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

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  • 1
    BZFlag - Multiplayer 3D Tank Game
    OpenSource OpenGL Multiplayer Multiplatform Battle Zone capture the Flag. 3D first person tank game. Download the latest version at https://www.bzflag.org/downloads/ Development has moved to Github: https://github.com/BZFlag-Dev/bzflag (The SourceForge binary releases for Windows and macOS are very outdated. Please download the latest version from our website.)
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    Downloads: 4,204 This Week
    Last Update:
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  • 2
    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.
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    Downloads: 202 This Week
    Last Update:
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  • 3
    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.
    Downloads: 98 This Week
    Last Update:
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  • 4
    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: 86 This Week
    Last Update:
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  • 5
    Crossfire RPG game

    Crossfire RPG game

    Cooperative multiplayer graphical RPG and adventure game

    Crossfire is a free and open-source cooperative multiplayer graphical RPG and adventure game. Set in a medieval fantasy world, it combines real-time action with traditional role-playing mechanics inspired by games such as Gauntlet, NetHack, Moria, and Angband. Players can choose from 14 races and 16 character classes, develop skills and magic, worship gods, complete quests, discover powerful artifacts, and explore thousands of interconnected maps filled with monsters, dungeons, cities, and adventures. Crossfire has been continuously developed since 1992 and remains an actively maintained community project.
    Downloads: 63 This Week
    Last Update:
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  • 6
    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: 57 This Week
    Last Update:
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  • 7
    Egoboo

    Egoboo

    Free 3D Roguelike action RPG

    Egoboo is a working cool 3D dungeon crawling game in the spirit of nethack. Currently it is supported by Windows, Linux and Mac.
    Downloads: 43 This Week
    Last Update:
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  • 8
    AssaultCube Reloaded

    AssaultCube Reloaded

    A fun realistic multiplayer free-and-open-source first-person-shooter!

    ACR is a fun realistic multiplayer free-and-open-source first-person-shooter! This project has moved to GitHub. A mirror of releases is here.
    Downloads: 16 This Week
    Last Update:
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  • 9

    coldev

    C/C++ , PHP, PYTHON, 3D ENGINES, CHROME NATIVE CLIENT

    + C/C++ and PHP projects, Python and Others + 3D ENGINES + Videogames Projects based in Bennugd http://www.bennugd.org Web Page https://coldev.sourceforge.io/
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    Downloads: 15 This Week
    Last Update:
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  • 10
    Galaxy Forces V2

    Galaxy Forces V2

    A 2D multiplayer space shooter game

    A 2D multiplayer space shooter, inspired by the Amiga classic Gravity Force. Play race, mission or dogfight. Single player, with friends or against AI. There are 50+ levels and a map-editor included. Global hi-score and achievements with replays on the website. The game plays on Windows, Linux and Mac.
    Downloads: 3 This Week
    Last Update:
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  • 11
    Lips of Suna

    Lips of Suna

    Tongue-in-cheek action RPG

    Lips of Suna is a tongue-in-cheek action RPG. It's an open world game that focuses on action heavy and versatile gameplay, dynamically changing game world and ease of customization and modding.
    Downloads: 1 This Week
    Last Update:
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  • 12
    TradeWars C

    TradeWars C

    A simple port of a Pascal version of TradeWars

    A "TradeWars" port of the old "TradeWars 200/QuixPlus" pascal into C. Currently targeting as many 16/32 environments as I can... Hopefully, soon multiuser!
    Downloads: 4 This Week
    Last Update:
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  • 13
    gmodes
    Examples how to make basic and clever addons and gamemodes using GarrysMod. Also in our svn repository there is a list of stuff maded by members of gmodspain.com. Those files enable future improvement and modifications for lua coders.
    Downloads: 4 This Week
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  • 14
    Rcon Controller for SA:MP

    Rcon Controller for SA:MP

    SA:MP server administration filterscript

    Rcon Controller: a SA:MP server administration tool. aims to provide real-time graphic/console monitoring / Instant managing. developed by CoolGuy.
    Downloads: 2 This Week
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  • 15
    ChaosEsqueAnthology

