Games like Backrooms: The Labyrinth
Games like Backrooms: The Labyrinth include A Plague Tale: Requiem, Five Nights at Freddy's: Secret of the Mimic, Crimson Desert Enhanced, The Forest, and SILENT HILL: Townfall. We matched them by the tags players give Backrooms: The Labyrinth on Steam (Action, Adventure, Simulation, Action-Adventure, and Interactive Fiction): closest matches first, and among equally close ones the better-known games.

A Plague Tale: Requiem
Shared: Action · Adventure · Action-Adventure

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

Crimson Desert Enhanced
Shared: Action · Adventure · Exploration

The Forest
Shared: Adventure · Action · First-Person

SILENT HILL: Townfall
Shared: Adventure · Action · Action-Adventure

Five Nights at Freddy's: Security Breach
Shared: Adventure · First-Person · Action

Contraband Police
Shared: Simulation · Action · First-Person

Rise of the Tomb Raider™
Shared: Action · Adventure · Action-Adventure

Resident Evil Requiem
Shared: Action · Action-Adventure · First-Person

Killer Frequency
Shared: Adventure · Interactive Fiction · Simulation

鬼谷八荒 Tale of Immortal
Shared: Simulation · Action · Adventure

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

Tomb Raider Game of the Year
Shared: Action · Adventure · Action-Adventure

Atomic Heart
Shared: Adventure · Action · Action-Adventure

Far Cry® 5
Shared: Action-Adventure · Exploration · Action

PEAK
Shared: Adventure · Exploration · First-Person

Thief Simulator
Shared: Simulation · Adventure · Action

Road 96
Shared: Adventure · First-Person · Choose Your Own Adventure

Slime Rancher
Shared: Adventure · Exploration · Simulation

The Complex: Expedition
Shared: Action · Exploration · Adventure

Internet Cafe Simulator 2
Shared: Simulation · Exploration · 3D

Indiana Jones and the Great Circle
Shared: Action-Adventure · Adventure · First-Person

Kena: Bridge of Spirits
Shared: Action · Adventure · Action-Adventure

Crime Scene Cleaner
Shared: Simulation · Action · First-Person