IMHO.

Free games like The Endless Mission

Below are 8 free-to-play Steam games similar to The Endless Mission, ranked by player overlap and content similarity. No purchase or Steam login required to view the list. Every pick is a full free-to-play title — not a demo, trial, or time-limited giveaway. imho.run's catalogue refreshes daily, so newly free or newly popular titles surface here without manual editing.

Want the full alternatives list (paid + free + Steam Deck + cheaper picks)? See the parent games like The Endless Mission page.

Ranked picks

  1. 1
    Bitburner — Steam game cover

    Bitburner

    Free-to-play alternative to The Endless Mission — no purchase or trial window.

    Bitburner is a programming-based incremental game. Write scripts in JavaScript to automate gameplay, learn skills, play minigames, solve puzzles, and more in this cyberpunk text-based incremental RPG.

    2021Free To PlayFreeDeck PlayableFree to playSimilar games →
  2. 2
    Resonite — Steam game cover

    Resonite

    Free-to-play alternative to The Endless Mission — no purchase or trial window. Shares Indie and Early Access with The Endless Mission.

    Enter a novel digital universe with infinite possibilities. Whether you resonate with people around the world in a casual conversation, playing games and socializing or you riff off each other when creating anything from art to programming complex games, you'll find your place here.

    2023IndieFree To PlayCasualFreeDeck PlayableFree to playSimilar games →
  3. 3
    CHKN — Steam game cover

    CHKN

    Free-to-play alternative to The Endless Mission — no purchase or trial window. Shares Indie and Adventure with The Endless Mission.

    Behold, the miracle of life… packed into cubes! Create fantastic creatures in an open-world sandbox game like no other. Explore, craft, and survive—all with the help of your very own creations.

    2016IndieAdventureCasualFreeDeck PlayableFree to playSimilar games →
  4. 4
    ABI-DOS — Steam game cover

    ABI-DOS

    Free-to-play alternative to The Endless Mission — no purchase or trial window. Shares Indie with The Endless Mission.

    Build the most advanced operating system ever created! Can you master the fictional simulation language of this mind-bending machine? Design circuits, automate UBITS (coloured mobile data blocks), and optimize your system. The Admin is always watching, and he’s not what he seems.

    2024StrategyIndieSimulationFreeDeck PlayableFree to playSimilar games →
  5. 5
    Ship Graveyard Simulator 2: Prologue — Steam game cover

    Ship Graveyard Simulator 2: Prologue

    Free-to-play alternative to The Endless Mission — no purchase or trial window. Shares Indie and Adventure with The Endless Mission.

    The Prologue is just part of the gameplay that awaits you in the full version of the game. Visit the new beach coast with the largest, biggest ship graveyard in the world, dismantle huge ship parts and collect tons of precious steel. Roll up your sleeves, it's time to get back to the business.

    2023ActionIndieAdventureFreeDeck PlayableFree to playSimilar games →
  6. 6
    Fragsurf — Steam game cover

    Fragsurf

    Free-to-play alternative to The Endless Mission — no purchase or trial window. Shares Indie and Adventure with The Endless Mission.

    Fragsurf is a dynamic blend of multiplayer first-person shooter PvP, strafing, surfing, and bunnyhop, allowing players to engage in high-speed maneuvers and combat.

    2020ActionIndieAdventureFreeDeck PlayableFree to playSimilar games →
  7. 7
    Nimbatus - Drone Creator — Steam game cover

    Nimbatus - Drone Creator

    Free-to-play alternative to The Endless Mission — no purchase or trial window. Shares Indie with The Endless Mission.

    Use the Nimbatus Drone Creator to construct physically simulated drones and try them out in a virtual testing environment. Do you have what it takes to become a drone engineer?

    2020ActionIndieSimulationFreeDeck PlayableFree to playSimilar games →
  8. 8
    Budget Backrooms — Steam game cover

    Budget Backrooms

    Free-to-play alternative to The Endless Mission — no purchase or trial window. Shares Indie and Adventure with The Endless Mission.

    Free single-player Backrooms game developed on a low budget.

    2023IndieAdventureCasualFreeDeck PlayableFree to playSimilar games →