IMHO.

Co-op games like Game Master Engine

Below are 8 cooperative Steam games similar to Game Master Engine, 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 Game Master Engine page.

Ranked picks

  1. 1
    TaleSpire — Steam game cover

    TaleSpire

    Online Co-op alternative to Game Master Engine — playable with friends. Shares Indie and Simulation with Game Master Engine.

    TaleSpire is a beautiful way to play pen and paper RPGs online. Bring your stories to life and embark upon campaigns together with your friends, regardless of where you are in the world.

    2021IndieSimulationRPG24.99 USDDeck PlayableCo-opSimilar games →
  2. 2
    The RPG Engine — Steam game cover

    The RPG Engine

    Online Co-op alternative to Game Master Engine — playable with friends. Shares Simulation and RPG with Game Master Engine.

    Host immersive tabletop campaigns in a world imagined entirely by you! Build from the ground up with The RPG Engine, an intuitive virtual tabletop that lets you create unparalleled roleplaying environments for your party to get lost in.

    2023StrategyAdventureSimulationFreeCo-opSimilar games →
  3. 3
    RPG Stories — Steam game cover

    RPG Stories

    Online Co-op alternative to Game Master Engine — playable with friends. Shares Simulation and RPG with Game Master Engine.

    RPG Stories 3D World Builder VTT lets you create any indoor or outdoor environment, then either export your maps to other VTTs or invite friends to play your tabletop RPG sessions online in 3D. It fully supports all three major TTRPG eras—Fantasy, Modern, and Sci-Fi.

    2023StrategyAdventureSimulation20.99 USDDeck PlayableCo-opSimilar games →
  4. 4
    Dungeon Full Dive: Game Master Edition — Steam game cover

    Dungeon Full Dive: Game Master Edition

    Online Co-op alternative to Game Master Engine — playable with friends. Shares Indie and RPG with Game Master Engine.

    DFD: Game Master Edition is the ultimate TTRPG toolkit to bring your games to the next level. With the ability to host and manage sessions, create limitless characters and maps, and access exclusive GM tools. This edition offers unparalleled control over your tabletop experiences.

    2023StrategyIndieAdventureFreeDeck PlayableCo-opSimilar games →
  5. 5
    TaleSpire - Guest Edition — Steam game cover

    TaleSpire - Guest Edition

    Online Co-op alternative to Game Master Engine — playable with friends. Shares Indie and RPG with Game Master Engine.

    TaleSpire - Guest Edition lets you join, build, and play any TaleSpire campaign where the party has seats available. Has an ally of yours bought you a seat at the table? This is how you join them.

    2024IndieRPGFreeCo-opSimilar games →
  6. 6
    GATE — Steam game cover

    GATE

    Online Co-op alternative to Game Master Engine — playable with friends. Shares Indie and Simulation with Game Master Engine.

    Easily play tabletop games like D&D with your friends online. GATE was built with simplicity in mind, allowing people to play games with friends quickly and easily.

    2021StrategyIndieAdventure8.99 USDDeck PlayableCo-opSimilar games →
  7. 7
    Wildshape - Map Editor (free demo) — Steam game cover

    Wildshape - Map Editor (free demo)

    Online Co-op alternative to Game Master Engine — playable with friends. Shares Indie and Simulation with Game Master Engine.

    An all new way to create and play tabletop games in beautiful animated 3D maps!

    2021StrategyIndieAdventureFreeCo-opSimilar games →
  8. 8
    Adunata — Steam game cover

    Adunata

    Online Co-op alternative to Game Master Engine — playable with friends. Shares Indie and Simulation with Game Master Engine.

    Adunata is a virtual tabletop that combines the beauty of 3D immersion with the effortless speed of 2D tools thanks to intuitive 2.5D tools like Fog of War, flexible dice roll editor, dynamic conditions and more. Lead your party through seamless adventures across PC, iOS and soon tablet, and mobile.

    IndieSimulationRPGCo-opSimilar games →