Games like Bottle (2016)
Games like Bottle (2016) include Firewatch, What Remains of Edith Finch, Journey, ABZU, and The Witness. We matched them by the tags players give Bottle (2016) on Steam (Adventure, Casual, Walking Simulator, First-Person, and Atmospheric): 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 · Atmospheric · Adventure

Journey
Shared: Adventure · Atmospheric · Walking Simulator

ABZU
Shared: Atmospheric · Adventure · Relaxing

The Witness
Shared: First-Person · Exploration · Singleplayer

Outer Wilds
Shared: Adventure · Exploration · Atmospheric

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

A Short Hike
Shared: Adventure · Exploration · Casual

Slime Rancher
Shared: Adventure · Exploration · First-Person

The Long Dark
Shared: Adventure · Atmospheric · First-Person

Fallout 4
Shared: Adventure · Singleplayer · Exploration

GRIS
Shared: Atmospheric · Adventure · Indie

The First Tree
Shared: Adventure · Walking Simulator · Atmospheric

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

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

Valley
Shared: Adventure · First-Person · Exploration

The Room
Shared: Adventure · Atmospheric · Singleplayer

Slime Rancher 2
Shared: Singleplayer · Adventure · First-Person

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

Riven
Shared: Adventure · First-Person · Exploration

INFRA
Shared: Adventure · First-Person · Walking Simulator

Proteus
Shared: Walking Simulator · Casual · Exploration

AER Memories of Old
Shared: Adventure · Exploration · Atmospheric

The Vanishing of Ethan Carter
Shared: Walking Simulator · Atmospheric · Adventure