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

  • Orchestrate Your AI Agents with Zenflow Icon
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  • 1
    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.
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    Downloads: 3,705 This Week
    Last Update:
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  • 2
    Speed Dreams : an Open Motorsport Sim
    2025 UPDATE: we have finally moved to Git! https://forge.a-lec.org/speed-dreams/speed-dreams-code/ This SourceForge project will be kept as a read-only archive and will be eventually removed! Speed Dreams is a Motorsport Simulator featuring high-quality 3D graphics and an accurate physics engine, all targeting maximum realism. Initially forked from TORCS, it has now reached a clearly higher realism level in visual and physics simulation, thanks to its active development team and growing community. It mainly aims to implement exciting new features, cars, tracks and AI opponents to make a more enjoyable game for the player, while constantly pushing forward visual and physics realism. It is also intended for any research, study or teaching activity, around physics and AI, thanks to its GPL V2+ license, and the clear and modular architecture of its C/C++ code base.
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    Downloads: 332 This Week
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  • 3
    SmartPropoPlus
    SmartPropoPlus - Turning your R/C transmitter into a Flight Simulator Joystick
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    Downloads: 359 This Week
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  • 4
    xsnow

    xsnow

    Let it snow on your desktop

    Finally, a working xsnow for Gnome, KDE, etc. Based on the original xsnow-1.42 created by Rick Jansen, after the xsnow-2019 conference in Antas (Spain) we now have available a xsnow that works on many desktop environments, even Raspian. By request of many beta-testers, a graphical front end has been created as well. For non-Unix users, there is https://sourceforge.net/projects/wsnow .
    Downloads: 137 This Week
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  • Grafana: The open and composable observability platform Icon
    Grafana: The open and composable observability platform

    Faster answers, predictable costs, and no lock-in built by the team helping to make observability accessible to anyone.

    Grafana is the open source analytics & monitoring solution for every database.
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  • 5
    TORCS - The Open Racing Car Simulator
    TORCS, The Open Racing Car Simulator is a highly portable multi platform car racing simulation. It is used as ordinary car racing game, as AI racing game and as research platform. It runs on Linux (x86, AMD64 and PPC), FreeBSD, OpenSolaris and Windows.
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    Downloads: 445 This Week
    Last Update:
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  • 6

    crrcsim

    Open source model airplane simulator

    CRRCSim is a model-airplane flight simulation program for Linux with ports to other platforms. Using CRRCSim you can learn how to fly model aircraft, test new aircraft designs, and improve your skills by practicing in the relative safety of your pc.
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    Downloads: 96 This Week
    Last Update:
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  • 7
    Ur-Quan Masters HD

    Ur-Quan Masters HD

    Ur-Quan Masters High Definition

    Ur-Quan Masters HD Mod. An HD remake of Star Control 2. It's the full Ur-Quan Masters game but also featuring a high resolution mode, new features, & new artwork.
    Downloads: 56 This Week
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  • 8
    dopewars drug dealing game
    dopewars is a drug dealing game based on "Drug Wars" by John E. Dell. Originally set in New York, your aim is to deal in drugs and make your fortune... See the website at https://dopewars.sourceforge.io for more information.
    Downloads: 66 This Week
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  • 9
    Foobillard++
    An OpenGL Billard Game based on foobillard 3.0a with patches, new features (hud, jumpshots, correct detection of lost balls, more sound and graphics etc). Optimized for touch. New designed mouse / touch-control. On Facebook: www.facebook.com/Foobillardplus Some Videos: http://www.youtube.com/user/foobillardplus/videos
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    Downloads: 61 This Week
    Last Update:
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  • Financial reporting cloud-based software. Icon
    Financial reporting cloud-based software.

    For companies looking to automate their consolidation and financial statement function

