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

  • Simple, Secure Domain Registration Icon
    Simple, Secure Domain Registration

    Get your domain at wholesale price. Cloudflare offers simple, secure registration with no markups, plus free DNS, CDN, and SSL integration.

    Register or renew your domain and pay only what we pay. No markups, hidden fees, or surprise add-ons. Choose from over 400 TLDs (.com, .ai, .dev). Every domain is integrated with Cloudflare's industry-leading DNS, CDN, and free SSL to make your site faster and more secure. Simple, secure, at-cost domain registration.
    Sign up for free
  • Get the most trusted enterprise browser Icon
    Get the most trusted enterprise browser

    Advanced built-in security helps IT prevent breaches before they happen

    Defend against security incidents with Chrome Enterprise. Create customizable controls, manage extensions and set proactive alerts to keep your data and employees protected without slowing down productivity.
    Download Chrome
  • 1
    Luma3DS

    Luma3DS

    Noob-proof (N)3DS Custom Firmware

    Luma3DS is a program to patch the system software of (New) Nintendo (2)3DS handheld consoles "on the fly", adding features such as per-game language settings, debugging capabilities for developers, and removing restrictions enforced by Nintendo such as the region lock. It also allows you to run unauthorized ("homebrew") content by removing signature checks. To use it, you will need a console capable of running homebrew software on the Arm9 processor. Since v8.0, Luma3DS has its own in-game menu, triggerable by L+Down+Select.
    Downloads: 39 This Week
    Last Update:
    See Project
  • 2
    An open source NES Emulator for Windows and Unix that features solid emulation accuracy and state of the art tools for power users. FCEUX's source code is now hosted at https://github.com/TASVideos/fceux/ win32 autobuilds @ https://ci.appveyor.com/project/zeromus/fceux/build/artifacts
    Leader badge
    Downloads: 220 This Week
    Last Update:
    See Project
  • 3
    Hexen II: Hammer of Thyrion

    Hexen II: Hammer of Thyrion

    A cross-platform port of Hexen II game.

    Hammer of Thyrion (uHexen2) is a cross-platform port of Raven Software's Hexen II source. It is based on an older linux port, Anvil of Thyrion. HoT includes countless bug fixes, improved music, sound and video modes, opengl improvements, support for many operating systems and architectures, and documentation among many others.
    Leader badge
    Downloads: 169 This Week
    Last Update:
    See Project
  • 4
    Tux Racer is a simple OpenGL-based racing game featuring Tux, the Linux Penguin. The object of the game is to slide down a snow- and ice-covered mountain as quickly as possible, avoiding the trees and rocks that will slow you down.
    Leader badge
    Downloads: 221 This Week
    Last Update:
    See Project
  • Gen AI apps are built with MongoDB Atlas Icon
    Gen AI apps are built with MongoDB Atlas

    The database for AI-powered applications.

    MongoDB Atlas is the developer-friendly database used to build, scale, and run gen AI and LLM-powered apps—without needing a separate vector database. Atlas offers built-in vector search, global availability across 115+ regions, and flexible document modeling. Start building AI apps faster, all in one place.
    Start Free
  • 5
    An open-source emulator for the 3DO Game Console.
    Leader badge
    Downloads: 157 This Week
    Last Update:
    See Project
  • 6
    Nexuiz is a multiplayer first-person shooter. It is distributed under the GNU General Public License (GPLv2). Version 1.0 was released on May 31, 2005. The current version is, 2.5.2.
    Leader badge
    Downloads: 126 This Week
    Last Update:
    See Project
  • 7
    JudoShiai is a set of programs that help to organize a judo tournament.
    Leader badge
    Downloads: 134 This Week
    Last Update:
    See Project
  • 8
    UFO:Alien Invasion
    It is the year 2084. You control a secret organisation charged with defending Earth from a brutal alien enemy. Build up your bases, prepare your team, and dive head-first into the fast and flowing turn-based combat.
    Downloads: 94 This Week
    Last Update:
    See Project
  • 9
    Switch theme injector

