Games like Backrooms: Found Footage
Games like Backrooms: Found Footage include Firewatch, Poppy Playtime, Outer Wilds, What Remains of Edith Finch, and PEAK. We matched them by the tags players give Backrooms: Found Footage on Steam (Adventure, Exploration, 3D, First-Person, and Realistic): closest matches first, and among equally close ones the better-known games.

Firewatch
Shared: Adventure · Atmospheric · First-Person

Poppy Playtime
Shared: Horror · First-Person · Free to Play

Outer Wilds
Shared: Exploration · Adventure · Atmospheric

What Remains of Edith Finch
Shared: Exploration · Adventure · First-Person

PEAK
Shared: Adventure · Exploration · First-Person

SOMA
Shared: Horror · Atmospheric · Exploration

Escape the Backrooms
Shared: Horror · First-Person · Exploration

Inside the Backrooms
Shared: Horror · Adventure · Exploration

Five Nights at Freddy's: Security Breach
Shared: Horror · First-Person · Exploration

Lethal Company
Shared: First-Person · Horror · Exploration

Subliminal
Shared: Realistic · Atmospheric · First-Person

Outlast
Shared: First-Person · Horror · Atmospheric

The Forest
Shared: Adventure · Horror · First-Person

Backrooms: Escape Together
Shared: Horror · First-Person · Atmospheric

MiSide
Shared: First-Person · Horror · 3D

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

Subnautica 2
Shared: Exploration · Horror · Adventure

Visage
Shared: Horror · First-Person · Adventure

Amanda the Adventurer
Shared: First-Person · Horror · Adventure

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

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

We Were Here
Shared: Adventure · Free to Play · Horror

SILENT HILL: Townfall
Shared: Adventure · Horror · First-Person

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