Games like Altitude's Toll
Games like Altitude's Toll include Firewatch, What Remains of Edith Finch, Outer Wilds, Fallout 4, and DEATH STRANDING DIRECTOR'S CUT. We matched them by the tags players give Altitude's Toll on Steam (Adventure, Atmospheric, Walking Simulator, Mystery, and Exploration): closest matches first, and among equally close ones the better-known games.

Firewatch
Shared: Adventure · Atmospheric · Walking Simulator

What Remains of Edith Finch
Shared: Atmospheric · Walking Simulator · Story Rich

Outer Wilds
Shared: Adventure · Exploration · Mystery

Fallout 4
Shared: Adventure · Exploration · Atmospheric

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

The Witness
Shared: Exploration · Atmospheric · Open World

The Witcher 3: Wild Hunt — Remastered
Shared: Atmospheric · Adventure · Story Rich

Quern - Undying Thoughts
Shared: Adventure · Atmospheric · Mystery

The Long Dark
Shared: Atmospheric · Exploration · Adventure

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

Slime Rancher
Shared: Adventure · Exploration · Open World

The Suicide of Rachel Foster
Shared: Walking Simulator · Atmospheric · Adventure

Fallout: New Vegas
Shared: Open World · Story Rich · Exploration

DREDGE
Shared: Adventure · Exploration · Atmospheric

INFRA
Shared: Atmospheric · Exploration · Adventure

Amnesia: A Machine For Pigs
Shared: Walking Simulator · Atmospheric · Story Rich

Gone Home
Shared: Walking Simulator · Atmospheric · Exploration

Red Dead Redemption 2
Shared: Adventure · Story Rich · Open World

The First Tree
Shared: Adventure · Atmospheric · Walking Simulator

Hogwarts Legacy
Shared: Adventure · Open World · Exploration

Night in the Woods
Shared: Adventure · Atmospheric · Story Rich

The Forgotten City
Shared: Adventure · Mystery · Exploration

Blue Prince
Shared: Mystery · Exploration · Adventure

The Painscreek Killings
Shared: Mystery · Exploration · Atmospheric