    Switch theme injector

    Create custom themes for the Nintendo Switch

    The Switch theme injector project is split into three parts. Switch theme injector (Windows app): An app to create and edit custom themes. NXThemes installer: An homebrew app that runs on the switch itself and can be used to install and manage themes. Switch theme injector online (also called WebInjector): A port of the Windows injector as a web app, it lacks some features like custom applet icons and common.szs layouts support. The main objective is to develop a complete toolset to create and install custom themes on the switch. As the console os doesn't implement custom themes natively most of this is done by patching system SZS files to get the desired aspect. Unfortunately, SZS files from the switch os contain copyrighted data and can't be shared online that's why the nxtheme format has been developed, it contains only differential info and can be freely shared. Unless you're dealing with making your own patches and custom layouts you should only use nxtheme files.
    Downloads: 21 This Week
    Last Update:
    See Project
  • Build Securely on Azure with Proven Frameworks Icon
    Build Securely on Azure with Proven Frameworks

    Lay a foundation for success with Tested Reference Architectures developed by Fortinet’s experts. Learn more in this white paper.

    Moving to the cloud brings new challenges. How can you manage a larger attack surface while ensuring great network performance? Turn to Fortinet’s Tested Reference Architectures, blueprints for designing and securing cloud environments built by cybersecurity experts. Learn more and explore use cases in this white paper.
    Download Now
  • 10
    OpenArena

    OpenArena

    Free and open source FPS based on Quake III Arena

    OpenArena aims to be a free, yet compatible clone of Quake III Arena. It also strives to add subtle enhancements such as new gametypes, playermodels and of course maps! Further improvements are incorporated by using the ioquake3 engine.
    Leader badge
    Downloads: 148 This Week
    Last Update:
    See Project
  • 11
    AMX Mod X
    AMX Mod X is a Metamod plugin which allows you to write modifications for Half-Life with Small scripting language. It provides in-game administration tools, game statistics, server management and gameplay modificators. It is based on the original AMX Mod
    Leader badge
    Downloads: 107 This Week
    Last Update:
    See Project
  • 12
    gltron was inspired by the film tron - actually, more by all the games that where inspired by the film tron :-) It's a game for one to four players, the objective is not to drive into a wall.
    Leader badge
    Downloads: 131 This Week
    Last Update:
    See Project
  • 13
    AA means Ascii Art - the AAlib (ascii art GFX library), BB (audiovisual demonstration for your terminal), aview (image browser/animation player), AAvga (SVGAlib wrapper for AA-lib), ttyquake (text mode quake), aa3d (random dot stereogram generator)...
    Leader badge
    Downloads: 164 This Week
    Last Update:
    See Project
  • 14
    mcrcon

    mcrcon

    Console based rcon client for minecraft servers.

    Mcrcon is IPv6 compliant minecraft rcon client with bukkit coloring support. It is well suited for remote administration and to be used as part of automated server maintenance scripts. - Does not trigger "IO: Broken pipe" or "IO: Connection reset" spam bug on server side. - Has workaround for server side bug (https://bugs.mojang.com/browse/MC-154617) ****************************************************************** Further development and new releases has moved to Github Github page: https://github.com/Tiiffi/mcrcon Official upstream: https://github.com/Tiiffi/mcrcon/releases https://api.github.com/repos/tiiffi/mcrcon/releases/latest ******************************************************************
    Leader badge
    Downloads: 125 This Week
    Last Update:
    See Project
  • 15
    nInvaders is a Space Invaders clone based on ncurses for ASCII output.
    Leader badge
    Downloads: 122 This Week
    Last Update:
    See Project
  • 16
    Bombermaaan
    A classic Bomberman game with multiplayer support, cloned on original SNES games. Also similar to Dynablaster. Developed in C++. Runs on Win32 and Linux. Update 2019-09-22: sorry, there's no progress currently.
    Leader badge
    Downloads: 97 This Week
    Last Update:
    See Project
  • 17
    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.
    Leader badge
    Downloads: 414 This Week
    Last Update:
    See Project
  • 18
    nesDS

    nesDS

    NES console emulator on NDS

    A open-source NES emulator for the Nintendo DS. It can be compiled with GCC(devkitPRO/devkitARM, the version supported) or ADS(the original version, no update).
    Downloads: 72 This Week
    Last Update:
    See Project
  • 19
    0 A.D.

