Co-op games like Backrooms: Lost
Below are 5 cooperative Steam games similar to Backrooms: Lost, 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: Lost page.
Ranked picks
- 1
Homaysa
Online Co-op alternative to Backrooms: Lost — playable with friends. Shares Action and Indie with Backrooms: Lost.
Homaysa ™ a collection of experimental VR mini game modes and VR experiences in a multiplayer environment.
- 2
Backrooms: Extractions
Online Co-op alternative to Backrooms: Lost — playable with friends. Shares Action and Indie with Backrooms: Lost.
Cooperate with up to 6 players to explore, search, and extract lost agents within the Backrooms. Solve puzzles, unlock tools, survive against entities, and progress through increasingly dangerous levels.
- 3
The Escape: Together
Online Co-op alternative to Backrooms: Lost — playable with friends. Shares Action and Indie with Backrooms: Lost.
The Escape: Together is a 1-3 player Online CO-OP escape horror. The paranormal creature has taken over the house. You must use everything you find to survive and make your runaway.
- 4
Malice
Online Co-op alternative to Backrooms: Lost — playable with friends. Shares Action and Indie with Backrooms: Lost.
You fall through a sinkhole into a nightmarish Japanese mansion with a lingering, sinister presence and terrifying threats… and the only way out is deeper in. Malice is a two-player, compulsory co-op survival horror that forces you to make unforgiving choices and rely on your wits to survive.
- 5
Exorcist Simulator
Online Co-op alternative to Backrooms: Lost — playable with friends. Shares Action and Adventure with Backrooms: Lost.
Exorcist Simulator is a 1‑4 player online co‑op horror where every play asks the same, terrible question: Will you cast out the Devil —or wear his skin?