    ChaosEsqueAnthology

    A free 3d game for PC that does not limit the player. Fight,Build,Gain

    (NOTE: Make sure to download Volume2 aswell!: http://sourceforge.net/p/chaosesqueanthologyvolume2/ ) 200+ weapons. Build-able enter-able buildings (Like an FPS RPG but with interiors) (Multi-tool/ Utili-tool). City generation (all buildings enterable). A 2 iso (6GB) exploration of what QuakeC can do. Over 100 maps included, along with map editor and sourcecode. Fully free and opensource: code and media. A modification of Xonotic which included extended weapons, maps, vehicles, buildable buildings, mounted weapons, spell casting, monsters, player characters, textures, and game mode (such as colorwar (think liquidwar)) To pick up items press F. To enter vehicles/mountedguns press F. To reload press R. To walk press W A S D (direction) To jump press SpaceBar Dev Enviorment (git repos) in tar.gz: https://sourceforge.net/projects/chaosesquedevenv/ DVD Case and DVD Labels and Extras (ISO signing info): https://sourceforge.net/projects/chaoseesquesupplemental/
    Downloads: 3 This Week
    Last Update:
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  • 16
    ElSword Archiver

    ElSword Archiver

    ElSword KOM Archiving Tool

    This tool is capable to extract and extract ElSword's (and Grand Chase's) KOM Mass Files. WARN: Dunno if it's a good idea to add the support of the newest crypto, so gimme time for that.
    Downloads: 3 This Week
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  • 17
    syzygy is an attempt at making a free open source version of the popular 6DoF game Descent.
    Downloads: 3 This Week
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  • 18
    MegaGlest

    MegaGlest

    Cross-platform real-time strategy game (3D)

    _________________________________________________________________________________________________________________________________________________________ PLEASE NOTE: Downloads and repositories have moved to GitHub at http://github.com/megaglest _________________________________________________________________________________________________________________________________________________________ MegaGlest is a free real-time strategy (RTS) game. It's fun to play in both single and multi-player modes (same or cross platform on LAN or Internet) and has lots of game content for endless playing. It forked from (no longer maintained) RTS classic Glest in 2010 and has since added several new features while improving on previously existing ones. MegaGlest is available for Linux, Windows, OS X and other systems. It also drives ot
    Downloads: 2 This Week
    Last Update:
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  • 19
    Vocaluxe
    Vocaluxe is an open source singing game inspired by SingStar™ and Ultrastar Deluxe. The code is hosted on github: https://github.com/Vocaluxe/Vocaluxe
    Downloads: 2 This Week
    Last Update:
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  • 20
    Snakes

    Snakes

    An Snakes Game with Advanced AI in C Lang

    An Snakes Game with Advanced AI in C Language
    Downloads: 1 This Week
    Last Update:
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  • 21
    Tic-tac-toe GBA

    Tic-tac-toe GBA

    A Tic Tac Toe game for the GBA

    A Tic Tac Toe game for GBA I made as one of my university course project.
    Downloads: 1 This Week
    Last Update:
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  • 22
    Wolfpack Empire - BBS Door

    Wolfpack Empire - BBS Door

    The classic multiplayer strategy game for use as a BBS door

    The classic multiplayer strategy game for use as a BBS door. Points you to our official server. Get the GUI clients here: https://sourceforge.net/p/ptkei2ng/ and here: https://sourceforge.net/projects/winace/
    Downloads: 1 This Week
    Last Update:
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  • 23
    ASS is a project to implement an ELITE-style game with multiplayer capabilities, realistic and physically correct movement in space, trading, lots of ships, planets, guilds, fighting, exploring, aliens, evolving technology... Everything...
    Downloads: 0 This Week
    Last Update:
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  • 24

    Advanced Tactical Wasteland

    Advanced Wasteland mission using ACE for Arma II

    Advanced Tactical Wasteland is a mission for ArmA II that incorporates ACE mod into the 404games.co.uk Wasteland version. The main code development is being done on Github. https://github.com/KRDucky/Advanced-Tactical-Wasteland
    Downloads: 0 This Week
    Last Update:
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  • 25

    Arena1

    A little Bomberman clone programmed in C using SDL

    Controls Player 1: Moving: Arrow Keys Place bomb: Return Controls Player 2: Moving: W, A, S, D Place bomb: Tab
    Downloads: 0 This Week
    Last Update:
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