Browse free open source Simulation Games and projects for Windows below. Use the toggles on the left to filter open source Simulation Games by OS, license, language, programming language, and project status.

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    Stellarium

    Stellarium

    A planetarium software that shows a 3D simulation of the night sky

    Stellarium renders 3D photo-realistic skies in real time with OpenGL. It displays stars, constellations, planets, nebulae and others things like ground, landscape, atmosphere, etc.
    Leader badge
    Downloads: 2,536 This Week
    Last Update:
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  • 2
    simutrans

    simutrans

    A free transportation simulator game

    Simutrans is a cross-platform simulation game where players try to successfully manage transportation systems between places by land, air, and water for passengers, mail, and goods. Planes, ships, trains, trams, trucks, buses, or monorails are at your disposal, but factories operate based on contracts and passengers can only travel to their set destinations.
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    Downloads: 2,353 This Week
    Last Update:
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  • 3
    OpenTTD is an open source clone of the Microprose game "Transport Tycoon Deluxe". For more recent versions visit our website: http://www.openttd.org
    Downloads: 11 This Week
    Last Update:
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  • 4

    SpeedSim

    A battle simultor for the browser game OGame

    SpeedSim is an OGame (ogame.org) combat simulator. It has lots of additional features like BestWorst-Case calculation, multiple simulations, it supports skinning and other useful things. This is also the project page of QtSim (SpeedSim for Linux)
    Downloads: 2 This Week
    Last Update:
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  • 5
    Bahamut-Sango
    Bahamut-Sango is a historical-simulation game made by the fans. Now it is in processing.
    Downloads: 0 This Week
    Last Update:
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  • 6
    Cross-platform 3D Game Interpreter for 3D design games simulation and Virtual Reality Graphics Rendering with GUI and Command Line. Include map editor , game modeler , script editor.
    Downloads: 0 This Week
    Last Update:
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  • 7
    This is a java based multiplayer 3D football machine game.
    Downloads: 0 This Week
    Last Update:
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  • 8
    PTISC (Project Turn-base Isomatric SLG Core)is a turn base Isomatric SLG game play engine. Using DelphiX for content display. Related topic is SRC(Simulation RPG Construction) built by Kei Sakamoto.
    Downloads: 0 This Week
    Last Update:
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  • 9
    Java version of Stellarium.
    Downloads: 0 This Week
    Last Update:
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