Games like The Shadow Over Route 80
Games like The Shadow Over Route 80 include Firewatch, What Remains of Edith Finch, PEAK, Scanner Sombre, and The Exit 8. We matched them by the tags players give The Shadow Over Route 80 on Steam (Adventure, Walking Simulator, Exploration, Hidden Object, and 3D): closest matches first, and among equally close ones the better-known games.

Firewatch
Shared: Adventure · Walking Simulator · Exploration

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

PEAK
Shared: Adventure · Exploration · First-Person

Scanner Sombre
Shared: Walking Simulator · Exploration · Adventure

The Exit 8
Shared: Exploration · Walking Simulator · First-Person

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

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

Outer Wilds
Shared: Exploration · Adventure · Atmospheric

Journey
Shared: Adventure · Exploration · Walking Simulator

DREDGE
Shared: Exploration · Adventure · Atmospheric

CARIMARA: Beneath the forlorn limbs
Shared: Adventure · Exploration · 3D

The Room 4: Old Sins
Shared: Adventure · Hidden Object · Exploration

Platform 8
Shared: Adventure · Walking Simulator · Hidden Object

POOLS
Shared: Walking Simulator · Exploration · First-Person

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

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

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

INFRA
Shared: Exploration · Walking Simulator · Adventure

Bad Parenting 1: Mr. Red Face
Shared: Adventure · Walking Simulator · 3D

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

Still Wakes the Deep
Shared: Walking Simulator · First-Person · Adventure

NaissanceE
Shared: Exploration · Walking Simulator · Adventure

Cairn
Shared: Exploration · Adventure · Stylized

Five Nights at Freddy's: Secret of the Mimic
Shared: Adventure · First-Person · Exploration