Games like Lost Hope: Backrooms
Games like Lost Hope: Backrooms include Escape the Backrooms, Lethal Company, Five Nights at Freddy's: Security Breach, The Forest, and Outlast. We matched them by the tags players give Lost Hope: Backrooms on Steam (Horror, First-Person, Survival Horror, Adventure, and Psychological Horror): closest matches first, and among equally close ones the better-known games.

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

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

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

The Forest
Shared: Horror · Adventure · Survival Horror

Outlast
Shared: Horror · First-Person · Survival Horror

Subnautica 2
Shared: Horror · Survival Horror · First-Person

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

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

The Outlast Trials
Shared: Horror · Survival Horror · First-Person

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

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

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

Pacify
Shared: Horror · Survival Horror · Psychological Horror

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

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

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

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

Darkwood
Shared: Horror · Survival Horror · Adventure

Dying Light
Shared: Horror · Survival Horror · First-Person

Dead by Daylight
Shared: Horror · Survival Horror · First-Person

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

Hello Neighbor
Shared: Horror · First-Person · Survival Horror

Bendy and the Dark Revival
Shared: Horror · First-Person · Survival Horror

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