Games like The Quiet Apocalypse
Games like The Quiet Apocalypse include Firewatch, Fallout 4, What Remains of Edith Finch, Fallout: New Vegas, and Outer Wilds. We matched them by the tags players give The Quiet Apocalypse on Steam (Adventure, Walking Simulator, Open World, Exploration, and First-Person): closest matches first, and among equally close ones the better-known games.

Firewatch
Shared: Adventure · Walking Simulator · Story Rich

Fallout 4
Shared: Open World · Adventure · Exploration

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

Fallout: New Vegas
Shared: Open World · Post-apocalyptic · Exploration

Outer Wilds
Shared: Exploration · Adventure · Story Rich

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

The Long Dark
Shared: Open World · Exploration · Adventure

Metro Exodus
Shared: Open World · Post-apocalyptic · Story Rich

The Witness
Shared: Exploration · Open World · First-Person

S.T.A.L.K.E.R. 2: Heart of Chornobyl - Standard Edition
Shared: Open World · Post-apocalyptic · Exploration

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

Amnesia: A Machine For Pigs
Shared: Walking Simulator · First-Person · Story Rich

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

Cairn
Shared: Exploration · Adventure · Stylized

INFRA
Shared: Exploration · Walking Simulator · Adventure

DREDGE
Shared: Exploration · Adventure · Open World

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

Fallout 3
Shared: Open World · Post-apocalyptic · Exploration

Slime Rancher
Shared: Adventure · Exploration · Open World

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

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

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

Hogwarts Legacy
Shared: Open World · Adventure · Exploration

Valley
Shared: Adventure · Exploration · First-Person