Games like Nephise
Games like Nephise include Firewatch, What Remains of Edith Finch, The Witness, Outer Wilds, and Journey. We matched them by the tags players give Nephise on Steam (Adventure, Indie, Walking Simulator, Casual, and Puzzle): closest matches first, and among equally close ones the better-known games.

Firewatch
Shared: Adventure · Walking Simulator · Atmospheric

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

The Witness
Shared: Puzzle · Exploration · Indie

Outer Wilds
Shared: Adventure · Exploration · Mystery

Journey
Shared: Adventure · Indie · Atmospheric

Gone Home
Shared: Walking Simulator · Indie · Exploration

The Room
Shared: Puzzle · Adventure · Indie

GRIS
Shared: Indie · Adventure · Atmospheric

ABZU
Shared: Adventure · Exploration · Atmospheric

A Short Hike
Shared: Adventure · Indie · Exploration

INFRA
Shared: Puzzle · Adventure · Exploration

Call of the Sea
Shared: Adventure · Puzzle · Indie

Obduction
Shared: Adventure · Indie · Puzzle

AER Memories of Old
Shared: Adventure · Indie · Exploration

Everybody's Gone to the Rapture
Shared: Walking Simulator · Indie · Adventure

Riven
Shared: Adventure · Puzzle · Exploration

The Beginner's Guide
Shared: Indie · Walking Simulator · Adventure

Gorogoa
Shared: Indie · Puzzle · Casual

FEZ
Shared: Indie · Puzzle · Adventure

Big Walk
Shared: Adventure · Puzzle · Exploration

NaissanceE
Shared: Indie · Exploration · Walking Simulator

Quern - Undying Thoughts
Shared: Adventure · Puzzle · Walking Simulator

A Story About My Uncle
Shared: Adventure · Indie · First-Person

Return of the Obra Dinn
Shared: Puzzle · Indie · Mystery