    0 A.D.

    0 A.D. is a free, open-source, cross-platform real-time strategy game.

    0 A.D. (pronounced "zero ey-dee") is a cross-platform real-time strategy (RTS) game of ancient warfare. It's a historically-based war/economy game that allows players to relive or rewrite the history of ancient civilizations, each depicted at their peak of economic growth and military prowess.
    Downloads: 65 This Week
    Last Update:
    See Project
  • 20

    Scorched 3D

    A simple turn-based artillery game and also a real-time strategy game.

    Scorched3D incorporates lively, fully destructible 3D landscapes that include animated jets, naval vessels, water and even birds, with detailed tanks and projectiles and stunning visual effects. A simple turn-based artillery game and also a real-time strategy game in which players can counter each others' weapons with other creative accessories, shields and tactics. Test your skill in timing, aiming and judgement of distance, move around on the landscape, or outsmart your opponent economically.
    Downloads: 65 This Week
    Last Update:
    See Project
  • 21
    Commander Genius

    Commander Genius

    Commander Keen Interpreter

    This is a fork of CloneKeen. It fully interprets the classic dos games Commander Keen 1-6 including some fanmade mods and adds some nice twists like smoother gameplay, some special graphical effects and also music, which was missing in the first trilogy. Use our High Quality Pack and enjoy the Commander Keen series in a new way.
    Leader badge
    Downloads: 68 This Week
    Last Update:
    See Project
  • 22
    MAME4droid

    MAME4droid

    MAME Android Emulator.

    MAME4droid (0.139u1) is developed by David Valdeita (Seleuco), port of MAME 0.139u1 emulator by Nicola Salmoria and TEAM. MAME4droid (0.139u1) emulates arcade games supported by original MAME 0.139u1. This MAME4droid version is targeted to Dual-Core devices, because it is based on a high specs 2010 PC MAME build. Anyway don't expect arcade games of the 90 to work at full speed. With some games that are really bad optimized (like outrun or mk series) you will need at least a 1.5 ghz dual-core device (Cortex A15). This is related to MAME build used, since it is targeted to high specs PC's as i said before. This version emulates over 8000 different romsets. Please, try to understand that that with that amount of games, some will run better than others and some might not even run with MAME4droid. Please, don't email me asking for a specific game to run. Official web page for news, source code & additional information: http://code.google.com/p/imame4all/
    Leader badge
    Downloads: 91 This Week
    Last Update:
    See Project
  • 23
    Metamod-P is enhanced version of Metamod. It has dynamic link-entities and automatic detection of Mod DLL and other improvement to allow it work with future Half-Life Engine updates and new Mods and updates. It also has performance optimizations.
    Downloads: 68 This Week
    Last Update:
    See Project
  • 24
    Modified PrBoom port with uncapped framerate, variable gamespeed, re-record, walkcam, chasecam, full mouselook, fov and other features without loss of compatibility with original DOOM.
    Leader badge
    Downloads: 63 This Week
    Last Update:
    See Project
  • 25
    Doom 64 EX is a faithful recreation of the original game using the Doom source code as the base with the benefit from newer control methods like mouse look, high resolutions and color depth.
    Leader badge
    Downloads: 72 This Week
    Last Update:
    See Project
Want the latest updates on software, tech news, and AI?
Get latest updates about software, tech news, and AI from SourceForge directly in your inbox once a month.