Games like Bottle: Pilgrim Redux
Games like Bottle: Pilgrim Redux include Firewatch, What Remains of Edith Finch, Journey, The Beginner's Guide, and Outer Wilds. We matched them by the tags players give Bottle: Pilgrim Redux on Steam (Adventure, Casual, Walking Simulator, Atmospheric, and First-Person): closest matches first, and among equally close ones the better-known games.

Firewatch
Shared: Adventure · Atmospheric · Walking Simulator

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

Journey
Shared: Adventure · Atmospheric · Exploration

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

Outer Wilds
Shared: Adventure · Exploration · Atmospheric

GRIS
Shared: Atmospheric · Adventure · Great Soundtrack

ABZU
Shared: Atmospheric · Adventure · Exploration

Gone Home
Shared: Walking Simulator · Atmospheric · Exploration

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

Ori and the Will of the Wisps
Shared: Adventure · Singleplayer · Atmospheric

Fallout 4
Shared: Adventure · Exploration · Singleplayer

Slime Rancher
Shared: Adventure · Exploration · First-Person

Riven
Shared: Adventure · First-Person · Exploration

Valley
Shared: Adventure · First-Person · Exploration

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

The Witness
Shared: First-Person · Exploration · Singleplayer

The Long Dark
Shared: Atmospheric · Adventure · Exploration

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

Brothers - A Tale of Two Sons
Shared: Adventure · Atmospheric · Indie

Hollow Knight: Silksong
Shared: Great Soundtrack · Indie · Adventure

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

INFRA
Shared: Atmospheric · Adventure · Exploration

Stray
Shared: Adventure · Atmospheric · Singleplayer

Spirit of the North
Shared: Adventure · Atmospheric · Casual