Games like Backrooms: Collision Not Found
Games like Backrooms: Collision Not Found include Escape the Backrooms, Backrooms: Escape Together, Pacify, Lethal Company, and Phasmophobia. We matched them by the tags players give Backrooms: Collision Not Found on Steam (Horror, Strategy, Multiplayer, Online Co-Op, and Psychological Horror): closest matches first, and among equally close ones the better-known games.

Escape the Backrooms
Shared: Horror · Multiplayer · Online Co-Op

Backrooms: Escape Together
Shared: Horror · Multiplayer · Online Co-Op

Pacify
Shared: Horror · Multiplayer · Online Co-Op

Lethal Company
Shared: Horror · Online Co-Op · Exploration

Phasmophobia
Shared: Horror · Multiplayer · Online Co-Op

PEAK
Shared: Multiplayer · Online Co-Op · Exploration

Inside the Backrooms
Shared: Horror · Multiplayer · Psychological Horror

Dead by Daylight
Shared: Horror · Multiplayer · Online Co-Op

Content Warning
Shared: Horror · Online Co-Op · Multiplayer

Subnautica 2
Shared: Horror · Multiplayer · Exploration

Nuclear Nightmare
Shared: Horror · Online Co-Op · Multiplayer

R.E.P.O.
Shared: Horror · Multiplayer · Online Co-Op

Fears to Fathom® - Scratch Creek
Shared: Horror · Multiplayer · Psychological Horror

RV There Yet?
Shared: Multiplayer · Online Co-Op · Adventure

The Outlast Trials
Shared: Horror · Multiplayer · Psychological Horror

DEVOUR
Shared: Horror · Multiplayer · Online Co-Op

Zort
Shared: Horror · Online Co-Op · Psychological Horror

PANICORE
Shared: Horror · Online Co-Op · Psychological Horror

Outlast
Shared: Horror · Psychological Horror · Multiplayer

Buckshot Roulette
Shared: Multiplayer · Horror · Strategy

Labyrinthine
Shared: Horror · Online Co-Op · Multiplayer

Lunch Lady
Shared: Horror · Multiplayer · Online Co-Op

BIGFOOT
Shared: Horror · Multiplayer · Online Co-Op

Sons Of The Forest
Shared: Multiplayer · Horror · Exploration