Co-op games like Backrooms: Multiverse
Below are 8 cooperative Steam games similar to Backrooms: Multiverse, ranked by player overlap and content similarity. Every pick supports cooperative play — online co-op, LAN co-op, or shared/split-screen — so you can play with friends right out of the box. imho.run pulls from the same Steam category data Valve uses internally, so "Co-op" here matches what the store labels.
Want the full alternatives list (paid + free + Steam Deck + cheaper picks)? See the parent games like Backrooms: Multiverse page.
Ranked picks
- 1

Dust Vein
Online Co-op alternative to Backrooms: Multiverse — playable with friends. Shares Action and Indie with Backrooms: Multiverse.
A co-op horror game for 1-4 players set in the dead underground bunkers of Earth. Collect loot, fulfill the quota, feed the living reactor, and descend deeper and deeper into the mines.
- 2

7 Days to Escape
Online Co-op alternative to Backrooms: Multiverse — playable with friends. Shares Action and Adventure with Backrooms: Multiverse.
OBEY OR ESCAPE You can follow the rules and survive another day.You are a defective clone trapped inside a brutal prison where every day follows a strict routine. Play alone or with up to 4 players as you obey the guards, complete your shifts, stay in order, and avoid suspicion.
- 3

Vasilisa
Online Co-op alternative to Backrooms: Multiverse — playable with friends. Shares Action and Indie with Backrooms: Multiverse.
VASILISA is a co-op horror game for 1–4 players, inspired by Slavic folklore and culture. Team up with friends, gather mythical artifacts, and stop the invasion of darkness threatening your kolkhoz.
- 4

Summon: Joint escape
Online Co-op alternative to Backrooms: Multiverse — playable with friends. Shares Action and Indie with Backrooms: Multiverse.
Summon: Joint Escape is a cooperative horror survival game for 1-4 players. Find a way to escape from a stalker in camouflage uniform who wants to give you a piece of paper with the inscription "Summon".
- 5

Supernatural Haven
Online Co-op alternative to Backrooms: Multiverse — playable with friends. Shares Action and Indie with Backrooms: Multiverse.
1 or 4-player online co-op horror survival game featuring supernatural entity capture and search-fight-retreat gameplay loops.
- 6

Dark Home
Online Co-op alternative to Backrooms: Multiverse — playable with friends. Shares Action and Early Access with Backrooms: Multiverse.
Dark Home is an asymmetric multiplayer horror game where players must work together with friends or alone enable to escape the nightmare of the Dark Home and the spirit that dwells within it.
- 7

Obscuris
Online Co-op alternative to Backrooms: Multiverse — playable with friends. Shares Action and Indie with Backrooms: Multiverse.
Co-op horror for 1–6 players set in modern Japan. Play as Japanese high school girls, explore eerie locations (some procedurally generated), collect Obscure at night, meet deadly quotas, and escape before dawn. Customize your character. Story mode not yet available.
- 8

Piywebler
Online Co-op alternative to Backrooms: Multiverse — playable with friends. Shares Action and Adventure with Backrooms: Multiverse.
A 1–4 player co-op horror experience. Burn the books in a cursed hospital, find the keys, and escape from the entity hunting you.