Games like 6年1組
Games like 6年1組 include Platform 8, Firewatch, The Exit 8, [Chillas Art] The Closing Shift, and Internet Cafe Simulator 2. We matched them by the tags players give 6年1組 on Steam (Adventure, Simulation, Walking Simulator, Mystery Dungeon, and Hidden Object): closest matches first, and among equally close ones the better-known games.

Platform 8
Shared: Adventure · Walking Simulator · Simulation

Firewatch
Shared: Adventure · Walking Simulator · Exploration

The Exit 8
Shared: Walking Simulator · Exploration · Immersive Sim

[Chillas Art] The Closing Shift
Shared: Adventure · Simulation · Immersive Sim

Internet Cafe Simulator 2
Shared: Simulation · Exploration · 3D

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

Five Nights at Freddy's: Security Breach
Shared: Adventure · Exploration · First-Person

The Forest
Shared: Adventure · Exploration · First-Person

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

[Chillas Art] The Convenience Store
Shared: Adventure · Simulation · Walking Simulator

Escape the Backrooms
Shared: Adventure · Exploration · First-Person

The Cabin Factory
Shared: Walking Simulator · Adventure · Immersive Sim

Slime Rancher
Shared: Adventure · Exploration · Simulation

The Complex: Expedition
Shared: Exploration · Adventure · Realistic

Scanner Sombre
Shared: Walking Simulator · Adventure · Exploration

[Chillas Art] Stigmatized Property
Shared: Adventure · Simulation · Walking Simulator

The Long Dark
Shared: Adventure · Exploration · Simulation

Five Nights at Freddy's: Secret of the Mimic
Shared: Adventure · First-Person · Exploration

The Beast Inside
Shared: Adventure · First-Person · Survival Horror

SnowRunner
Shared: Simulation · Adventure · Exploration

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

Millennium Dream
Shared: Adventure · Walking Simulator · Exploration

PEAK
Shared: Adventure · Exploration · First-Person

Dollmare
Shared: Simulation · Walking Simulator · 3D