Games like Backrooms: Forgotten Floors
Games like Backrooms: Forgotten Floors include Lethal Company, Inside the Backrooms, The Exit 8, The Outlast Trials, and Deep Rock Galactic. We matched them by the tags players give Backrooms: Forgotten Floors on Steam (Exploration, FPS, Collectathon, Stealth, and PvE): closest matches first, and among equally close ones the better-known games.

Lethal Company
Shared: Exploration · First-Person · Horror

Inside the Backrooms
Shared: Exploration · Puzzle · Horror

The Exit 8
Shared: Exploration · Puzzle · Walking Simulator

The Outlast Trials
Shared: PvE · Stealth · Horror

Deep Rock Galactic
Shared: FPS · PvE · Exploration

Subnautica 2
Shared: Exploration · Survival · Horror

Species: Unknown
Shared: Exploration · Horror · First-Person

The Forest
Shared: Survival · Exploration · Horror

Metro Exodus
Shared: FPS · Survival · First-Person

The Long Dark
Shared: Exploration · Survival · First-Person

Escape the Backrooms
Shared: Exploration · Horror · Psychological Horror

Outlast
Shared: First-Person · Horror · Survival

Far Cry® 5
Shared: FPS · Exploration · Stealth

Platform 8
Shared: Exploration · Walking Simulator · Puzzle

Hello Neighbor
Shared: Stealth · Horror · First-Person

SOMA
Shared: Exploration · Horror · Psychological Horror

Dying Light
Shared: Horror · Survival · FPS

Subnautica
Shared: Exploration · Survival · Horror

Scanner Sombre
Shared: Exploration · Walking Simulator · Horror

Into the Radius VR
Shared: FPS · PvE · Survival

R.E.P.O.
Shared: Horror · Stealth · First-Person

S.T.A.L.K.E.R. 2: Heart of Chornobyl - Standard Edition
Shared: FPS · Exploration · Survival

theHunter: Call of the Wild™
Shared: FPS · Stealth · Survival

PANICORE
Shared: Horror · PvE · Stealth