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.

  • Our Free Plans just got better! | Auth0 Icon
    Our Free Plans just got better! | Auth0

    With up to 25k MAUs and unlimited Okta connections, our Free Plan lets you focus on what you do best—building great apps.

    You asked, we delivered! Auth0 is excited to expand our Free and Paid plans to include more options so you can focus on building, deploying, and scaling applications without having to worry about your security. Auth0 now, thank yourself later.
    Try free now
  • Go from Code to Production URL in Seconds Icon
    Go from Code to Production URL in Seconds

    Cloud Run deploys apps in any language instantly. Scales to zero. Pay only when code runs.

    Skip the Kubernetes configs. Cloud Run handles HTTPS, scaling, and infrastructure automatically. Two million requests free per month.
    Start Free
  • 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moved to Github: https://github.com/BZFlag-Dev/bzflag (The SourceForge binary releases for Windows and macOS are very outdated.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.)
    Leader badge
    5.0 out of 5 stars 17 Reviews
    Downloads: 3,618 This Week
    Last Update:
    See Project
  • 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.
    Leader badge
    4.7 out of 5 stars 92 Reviews
    Downloads: 1,181 This Week
    Last Update:
    See Project
  • 3
    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.
    Leader badge
    5.0 out of 5 stars 4 Reviews
    Downloads: 738 This Week
    Last Update:
    See Project
  • 4
    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
    Leader badge
    5.0 out of 5 stars 4 Reviews
    Downloads: 307 This Week
    Last Update:
    See Project
  • Paessler: Easy to Use With Enterprise Power. Free Trial Icon
    Paessler: Easy to Use With Enterprise Power. Free Trial

    A low-code dashboard makes monitoring intuitive for any admin, while scripting and custom sensors give experts full control.

    You shouldn't have to choose between a monitoring tool that's easy to use and one that's powerful enough for a complex environment. PRTG's low-code interface lets any admin build dashboards, set alerts and monitor devices without scripting, while custom sensors and full API access are there when your team needs deeper control. One platform, no compromise. Download a free 30-day trial now.
    Get Free Download
  • 5
    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.
    4.7 out of 5 stars 15 Reviews
    Downloads: 167 This Week
    Last Update:
    See Project
  • 6
    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.
    4.2 out of 5 stars 10 Reviews
    Downloads: 95 This Week
    Last Update:
    See Project
  • 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.
    4.6 out of 5 stars 18 Reviews
    Downloads: 57 This Week
    Last Update:
    See Project
  • 8
    SRB2Kart

    SRB2Kart

    SRB2 Kart Public

    Sonic Robo Blast 2 Kart is a free, open-source kart racing game based on the Sonic Robo Blast 2 engine. It features Sonic-inspired characters competing across colorful three-dimensional racing tracks. Players can drift around corners, collect power-ups, and use offensive or defensive items against opponents. The game emphasizes momentum-based driving and advanced techniques such as sliptiding and water skipping. It includes Race and Battle modes with numerous community-created courses. Multiplayer supports up to four players locally through split-screen and up to 16 players online. A Time Attack mode challenges players to beat staff ghosts and earn medals. The game also supports custom characters, tracks, and modifications through community add-ons.
    Downloads: 4 This Week
    Last Update:
    See Project
  • 9
    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.
    5.0 out of 5 stars 8 Reviews
    Downloads: 16 This Week
    Last Update:
    See Project
  • 99.99% Uptime for MySQL and PostgreSQL Databases Icon
    99.99% Uptime for MySQL and PostgreSQL Databases

    Sub-second maintenance. 2x read/write performance. Built-in vector search for AI apps.

    Cloud SQL Enterprise Plus delivers near-zero downtime with 35 days of point-in-time recovery. Supports MySQL, PostgreSQL, and SQL Server.
    Start Free
  • 10

    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/
    Leader badge
    Downloads: 39 This Week
    Last Update:
    See Project
  • 11
    SpaceZero

    SpaceZero

    A 2D Real Time Strategy space combat game.

    SpaceZero is a RTS 2D space combat, single and multiplayer (two players by now) net game. Your objective is to conquer all space. At the starting point the player owns a spaceship which has landed on a planet. Your first task is to acquire new spaceships and find new planets in the Galaxy.
    4.5 out of 5 stars 4 Reviews
    Downloads: 5 This Week
    Last Update:
    See Project
  • 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: 19 This Week
    Last Update:
    See Project
  • 13
    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.
    5.0 out of 5 stars 5 Reviews
    Downloads: 3 This Week
    Last Update:
    See Project
  • 14
    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.
    5.0 out of 5 stars 1 Review
    Downloads: 5 This Week
    Last Update:
    See Project
  • 15
    A recreation of the "The Elder Scrolls III: Morrowind" engine with plans to add support for multiplayer along with upgraded graphics, physics, and AI.
    4.6 out of 5 stars 10 Reviews
    Downloads: 2 This Week
    Last Update:
    See Project
  • 16
    mod_MumbleLink

    mod_MumbleLink

    Positional Audio Communication for Minecraft with Mumble

    A Mod so that Minecraft now natively supports Mumble's positional audio feature. This means: Directional and positionally attenuated VOIP in relation to the game world. Please visit the Forum for information about the newest Version! Main Forum-Thread: http://www.minecraftforum.net/forums/mapping-and-modding/minecraft-mods/1272675 TheSkorm's Fork on GitHub: https://github.com/TheSkorm/mod_mumblelink Mumble: http://mumble.sourceforge.net Donations are greatly appreciated: https://sourceforge.net/donate/?user_id=2370023
    5.0 out of 5 stars 5 Reviews
    Downloads: 1 This Week
    Last Update:
    See Project
  • 17
    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: 4 This Week
    Last Update:
    See Project
  • 18
    Vanilla-oIT

    Vanilla-oIT

    An unmodified version of the MMORPG Impressive Title by KovuLKD

    A courtesy to the KITO community and all those nice people I got to know along the way. The title says it: This is a vanilla unmodified Impressive Title server hosted by me and released by the KITO community. It's intended mostly for testing and those rare few, who want nostalgia. Impressive Title was made open source in 2011 by KovuLKD: The original creator of the game. It was later maintained by the KITO community, which is still acting as a beacon for various oIT creators and server owners. - This server is ONLINE! - create your own TLK lion and hunt down prey while gathering items and more - you can use this client for testing and modify the media - you are able to spawn prey and items in campaign/offline mode - you can teleport to other maps in multiplayer and campaign Vanilla-oIT Project Website: https://minerva-services.net/software/vanilla-oit.php
    Downloads: 4 This Week
    Last Update:
    See Project
  • 19
    Q3Rally Standalone
    This is the standalone Version of Q3Rally. Version 0.3c is up to date. This is a full release.
    Downloads: 3 This Week
    Last Update:
    See Project
  • 20
    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: 2 This Week
    Last Update:
    See Project
  • 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: 2 This Week
    Last Update:
    See Project
  • 22
    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: 1 This Week
    Last Update:
    See Project
  • 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:
    See Project
  • 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:
    See Project
  • 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:
    See Project
  • Previous
  • You're on page 1
  • 2
  • 3
  • 4
  • Next