Alternatives to Kerbal Space Program for all platforms with Free License

  • Orbiter

    Orbiter is a realistic 3D real-time space flight simulator program. Fed up with space games that insult your intelligence and violate every law of physics? Orbiter...

    Free Windows

    Low Graphics Add a feature

    Orbiter icon

  • Pioneer

    Pioneer is a space adventure game set in the Milky Way galaxy at the turn of the 31st century. The game is open-ended, and you are free to explore the millions of star...

    Free Open Source Mac Windows Linux

    Action combat Add a feature

    Pioneer icon

  • Pioneer Scout Plus

    A game of missions, trade and space combat in the 31st century using the Pioneer Space Sim engine with many additions and improvements.

    Free Open Source Windows Linux

    No features added Add a feature

  • Zen Koi

    Zen Koi is a fun, relaxing and stylish mobile game experience from LandShark Games. Grow, breed and collect beautiful Japanese carp as they make their way to...

    • No designing spaceships. No piloting spaceships. No generating ablation cascades. Guest • Jul 2018 • 2 agrees and 1 disagrees Disagree   Agree

    Freemium $ $ $ Android iPhone Android Tablet iPad

    Free to play Single player Add a feature

    Zen Koi icon

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