Open Source Windows Simulation Games

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.

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.

Rigs of Rods is a 3D simulator game where you can drive, fly and sail various vehicles using an accurate and unique soft-body physics engine. Since 2014, the development continued at https://github.com/RigsOfRods/rigs-of-rods UPDATE: 10/30/2016: removed opencandy installers, replaced with zip files.

OpenTTD is an open source clone of the Microprose game "Transport Tycoon Deluxe". For more recent versions visit our website: http://www.openttd.org

A windows based simulator for a real multimedia message service center.

Lost-Signal is OpenGL and SDL based 3D space shooter with 3 campaigns and including a multiplayermode. Also for Windows and Linux systems!

First steps on Mars at Dec.24 2019 started "Race For Mars".Today Huston and NASA communication for people: Huston/NASA: "First mission on Mars with humans completed.Humans from Mars never be come back on Earth!" Name of base: IXA-Base Crew: Bizz Larda,London Jlodan,Elena VValski,Jonson,BAldrin,LEonar Victora Contribution for this base: NASA and ESA First mens on mars from United Kingdom,United States,Germany

That project is inteded to be a great FreePascal (initialy, then Mono) 3D opensource game which will do a nice flightsim game. Is is intended to work on any Unix/Windows OS-es with OpenGL/SDL.

Java version of Stellarium.