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

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  • 1
    ATC-pie

    ATC-pie

    Air traffic control tower and radar simulator (solo + multi-player)

    ATC-pie is an air traffic control simulation program. It features solo, multi-player and teacher-student sessions, rendering 3D views of airports through FlightGear. It is essentially designed for realism, and simulates real-life ATC tasks and equipment such as strip racks and sequence management, handovers to/from neighbouring controllers, flight plans, primary & secondary radars, RDF, CPDLC, ATIS recording...
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    Downloads: 149 This Week
    Last Update:
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  • 2
    America's Army 2.5 Assist

    America's Army 2.5 Assist

    Classic America's Army

    A GUI client application for Downloading Installing and Playing Americas Army 2.5 on Windows, Mac and Linux with a new custom authorization system. On the server side a Desktop server manager for Windows, Mac and Linux and a Command line dedicated server manager for Windows and Linux. Backend server components include a replacement authorization system using the Battletracker account & stats database and a PunkBuster log streaming server which records players possible cheating activities.
    Leader badge
    Downloads: 63 This Week
    Last Update:
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  • 3
    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: 48 This Week
    Last Update:
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  • 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
    Downloads: 33 This Week
    Last Update:
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  • 5
    CraftBukkit-CommandsEX

    CraftBukkit-CommandsEX

    Modular Minecraft server plugin - commands, events, ...

    This project gives you freedom to get a fully-customized plugin for CraftBukkit Minecraft servers. You choose what to include and build it up. No more command collisions, no unnecessary memory and processor overhead on your server.
    Downloads: 19 This Week
    Last Update:
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  • 6
    It's a HL² mod. it's a first personnal shooter where there are zombies.
    Downloads: 8 This Week
    Last Update:
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  • 7
    SpaceNOutX

    SpaceNOutX

    Space Exploration Game

    http://templates.services.openoffice.org/en/template/lulucom-cd-dvd-label (another very old app, server side code was lost) SpaceNOutX is a flash/php based game that (will) let players carve out their own piece of a a virtual universe. Creating a new user and the map system should work. Load the map then zoom waaaaay out to see probably the coolest thing about the game so far. This version is being compiled from several previous versions from Android, BASIC, and ActionScript.
    Downloads: 2 This Week
    Last Update:
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  • 8
    Open Online Football Manager (O2FM)

    Open Online Football Manager (O2FM)

    A open-source online football manager like hattrick

    A open-source online football manager like hattrick Follow us on twitter: @open_ofm.
    Downloads: 1 This Week
    Last Update:
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  • 9
    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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  • 10

    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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  • 11
    Single or multiplayer strategy game centered around evolution. Cells dynamically interact with their world based on evolved abilities. Accumulation of evolution points allows you to evolve select members of your cell colony.
    Downloads: 0 This Week
    Last Update:
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  • 12
    Cosmos Tycoon

    Cosmos Tycoon

    Cosmos Tycoon is a open source transport simulation browser game.

    Cosmos Tycoon is a open source transport simulation browser game. Written in JavaScript with webGL support. NodeJS Server for multiplayer games. Control your own company. Build a large fleet of cargo space ship, space stations, jump gates and much more...
    Downloads: 0 This Week
    Last Update:
    See Project
  • 13
    Distributed Fair Dice Roller is a Java component that provides online games with a set of fair dice. Clients each contribute to the dice results, and can verify that all rolls were random, fair, and no other player could cheat.
    Downloads: 0 This Week
    Last Update:
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  • 14
    Fallen Heroes
    Fallen Heroes is an MMO Post Apocalyptic top-down shooter coded and developed by Michael Gardone. The game is currently in: Alpha.
    Downloads: 0 This Week
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  • 15
    HoverRace is an original, multi-player racing game specially designed to be played online. Your goal is to be the first to drive your turbine engine-propelled hovercraft to the finish line.
    Downloads: 0 This Week
    Last Update:
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  • 16
    MV3D is an open source virtual world simulation framework written in Python. It was designed with scalability in mind and aims to be able to distribute a world across as many servers as needed while dynamically balancing the load.
    Downloads: 0 This Week
    Last Update:
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  • 17
    Opensource client-server game for multiplayer boat race simulation Server is java-based (no J2EE) Clients are java-based (Android compliant)
    Downloads: 0 This Week
    Last Update:
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  • 18
    Replex Viewer

    Replex Viewer

    Viewer for Second Life and OpenSim virtual worlds

    Second Life and OpenSim Viewer focusing on performance and familiar V1 interface. Based on Singularity.
    Downloads: 0 This Week
    Last Update:
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  • 19

    Roccomaniac

    A Java learning Project with libgdx

    This is at first a Java learning Project. Whenever something like a success arrives, it will be a spacelike 2D multiplayer Shooting-Game.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 20
    Sapphire Viewer
    A viewer for second life being built from the ground up on top of the Ogre graphics engine
    Downloads: 0 This Week
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  • 21

    Sarcoex's Platform Wars

    A arcade based tycoon game where the player builds and sells computers

    Downloads: 0 This Week
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    See Project
  • 22
    Space Station 13D

    Space Station 13D

    3D Space Station Simulator (inspired by SS13)

    Downloads: 0 This Week
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  • 23
    Widelands
    Note: Widelands is now hosted by launchpad: http://launchpad.net/widelands. Historical downloads and the mailinglist remain on sf.net.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 24
    Foobar1914 will be a very complex and detailed browser game, in which the player takes control of one nation in the time around 1914 to 1945.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 25
    This is a 2D shooting action game for two players for GNU/Linux, Mac OS X, and Windows. Current release written in C++ using the SDL library with its extensions. Next release will be in Java.
    Downloads: 0 This Week
    Last Update:
    See Project
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