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

  • Build Agents and Models on One Platform Icon
    Build Agents and Models on One Platform

    Everything you need to build production-ready agents and models. Access 200+ Google and third-party AI models and tools.

    Gemini Enterprise Agent Platform is Google Cloud's comprehensive platform for developers to build, scale, govern, and optimize agents and models. Choose from Google's most advanced models and third-party models like Anthropic's Claude Model Family.
    Start Free
  • 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
  • 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moved to Github: https://github.com/BZFlag-Dev/bzflag (The SourceForge binary releases for Windows and macOS are very outdated.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
    Downloads: 3,982 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
    Downloads: 313 This Week
    Last Update:
    See Project
  • 3
    M.A.R.S. - a ridiculous Shooter
    This is a first attempt to create a game in OpenGL with SFML. It is a game for two players, flying with ships in a two-dimensional space setting, governed by the laws of gravity. There are several game modes and a lot of weapons.
    Downloads: 9 This Week
    Last Update:
    See Project
  • 4
    Outer Space
    An on-line strategy game which takes place in the dangerous universe. You will become powerful commander of many stars, planets, and great fleets and will struggle for survival with other commanders.
    Downloads: 3 This Week
    Last Update:
    See Project
  • Build Data Resilience - Take the Assessment Today Icon
    Build Data Resilience - Take the Assessment Today

    Can you recover when it matters most? Take this quick assessment to identify gaps and build greater recovery confidence.

    Is your recovery strategy as strong as you think? Take this quick self-assessment to check your recovery readiness and gain tailored insights. In only 2 minutes, you'll learn where you fall on the recovery readiness scale.
    Take the Assessment
  • 5
    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: 8 This Week
    Last Update:
    See Project
  • 6
    Live Game Server List (LGSL)

    Live Game Server List (LGSL)

    LGSL (Live Game for PHP 5.4-8+: online status for various gameservers

    LGSL (Live Game Server List) for PHP 5.4-8.3+: online status for Discord, FiveM, Rust, CS, SA:MP, GMOD, Minecraft, Source Query, etc.
    Downloads: 3 This Week
    Last Update:
    See Project
  • 7
    8 Kingdoms
    8 Kingdoms is a 3D turn-based fantasy strategic game in which players become kings, build their empires and conquer enemy kingdoms.
    Downloads: 1 This Week
    Last Update:
    See Project
  • 8
    FLAW
    FLAW is a free top-down wizard battle game. It can be played by up to 5 players simultaneously. The goal of the game is to survive as long as possible while more and more fireballs appear in the arena. Gameplay is simple and self-explanatory. The desktop version is available on Windows and Linux - an Android port of has been made by David Lee Evans (https://github.com/DavidLeeEvans/FLAW) The game and all of its assets are licensed under the GNU General Public License Version 3 and may be modified, copied and redistributed under the terms of this license.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 9
    Browser toolbar game, where user is gaining exp&money by surfing the web, using items from the shop, ... http://ikw.cz project
    Downloads: 0 This Week
    Last Update:
    See Project
  • MongoDB Atlas runs apps anywhere Icon
    MongoDB Atlas runs apps anywhere

    Deploy in 115+ regions with the modern database for every enterprise.

    MongoDB Atlas gives you the freedom to build and run modern applications anywhere—across AWS, Azure, and Google Cloud. With global availability in over 115 regions, Atlas lets you deploy close to your users, meet compliance needs, and scale with confidence across any geography.
    Start Free
  • 10
    NationKZ Clan&Portal.
    Downloads: 0 This Week
    Last Update:
    See Project
  • Previous
  • You're on page 1
  • Next