IMHO.

Co-op games like Backrooms: The Deep Dark

Below are 8 cooperative Steam games similar to Backrooms: The Deep Dark, 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: The Deep Dark page.

Ranked picks

  1. 1
    Backrooms: The Others — Steam game cover

    Backrooms: The Others

    Online Co-op alternative to Backrooms: The Deep Dark — playable with friends. Shares Indie and Adventure with Backrooms: The Deep Dark.

    Backrooms: The Others is a cooperative horror game for up to 4 players where you will be forced to explore these unknown nooks and crannies, trying to survive in this complex world where death can be waiting for you at every turn!

    2025IndieAdventureSimulation2.99 USDCo-opSimilar games →
  2. 2
    Backrooms: The Next Level — Steam game cover

    Backrooms: The Next Level

    Online Co-op alternative to Backrooms: The Deep Dark — playable with friends. Shares Indie and Adventure with Backrooms: The Deep Dark.

    Backrooms: The Next Level is a Co-op horror game up to 4 players, where you and your friends will explore the game, try to pass the game level using your mind, wit, remembering the places where you were

    2025IndieAdventureSimulation1.99 USDCo-opSimilar games →
  3. 3
    Backrooms: What's Next — Steam game cover

    Backrooms: What's Next

    Online Co-op alternative to Backrooms: The Deep Dark — playable with friends. Shares Indie and Adventure with Backrooms: The Deep Dark.

    Backrooms: What's Next is a Co-op horror game up to 4 players, where you and your friends will explore the game, try to pass the game level using your mind, wit, remembering the places where you were

    2025IndieAdventureSimulation2.99 USDCo-opSimilar games →
  4. 4
    Backrooms: The Last Observer — Steam game cover

    Backrooms: The Last Observer

    Online Co-op alternative to Backrooms: The Deep Dark — playable with friends. Shares Indie and Adventure with Backrooms: The Deep Dark.

    Backrooms: The Last Observer is a cooperative horror game. Descend into something that resists understanding, where perception itself begins to fracture. You are here not to fight, but to witness — and sometimes, witnessing is the worst thing you can do.

    2026IndieAdventureSimulation1.19 USDCo-opSimilar games →
  5. 5
    Backrooms: Forgotten Floors — Steam game cover

    Backrooms: Forgotten Floors

    Online Co-op alternative to Backrooms: The Deep Dark — playable with friends. Shares Indie and Adventure with Backrooms: The Deep Dark.

    Backrooms: Forgotten Floors is a cooperative horror game for 1–4 players. Descend into levels no one remembers, through spaces that shouldn't exist. You're here now — and the only thing worse than being lost is being noticed.

    2025IndieAdventureSimulation1.99 USDCo-opSimilar games →
  6. 6
    Backrooms: The Lost Circus — Steam game cover

    Backrooms: The Lost Circus

    Online Co-op alternative to Backrooms: The Deep Dark — playable with friends. Shares Indie and Adventure with Backrooms: The Deep Dark.

    Backrooms: The Lost Circus is a Co-op horror game up to 4 players, where you and your friends will explore the game, try to pass the game level using your mind, wit, remembering the places where you were

    2025IndieAdventureSimulation1.99 USDCo-opSimilar games →
  7. 7
    Backrooms: Steps into the abyss — Steam game cover

    Backrooms: Steps into the abyss

    Online Co-op alternative to Backrooms: The Deep Dark — playable with friends. Shares Indie and Adventure with Backrooms: The Deep Dark.

    Try to survive in these endless corridors and mazes, sometimes they seem the same, sometimes they seem completely different, and what if you are already going crazy? Can you survive here? You will need to look for supplies by type of water and food

    2025IndieAdventure0.79 USDCo-opSimilar games →
  8. 8
    Zort — Steam game cover

    Zort

    Online Co-op alternative to Backrooms: The Deep Dark — playable with friends. Shares Indie and Adventure with Backrooms: The Deep Dark.

    Zort is an action, adventure, and horror game that can be played with up to 4 people. Explore maps with your friends and have fun while escaping from various creatures. Experience a realistic horror experience with in-game voice chat with your friends!

    2024ActionIndieAdventure4.00 USDCo-opSimilar games →