Alternatives to Kerbal Space Program for all platforms with Open Source License

  • 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

    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

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Platforms

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