Games like In The Backrooms
Games like In The Backrooms include Outlast, Resident Evil Requiem, The Forest, Pacify, and Darkwood. We matched them by the tags players give In The Backrooms on Steam (Horror, Action, Supernatural, Psychological Horror, and Cinematic): closest matches first, and among equally close ones the better-known games.

Outlast
Shared: Horror · Psychological Horror · First-Person

Resident Evil Requiem
Shared: Horror · Action · Action-Adventure

The Forest
Shared: Horror · Action · First-Person

Pacify
Shared: Horror · Psychological Horror · Supernatural

Darkwood
Shared: Horror · Action · Psychological Horror

The Outlast Trials
Shared: Horror · Psychological Horror · Action

Lethal Company
Shared: Horror · Psychological Horror · First-Person

Phasmophobia
Shared: Horror · Psychological Horror · Supernatural

Total Chaos
Shared: Action · Horror · Psychological Horror

SILENT HILL: Townfall
Shared: Horror · Action · Psychological Horror

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

Resident Evil 4
Shared: Horror · Action · Cinematic

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

SILENT HILL f
Shared: Horror · Psychological Horror · Action

SOMA
Shared: Horror · Psychological Horror · Atmospheric

Zort
Shared: Horror · Psychological Horror · Action

Poppy Playtime
Shared: Horror · Psychological Horror · First-Person

Resident Evil 7 Biohazard
Shared: Horror · First-Person · Action

Outlast 2
Shared: Horror · Psychological Horror · First-Person

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

Ghostwire: Tokyo
Shared: Supernatural · Horror · Action

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

The Complex: Expedition
Shared: Horror · Psychological Horror · Action

Resident Evil Village
Shared: Horror · Action · First-Person