3D · First-Person

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

POOLS
Shared: Walking Simulator · Psychological Horror · Realistic

The Stanley Parable
Shared: Walking Simulator · First-Person · Adventure

Firewatch
Shared: Adventure · Walking Simulator · First-Person

Totally Accurate Battle Simulator
Shared: Simulation · Adventure · Realistic

The Exit 8
Shared: Walking Simulator · First-Person · 3D

Who's at the door?
Shared: Adventure · Simulation · Walking Simulator

SchoolBoy Runaway
Shared: Adventure · Simulation · First-Person

MiSide
Shared: Psychological Horror · First-Person · 3D

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

Quarantine Zone: The Last Check
Shared: Simulation · First-Person · 3D

There Exists Nobody
Shared: Walking Simulator · Adventure · 3D

Contraband Police
Shared: Simulation · First-Person · Realistic

What Remains of Edith Finch
Shared: Walking Simulator · Adventure · First-Person

The Beginner's Guide
Shared: Walking Simulator · Adventure · First-Person

The Death | Thần Trùng
Shared: Adventure · Psychological Horror · Walking Simulator

Scanner Sombre
Shared: Walking Simulator · Adventure · First-Person

Welcome to Kowloon
Shared: Adventure · Walking Simulator · First-Person

Thief Simulator
Shared: Simulation · Adventure · First-Person

Visage
Shared: Adventure · Psychological Horror · First-Person

Layers of Fear (2016)
Shared: Walking Simulator · Adventure · First-Person

Killer Frequency
Shared: Adventure · Simulation · Walking Simulator