Games like Off-Peak
Games like Off-Peak include Firewatch, Layers of Fear (2016), What Remains of Edith Finch, The Beginner's Guide, and Poppy Playtime. We matched them by the tags players give Off-Peak on Steam (Free to Play, Surreal, Indie, Walking Simulator, and Adventure): closest matches first, and among equally close ones the better-known games.
Firewatch
Shared: Adventure · Walking Simulator · Atmospheric
Layers of Fear (2016)
Shared: Walking Simulator · Horror · Indie
What Remains of Edith Finch
Shared: Walking Simulator · Atmospheric · Adventure
The Beginner's Guide
Shared: Indie · Walking Simulator · First-Person
Poppy Playtime
Shared: Free to Play · Horror · First-Person
NaissanceE
Shared: Indie · Walking Simulator · Surreal
Gone Home
Shared: Walking Simulator · Indie · First-Person
Samsara Room
Shared: Indie · Free to Play · Adventure
Dark Deception
Shared: Free to Play · Horror · First-Person
Journey
Shared: Indie · Adventure · Atmospheric
Outlast
Shared: First-Person · Horror · Atmospheric
Jazzpunk: Director's Cut
Shared: Surreal · Indie · Adventure
Visage
Shared: Horror · First-Person · Indie
The Stanley Parable
Shared: Indie · Walking Simulator · First-Person
Antichamber
Shared: Indie · Surreal · First-Person
Outer Wilds
Shared: Adventure · Great Soundtrack · Exploration
Valley
Shared: Adventure · Indie · First-Person
Dark Fracture: Prologue
Shared: Adventure · Free to Play · Indie
Amnesia: A Machine For Pigs
Shared: Walking Simulator · Horror · First-Person
Mouthwashing
Shared: Indie · Horror · Walking Simulator
Broken Reality
Shared: Indie · Surreal · Adventure
[Chillas Art] The Convenience Store
Shared: Indie · Adventure · Horror
The Park®
Shared: Walking Simulator · Horror · First-Person
Among the Sleep - Enhanced Edition
Shared: Indie · Adventure · Horror