Co-op games like 后室重生Backrooms Rebirth
Below are 8 cooperative Steam games similar to 后室重生Backrooms Rebirth, 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 后室重生Backrooms Rebirth page.
Ranked picks
- 1
Last Bad Idea
Online Co-op alternative to 后室重生Backrooms Rebirth — playable with friends. Shares Action and Indie with 后室重生Backrooms Rebirth.
This is a 1-4 player co-op survival extraction game. Head out from your base, explore dangerous zones, gather resources, craft gear, and build a plane, boat, or other vehicle to escape each location and get one step closer to the bunker.
- 2
Ominous
Online Co-op alternative to 后室重生Backrooms Rebirth — playable with friends. Shares Action and Indie with 后室重生Backrooms Rebirth.
Ominous is a thriller/horror game for up to 4 players. In this game, you must collaborate with your teammates to face a creature within an indoor setting. What sets Ominous apart is its unique approach to multiplayer, offering a distinct experience compared to many other horror games available.
- 3
PROJECTA
Online Co-op alternative to 后室重生Backrooms Rebirth — playable with friends. Shares Action and Indie with 后室重生Backrooms Rebirth.
PROJECTA is a reality-shifting co-op adventure where you and your variant solve puzzles, manipulate time, and survive in a fractured multiverse full of mind-bending challenges.
- 4
Mournight
Online Co-op alternative to 后室重生Backrooms Rebirth — playable with friends. Shares Action and Indie with 后室重生Backrooms Rebirth.
A terrifying 1–4 player co-op horror game set in a cursed mansion. Use flashlights, find clues, and survive the horrors within. Every decision matters. Can you escape before the curse claims you?
- 5
VISE
Online Co-op alternative to 后室重生Backrooms Rebirth — playable with friends. Shares Adventure and Simulation with 后室重生Backrooms Rebirth.
A co-op survival sandbox where you design every object yourself. Beams, hinges, ropes, axles: build it in the blueprint editor, gather the materials, and watch it stand up as a real physics object. Fully editable voxel world. Dedicated servers. No prefabs.
- 6
School 666
Online Co-op alternative to 后室重生Backrooms Rebirth — playable with friends. Shares Action and Indie with 后室重生Backrooms Rebirth.
School 666 is a 1-4 Player Co-op Survival Horror. You must escape this endless nightmare. Try to identify the correct path and survive the anomalies in this endless school. Some extremely powerful anomalies will catch you to their dimensions. Explore the reason why you are here... and don't die.
- 7
Spectator 2
Online Co-op alternative to 后室重生Backrooms Rebirth — playable with friends. Shares Action and Indie with 后室重生Backrooms Rebirth.
Your job is simple: monitor live security footage and report anomalies. The longer you watch, the more reality unravels. Play solo or in split-screen co-op as you uncover disturbing events in unpredictable, ever-changing locations- just don’t let too many anomalies slip by.
- 8
THE 4 SINS
Online Co-op alternative to 后室重生Backrooms Rebirth — playable with friends. Shares Indie and Adventure with 后室重生Backrooms Rebirth.
THE 4 SINS is a multiplayer puzzle game in horror atmosphere. It is adapted from a local offline escape room which has gained public recognition for its story. There are 4 players in the game to find cooperative solution by exploring the ghost town. Try to escape the strange place!!