Games like Backrooms Insane
Games like Backrooms Insane include Outlast, Resident Evil 7 Biohazard, Poppy Playtime, SOMA, and Lethal Company. We matched them by the tags players give Backrooms Insane on Steam (Horror, Psychological Horror, Survival Horror, First-Person, and Atmospheric): closest matches first, and among equally close ones the better-known games.

Outlast
Shared: Horror · Survival Horror · First-Person

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

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

SOMA
Shared: Horror · Psychological Horror · Atmospheric

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

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

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

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

Outlast 2
Shared: Horror · Psychological Horror · Survival Horror

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

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

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

Alien: Isolation
Shared: Horror · Survival Horror · Atmospheric

The Forest
Shared: Horror · Survival Horror · First-Person

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

Amnesia: The Bunker
Shared: Horror · Survival Horror · Atmospheric

Little Nightmares
Shared: Horror · Atmospheric · Singleplayer

Visage
Shared: Horror · Psychological Horror · Survival Horror

The Beast Inside
Shared: Horror · Survival Horror · First-Person

SILENT HILL 2
Shared: Horror · Psychological Horror · Survival Horror

Garten of Banban
Shared: Horror · Psychological Horror · First-Person

Darkwood
Shared: Horror · Survival Horror · Psychological Horror

Little Nightmares II
Shared: Horror · Psychological Horror · Singleplayer

Amnesia: Rebirth
Shared: First-Person · Horror · Puzzle