    The software is cloud based and automates complexities around consolidating and reporting for groups with multiple year ends, currencies and ERP systems with a slice and dice approach to reporting. While retaining the structure, control and validation needed in a financial reporting tool, we’ve managed to keep things flexible.
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  • 10
    Vega Strike is a 3d OpenGL Action Space Sim for Win/Lin/Mac allowing players to trade, bounty hunt, or explore in a vast universe. Active development is now on https://github.com/vegastrike and on http://www.vega-strike.org Vega Strike is mod ready and network playable.
    Downloads: 50 This Week
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  • 11
    OpenCity is another 3D city simulator. You can build residential, commercial and industrial zones then supply them with necessary goods and watch them grow up. Version 0.0.6stable is now available for download. Any feature request/bug report is welcome
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    Downloads: 58 This Week
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  • 12
    Project Apollo - NASSP
    Project Apollo - NASSP (also known as NASSP or NCPP) is an add-on for the Orbiter space flight simulator. Project Apollo simulates the Apollo missions to Earth orbit and the Moon and the planned post-Apollo missions that never flew.
    Downloads: 30 This Week
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  • 13
    A UNIX/Windows/Linux remake of the DOS-game "stunts", providing modern features like openGL graphics, 3D sound and internet multiplaying. Design your own tracks, choose your opponents and try the most spectacular stunts you've ever seen.
    Downloads: 34 This Week
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  • 14
    Race Into Space
    This was the official home of Race Into Space, the computer version of the Liftoff! board game by Fritz Bronner. It was developed by Strategic Visions and published by Interplay as a disk-based game in 1993 and a CD-ROM in 1994. This location houses the prior release of the game, v. 1.1 released in 2013. There is now a v.2.0.0, which can be downloaded from https://github.com/raceintospace/raceintospace/releases/tag/v2.0.0. News and updates are available on our Mastodon account at https://mstdn.games/@raceintospace
    Downloads: 21 This Week
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  • 15
    Corewar is a game played vicariously through the action of assembly language programs written in a language called Redcode. Corewar is discussed in the Usenet group REC.GAMES.COREWAR; the reference implementation of this game, pMARS, is maintained here.
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    Downloads: 38 This Week
    Last Update:
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  • 16
    BillardGL is a GPL 3D OpenGL Billard Simulator for both Windows and Linux, available as RPM, Windows Setup File and pure code.
    Downloads: 20 This Week
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  • 17
    Lincity is a city simulation game. Build your city up from a primitive village to an advanced civilization. Build a sustainable economy, or build rockets to escape from a pollution ridden and resource starved planet.
    Downloads: 22 This Week
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  • 18
    Stunt Car Racer Remake

    Stunt Car Racer Remake

    Windows remake of Geoff Crammond's Stunt Car Racer

    Stunt Car Racer for PC/Windows This is a Windows conversion of classic computer game Stunt Car Racer.
    Downloads: 71 This Week
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  • 19
    Naev
    Naev is a 2D space trading and combat game, in a similar vein to Escape Velocity.
    Downloads: 14 This Week
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  • 20
    Open Dynamics Engine
    A free, industrial quality library for simulating articulated rigid body dynamics - for example ground vehicles, legged creatures, and moving objects in VR environments. It's fast, flexible & robust. Built-in collision detection.
    Downloads: 10 This Week
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  • 21
    robotfindskitten

    robotfindskitten

    robotfindskitten: a Zen simulation

    In 1997, Peter A. Peterson II held a contest for his now-defunct Nerth Pork magazine. The goal: come up with the best piece of art entitled "robotfindskitten". Leonard Richardson submitted the winning (read: only) entry, a Zen Simulation.
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    Downloads: 22 This Week
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  • 22
    XPilot
    XPilot is a multi-player 2D space game for both local and Internet gaming. Some features are borrowed from classics like the Atari coin-ups Asteroids and Gravitar, and the home-computer games Thrust and Gravity Force, but XPilot has many new aspects too.
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    Downloads: 32 This Week
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  • 23
    Clou! Open Source Project

    Clou! Open Source Project

    The Clue! / Der Clou!

    The Clue! (known as Der Clou! in Austria) is a 1994 remake of the 1986 game They Stole a Million. It would form a two game series, with a sequel following in 2001, under the guise of The Sting! or Der Clou 2!. The Clue! is a mixture of many video game genres. It can be described as role-playing adventure game with tactical/strategy elements and puzzles in the form of burglaries. The gameplay is composed of two different modes - most of the time, the player is travelling around the city of London and talking with people using point-and-click interface like in classical adventure games, while more strategy-like top-down perspective is used for the actual planning of the heists. [...] (From Wikipedia, the free encyclopedia)
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    Downloads: 31 This Week
    Last Update:
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  • 24
    A realtime interface between Microsoft Flight Simulator X / 2004 and Internet based satellite map servers. Downloads satellite terrain at up to 30cm/pixel as you fly. The latest version adds a static photo scenery for FSX to speed up things!
    Downloads: 8 This Week
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  • 25
    XHSI - glass cockpit for X-Plane 10 & 11
    XHSI (eXternal High-resolution Simulator Instruments) is an add-on for the X-Plane flight simulator. It displays the PFD, ND, EICAS, Flaps and Gear indicator, Clock/Chronometer, etc... in separate windows. In general, the instruments can be displayed in B737-NG or A320 style.
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    Downloads: 22 This Week
    Last Update:
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