Co-op games like CoopRooms
Below are 8 cooperative Steam games similar to CoopRooms, 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 CoopRooms page.
Ranked picks
- 1

The Midnighters
Online Co-op alternative to CoopRooms — playable with friends. Shares Action and Indie with CoopRooms.
The Midnighters is a survival horror game for 1-4 players where you hunt for cursed treasures. Find and seize the treasures claimed by terrifying creatures. But as you do, heed the devil's whispers and never trust your eyes.
- 2

Tutsak
Online Co-op alternative to CoopRooms — playable with friends. Shares Action and Indie with CoopRooms.
Explore abandoned locations with 1–4 players. The creature hunts, captures, and imprisons you — your teammates must find you before it's too late. Can you escape together?
- 3

Maintenance Crew
Online Co-op alternative to CoopRooms — playable with friends. Shares Action and Indie with CoopRooms.
A cooperative horror game where you must work to maintain a base to keep monsters from getting in.
- 4

Backrooms Descent: Multiplayer Horror
Online Co-op alternative to CoopRooms — playable with friends. Shares Action and Indie with CoopRooms.
If you are not careful enough, you may end up in that place, the place some call The Backrooms. The Backrooms of existence, a hellish dimension of infinite maze-like constructs, each level pushing deeper into the despair. Could you, a normal person find the way out? Dive deeper into the horror
- 5

Summon: Joint escape
Online Co-op alternative to CoopRooms — playable with friends. Shares Action and Indie with CoopRooms.
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".
- 6

The Outlast Trials
Online Co-op alternative to CoopRooms — playable with friends. Shares Action and Indie with CoopRooms.
Red Barrels invites you to experience mind-numbing terror, this time with friends. Whether you go through the trials alone or in teams, if you survive long enough and complete the therapy, Murkoff will happily let you leave… but will you be the same?
- 7

Backrooms Lost Runners
Online Co-op alternative to CoopRooms — playable with friends. Shares Action and Indie with CoopRooms.
Backrooms Lost Runners is a co-op survival horror with team play, voice-reactive AI, and immersive puzzles. This isn’t a “walking simulator”: explore liminal spaces, outsmart entities, and remember—even a whisper can give you away.
- 8

Escape From Monster
Online Co-op alternative to CoopRooms — playable with friends. Shares Action and Indie with CoopRooms.
You woke up in a dusty room, in an unknown place, with no memory of how you got here. Your pockets are empty, and there is something outside the door producing frightening sounds.