Alternatives to Universe Sandbox for all platforms with any license

  • Celestia icon

    Celestia

    Celestia is a free real-time 3D space simulation, allowing unrestricted access to hundreds of thousands of stars. 3rd-Party content...

    Open Source Mac Windows Linux

  • Orbiter icon

    Orbiter

    Orbiter is a realistic 3D real-time space flight simulator program. Fed up with space games that insult your intelligence and...

    Free Windows

  • Pioneer icon

    Pioneer

    Pioneer is a space adventure game set in the milkyway galaxy at the turn of the 31st century. The game is open-ended, and you are free...

    Open Source Mac Windows Linux

  • Digital Universe Atlas icon

    Digital Universe Atlas

    The Digital Universe Atlas incorporates data from dozens of organizations worldwide to create the most complete and accurate 3-D atlas...

    Free Mac Windows Linux

  • 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.

    Open Source Windows Linux

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