Games like Shhh!
Games like Shhh! include Firewatch, The Forest, The Exit 8, [Chillas Art] The Convenience Store, and The Complex: Expedition. We matched them by the tags players give Shhh! on Steam (Adventure, Action, Simulation, Walking Simulator, and Exploration): closest matches first, and among equally close ones the better-known games.

Firewatch
Shared: Adventure · Walking Simulator · Exploration

The Forest
Shared: Adventure · Action · Horror

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

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

The Complex: Expedition
Shared: Exploration · Action · Adventure

Millennium Dream
Shared: Adventure · Walking Simulator · Exploration

Platform 8
Shared: Adventure · Simulation · Walking Simulator

Scanner Sombre
Shared: Walking Simulator · Adventure · Exploration

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

Slime Rancher
Shared: Adventure · Exploration · Simulation

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

The Beast Inside
Shared: Adventure · Action · Horror

The Long Dark
Shared: Exploration · Adventure · Simulation

Crime Scene Cleaner
Shared: Simulation · Action · First-Person

DEATH STRANDING DIRECTOR'S CUT
Shared: Walking Simulator · Adventure · Cinematic

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

A Plague Tale: Requiem
Shared: Adventure · Action · Exploration

Valley
Shared: Adventure · Exploration · Action

Fears to Fathom - Woodbury Getaway
Shared: Adventure · Walking Simulator · First-Person

Cairn
Shared: Adventure · Exploration · Stylized

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

SnowRunner
Shared: Simulation · Adventure · Exploration

Thief Simulator 2
Shared: Simulation · Action · Adventure

Internet Cafe Simulator 2
Shared: Simulation · Exploration · First-Person