IMHO.

Co-op games like Eternal Tombs

Below are 8 cooperative Steam games similar to Eternal Tombs, 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 Eternal Tombs page.

Ranked picks

  1. 1
    Eclipsia — Steam game cover

    Eclipsia

    Online Co-op alternative to Eternal Tombs — playable with friends. Shares Indie and Massively Multiplayer with Eternal Tombs.

    Eclipsia is a 2D action MMORPG where thousands explore a world beyond imagination. Master fast-paced, multi-class combat, hunt legendary weapon classes, and venture through realms from tranquil forests to Nephelia's clouds. Face epic bosses, battle in PvP arenas, and forge your legend.

    2026ActionIndieAdventureCo-opSimilar games →
  2. 2
    Ashen Throne — Steam game cover

    Ashen Throne

    Online Co-op alternative to Eternal Tombs — playable with friends. Shares Indie and Massively Multiplayer with Eternal Tombs.

    A free-to-play, top-down action MMORPG. Play as a Warrior, Wizard or Taoist, explore dungeons and hunt bosses with friends. Find and craft equipment, develop your skills, and join your guild in battles for territory and Ashen Castle.

    2026ActionIndieAdventureFreeCo-opSimilar games →
  3. 3
    Torebia: Island Odyssey — Steam game cover

    Torebia: Island Odyssey

    Online Co-op alternative to Eternal Tombs — playable with friends. Shares Indie and Massively Multiplayer with Eternal Tombs.

    Torebia: Island Odyssey is an old-school sandbox MMORPG. No classes, no pay-to-win. Craft, fight, trade, and rise through the Adventurer's Guild ranks your way. One shared world. Pure adventure.

    ActionIndieMassively MultiplayerCo-opSimilar games →
  4. 4
    Legends of Aria Eternal — Steam game cover

    Legends of Aria Eternal

    Online Co-op alternative to Eternal Tombs — playable with friends. Shares Massively Multiplayer and RPG with Eternal Tombs.

    Legends of Aria Eternal is a sandbox MMORPG where players shape the world. Now with faster skill gains, a reworked prestige and enchanting system, full in-game knowledge base, and powerful new tools to run your own custom server.

    2026ActionAdventureMassively Multiplayer20.00 USDCo-opSimilar games →
  5. 5
    Helbreath Evolution — Steam game cover

    Helbreath Evolution

    Online Co-op alternative to Eternal Tombs — playable with friends. Shares Indie and Massively Multiplayer with Eternal Tombs.

    A free-to-play old-school MMORPG: the classic 2001 nation war between Aresden and Elvine, re-forged in a modern engine and remastered in HD. Build a class-free hero, master magic, enchant your gear on a deep +N upgrade path, and fight for your town in massive open-world PvP.

    2026ActionIndieMassively MultiplayerFreeCo-opSimilar games →
  6. 6
    Umbral Adventures — Steam game cover

    Umbral Adventures

    Online Co-op alternative to Eternal Tombs — playable with friends. Shares Massively Multiplayer and RPG with Eternal Tombs.

    A community-driven old-school sandbox MMORPG focused on player freedom, meaningful progression, exploration, crafting, trading, and cooperative adventures in a persistent fantasy world.

    Massively MultiplayerRPGCo-opSimilar games →
  7. 7
    Leafling Reborn — Steam game cover

    Leafling Reborn

    Online Co-op alternative to Eternal Tombs — playable with friends. Shares Indie and Massively Multiplayer with Eternal Tombs.

    2D Pixel Art MMORPG passion project reboot of Leafling Online. Fight, craft, socialize, and explore a beautiful and deep open world. Free-to-play now and forever with NO pay-to-win.

    ActionIndieMassively MultiplayerFreeCo-opSimilar games →
  8. 8
    Day of Dragons — Steam game cover

    Day of Dragons

    Online Co-op alternative to Eternal Tombs — playable with friends. Shares Indie and Massively Multiplayer with Eternal Tombs.

    Day of Dragons is an online creature survival game set in a large, beautiful, sandbox open world with multiple biomes and distinct creatures. Rule the world as one of several dragon species, or play as an elemental.

    2019IndieSimulationMassively Multiplayer19.99 USDDeck PlayableCo-opSimilar games →