IMHO.

Free games like SpaceBourne

Below are 8 free-to-play Steam games similar to SpaceBourne, 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 SpaceBourne page.

Ranked picks

  1. 1
    NGU IDLE — Steam game cover

    NGU IDLE

    Free-to-play alternative to SpaceBourne — no purchase or trial window. Shares Indie and Simulation with SpaceBourne.

    NGU Idle is a Free To Play Idle game that's full of weird humor, tons of upgrades and hundreds of hours of content! Try out NGU Idle today and experience the joy of Numbers Going Up!

    2019IndieAdventureSimulationFreeDeck PlayableFree to playSimilar games →
  2. 2
    Magic Archery — Steam game cover

    Magic Archery

    Free-to-play alternative to SpaceBourne — no purchase or trial window. Shares Indie and Simulation with SpaceBourne.

    Train a commoner to become the greatest archer in this short incremental game! Increase your stats, gather wealth from quests, buy upgrades, and infuse your arrows with magic.

    2024IndieSimulationRPGFreeDeck PlayableFree to playSimilar games →
  3. 3
    The Riftbreaker: Prologue — Steam game cover

    The Riftbreaker: Prologue

    Free-to-play alternative to SpaceBourne — no purchase or trial window. Shares Indie with SpaceBourne.

    The Riftbreaker: Prologue allows you to experience the events taking place before the story campaign of the main game. Explore an entirely new world. Gather resources. Build up a base. Defend yourself from thousands of alien creatures.

    2020ActionStrategyIndieFreeDeck PlayableFree to playSimilar games →
  4. 4
    The Last Sovereign — Steam game cover

    The Last Sovereign

    Free-to-play alternative to SpaceBourne — no purchase or trial window. Shares Indie and RPG with SpaceBourne.

    Explore a world torn between armies of lust and purity in which everything is more complex than it seems, deciding the fate of nations through might, politics, and finance. Every decision matters in an intricate saga that tracks thousands of variables.

    2025StrategyIndieAdventureFreeDeck VerifiedFree to playSimilar games →
  5. 5
    Warframe — Steam game cover

    Warframe

    Free-to-play alternative to SpaceBourne — no purchase or trial window. Shares RPG with SpaceBourne.

    Awaken as an unstoppable warrior and battle alongside your friends in this story-driven free-to-play online action game

    2013ActionRPGFree To PlayFreeDeck VerifiedFree to playSimilar games →
  6. 6
    Aimlabs — Steam game cover

    Aimlabs

    Free-to-play alternative to SpaceBourne — no purchase or trial window. Shares Indie and Simulation with SpaceBourne.

    Aimlabs is the aim trainer of choice for over 45 Million players, from beginners to esports pros. Our unique aim analysis optimizes your gameplay, targets your weaknesses & builds key skills for any FPS game! Time to warm up with our unlimited scenarios & rank up in-game!

    2023ActionIndieAdventureFreeDeck PlayableFree to playSimilar games →
  7. 7
    STAR WARS™: The Old Republic™ — Steam game cover

    STAR WARS™: The Old Republic™

    Free-to-play alternative to SpaceBourne — no purchase or trial window. Shares RPG with SpaceBourne.

    STAR WARS™: The Old Republic™ is a free-to-play MMORPG that puts you at the center of your own story-driven saga. Play as a Jedi, Sith, Bounty Hunter, or one of many other iconic STAR WARS roles in the galaxy far, far away over three thousand years before the classic films.

    2020Massively MultiplayerRPGFree To PlayFreeDeck PlayableFree to playSimilar games →
  8. 8
    PlanetSide 2 — Steam game cover

    PlanetSide 2

    Free-to-play alternative to SpaceBourne — no purchase or trial window.

    PlanetSide 2 is an all-out planetary war, where thousands of players battle as one across enormous continents. Utilize infantry, ground and air vehicles, and teamwork to destroy your enemies in this revolutionary first-person shooter on a massive scale.

    2012ActionMassively MultiplayerFree To PlayFreeDeck PlayableFree to playSimilar games →