IMHO.

Co-op games like Chambered

Below are 8 cooperative Steam games similar to Chambered, 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 Chambered page.

Ranked picks

  1. 1
    Project Techtonic — Steam game cover

    Project Techtonic

    Online Co-op alternative to Chambered — playable with friends. Shares Indie and Adventure with Chambered.

    Assemble a team of E.D.G.A.R robots for a chaotic co-op adventure into ancient temples on rapidly eroding islands. Develop your museum’s collection using the treasure retrieved on each perilous expedition while the corrupt OMEN Corporation is in pursuit. Adventure awaits. Mayhem ensues.

    ActionIndieAdventureCo-opSimilar games →
  2. 2
    Crypt Club — Steam game cover

    Crypt Club

    Online Co-op alternative to Chambered — playable with friends. Shares Indie with Chambered.

    Explore a sprawling cave network with your friends in search of fun occult loot for the Crypt Club! Find fun-to-use items, torn pages of a tome, and even a monster lurking within the depths.

  3. 3
    PEAK — Steam game cover

    PEAK

    Online Co-op alternative to Chambered — playable with friends. Shares Indie and Adventure with Chambered.

    PEAK is a co-op climbing game where the slightest mistake can spell your doom. Either solo or as a group of lost nature scouts, your only hope of rescue from a mysterious island is to scale the mountain at its center. Do you have what it takes to reach the PEAK?

    2025ActionIndieAdventure7.99 USDDeck VerifiedCo-opSimilar games →
  4. 4
    Split Happens — Steam game cover

    Split Happens

    Online Co-op alternative to Chambered — playable with friends. Shares Indie with Chambered.

    Manage an old, rundown nuclear power plant with up to 6 friends in online co-op. Fix hazards before you put the reactor in critical condition, manage the chaos to avoid a meltdown, and try not to get in the way of your coworkers.

    ActionIndieCasualCo-opSimilar games →
  5. 5
    Gamble With Your Friends — Steam game cover

    Gamble With Your Friends

    Online Co-op alternative to Chambered — playable with friends. Shares Indie and Adventure with Chambered.

    An online 1-6 player co-op "casino crawler" where you and your friends share one bank account and one massive debt. Gamble, buy sketchy items, make terrible decisions, and climb an ominous casino tower to hit your loan shark’s daily quota in 5 minutes - or face the consequences.

    2026IndieAdventureSimulation4.95 USDDeck PlayableCo-opSimilar games →
  6. 6
    Concrete Abyss — Steam game cover

    Concrete Abyss

    Online Co-op alternative to Chambered — playable with friends. Shares Indie with Chambered.

    Liquidator, you have been re-assigned. Descend into a spatially unstable underground abyss, complete tasks assigned by the C.C.S.R. overseer, scavenge supplies and survive the horrors of the Kaldir conglomerate's negligence alone or with your fellow liquidators.

    2026IndieCo-opSimilar games →
  7. 7
    ROMUL — Steam game cover

    ROMUL

    Online Co-op alternative to Chambered — playable with friends. Shares Indie and Adventure with Chambered.

    ROMUL is a co-op looting horror game. Together with a voice-controlled robot with early-stage AI, explore abandoned space stations with unstable gravity and use it to your advantage. Survive among monsters and extract valuable cargo.

    2026ActionIndieAdventureCo-opSimilar games →
  8. 8
    HANDSUP — Steam game cover

    HANDSUP

    Online Co-op alternative to Chambered — playable with friends. Shares Indie and Adventure with Chambered.

    Escape a vertical nightmare with up to 4 friends using physics-based parkour. Equip Magic Rings to customize your climb. Don't let go, just keep your Hands Up.

    ActionIndieAdventureCo-opSimilar games →