Games like Chiaroscuro Imago
Games like Chiaroscuro Imago include Firewatch, Mouthwashing, Gone Home, The Beginner's Guide, and What Remains of Edith Finch. We matched them by the tags players give Chiaroscuro Imago on Steam (Horror, Surreal, Walking Simulator, Narrative, and Short): closest matches first, and among equally close ones the better-known games.

Firewatch
Shared: Walking Simulator · Atmospheric · First-Person

Mouthwashing
Shared: Horror · Walking Simulator · Atmospheric

Gone Home
Shared: Walking Simulator · Short · First-Person

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

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

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

The Exit 8
Shared: Horror · Walking Simulator · Surreal

Amnesia: A Machine For Pigs
Shared: Horror · Walking Simulator · First-Person

RATSHAKER™
Shared: Horror · Surreal · First-Person

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

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

Garten of Banban
Shared: Horror · First-Person · Singleplayer

The Park®
Shared: Horror · Walking Simulator · First-Person

Still Wakes the Deep
Shared: Horror · Walking Simulator · First-Person

Five Nights at Freddy's: Security Breach
Shared: Horror · Singleplayer · First-Person

SOMA
Shared: Horror · Atmospheric · First-Person

Outlast
Shared: Horror · First-Person · Atmospheric

MiSide
Shared: Horror · First-Person · Singleplayer

NaissanceE
Shared: Walking Simulator · Surreal · First-Person

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

Among the Sleep - Enhanced Edition
Shared: Horror · Walking Simulator · First-Person

Before Your Eyes
Shared: Narrative · First-Person · Walking Simulator

[Chillas Art] The Convenience Store
Shared: Horror · Walking Simulator · Surreal

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