Games like Light the Backrooms
Games like Light the Backrooms include Outlast, The Outlast Trials, Amnesia: The Bunker, Lethal Company, and Resident Evil 7 Biohazard. We matched them by the tags players give Light the Backrooms on Steam (Action, Survival Horror, 3D Platformer, Psychological Horror, and Immersive Sim): closest matches first, and among equally close ones the better-known games.

Outlast
Shared: Survival Horror · Horror · Psychological Horror

The Outlast Trials
Shared: Survival Horror · Horror · Psychological Horror

Amnesia: The Bunker
Shared: Survival Horror · Horror · Immersive Sim

Lethal Company
Shared: Survival Horror · Horror · Psychological Horror

Resident Evil 7 Biohazard
Shared: Survival Horror · Horror · Action

Outlast 2
Shared: Survival Horror · Psychological Horror · Horror

Dead by Daylight
Shared: Survival Horror · Horror · Action

Resident Evil Village
Shared: Survival Horror · Action · Horror

Escape the Backrooms
Shared: Horror · Psychological Horror · Survival Horror

Alien: Isolation
Shared: Survival Horror · Horror · Atmospheric

Poppy Playtime
Shared: Horror · Survival Horror · Psychological Horror

Backrooms: Escape Together
Shared: Survival Horror · Psychological Horror · Horror

The Forest
Shared: Horror · Survival Horror · Action

Hello Neighbor
Shared: Horror · Survival Horror · 3D Platformer

Gorilla Tag
Shared: Psychological Horror · Action · 3D Platformer

Darkwood
Shared: Survival Horror · Action · Horror

Five Nights at Freddy's: Security Breach
Shared: Survival Horror · Horror · Action

The Beast Inside
Shared: Survival Horror · Action · Horror

Resident Evil Requiem
Shared: Survival Horror · Action · Horror

Granny Remake
Shared: Survival Horror · Action · Horror

The Evil Within 2
Shared: Survival Horror · Psychological Horror · Action

Amnesia: The Dark Descent
Shared: Survival Horror · Psychological Horror · Horror

Five Nights at Freddy's
Shared: Survival Horror · Horror · Psychological Horror

METRO 2033 Redux
Shared: Action · Horror · Atmospheric