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

  • Enterprise-grade ITSM, for every business Icon
    Enterprise-grade ITSM, for every business

    Give your IT, operations, and business teams the ability to deliver exceptional services—without the complexity.

    Freshservice is an intuitive, AI-powered platform that helps IT, operations, and business teams deliver exceptional service without the usual complexity. Automate repetitive tasks, resolve issues faster, and provide seamless support across the organization. From managing incidents and assets to driving smarter decisions, Freshservice makes it easy to stay efficient and scale with confidence.
    Try it Free
  • 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
  • 1
    TripleA Maps

    TripleA Maps

    A collection of all maps and games made for the TripleA game engine

    http://www.triplea-game.org/
    Leader badge
    Downloads: 460 This Week
    Last Update:
    See Project
  • 2
    MegaMek
    MegaMek is a networked Java clone of BattleTech, a turn-based sci-fi boardgame for 2+ players. Fight using giant robots, tanks, and/or infantry on a hex-based map. Development currently occurs on GitHub (see https://github.com/MegaMek). This SF page remains as a mirror and archive of the old issue trackers. The trackers are currently locked and new issues should be created on the GitHub page.
    Downloads: 20 This Week
    Last Update:
    See Project
  • 3
    Crossfire RPG game

    Crossfire RPG game

    Cooperative multiplayer graphical RPG and adventure game

    Crossfire is a free, open-source, cooperative multi-player RPG and adventure game. Since its initial release, Crossfire has grown to encompass over 150 monsters, 3000 areas to explore, an elaborate magic system, 13 races, 15 character classes, and many powerful artifacts scattered far and wide. Set in a fantastical medieval world, it blends the style of Gauntlet, NetHack, Moria, and Angband.
    Downloads: 31 This Week
    Last Update:
    See Project
  • 4
    Colossus is a Java clone of the boardgame Titan, a turn-based fantasy wargame for 2-6 players. Each player moves stacks of creatures around a strategic board, recruiting more creatures and fighting enemy stacks on tactical maps.
    Leader badge
    Downloads: 15 This Week
    Last Update:
    See Project
  • Crowdtesting That Delivers | Testeum Icon
    Crowdtesting That Delivers | Testeum

    Unfixed bugs delaying your launch? Test with real users globally – check it out for free, results in days.

    Testeum connects your software, app, or website to a worldwide network of testers, delivering detailed feedback in under 48 hours. Ensure functionality and refine UX on real devices, all at a fraction of traditional costs. Trusted by startups and enterprises alike, our platform streamlines quality assurance with actionable insights.
    Click to perfect your product now.
  • 5
    2D isometric MMORPG using the SDL framework. Daimonin offers a free public server at https://www.daimonin.org . A Unity client is also in active development.
    Downloads: 8 This Week
    Last Update:
    See Project
  • 6
    Planetmule
    Free-to-play multiplayer version of the 8-bit classic M.U.L.E.
    Leader badge
    Downloads: 28 This Week
    Last Update:
    See Project
  • 7
    Risk
    Risk has been renamed to Domination.
    Downloads: 3 This Week
    Last Update:
    See Project
  • 8

    Thermos

    MinecraftForge Server Software implementing the Spigot/Bukkit API

    Minecraft Forge Server Software implementing the Spigot/Bukkit API, formerly known as Cauldron/MCPC.
    Downloads: 13 This Week
    Last Update:
    See Project
  • 9

    Gametable

    Multi-user whiteboard emphasizing simplicity.

    Gametable (also known as GamenianTabele), is a Java-based shared whiteboard and chat client. It is designed primarily to provide an online tabletop interface. Draw directly, or place images, that all connected users can see and manipulate. RNG/dice functions supported, infinite table size, a few Z-order layers, pointer tools visible to everyone connected, stand along host server, and basic tagging and drawing tools. It specializes in simplicity, virtually no learning curve, and ease of use. Shared image files auto-propagate to other users (and only images, no other file type will propagate), which allow them to use a local cache to view shared spaces.
    Downloads: 2 This Week
    Last Update:
    See Project
  • Deliver secure remote access with OpenVPN. Icon
    Deliver secure remote access with OpenVPN.

    Trusted by nearly 20,000 customers worldwide, and all major cloud providers.

    OpenVPN's products provide scalable, secure remote access — giving complete freedom to your employees to work outside the office while securely accessing SaaS, the internet, and company resources.
    Get started — no credit card required.
  • 10
    LandsDiscordBot

    LandsDiscordBot

    Adds Discord Functionality to Lands.

    This plugin adds Discord functionality to the spigot plugin Lands. It allows land owners to create a channel for their land so they can chat from Discord with their land members online at the Minecraft server. Also you can view top lands in Discord, receive land and war notifications and more to come.
    Downloads: 9 This Week
    Last Update:
    See Project
  • 11
    The fortbattle player replays a fortbattle of the browser game "The West" (http://www.the-west.net). It displays the battle like the ingame flash player, but you can control the speed, skip rounds and see some statistics. Ingame use req. GreaseMonk
    Downloads: 3 This Week
    Last Update:
    See Project
  • 12
    JayMontana36 Pre-Built Minecraft Servers

    JayMontana36 Pre-Built Minecraft Servers

    Free Minecraft Servers tweaked for a lag-free experience!

    Free Minecraft Servers that come with a few of the most popular used plugins pre-installed by default, all preconfigured for a lag-free experience! - Optimized for low-end systems (beast-like on medium to high end systems). - Low RAM usage/requirements/consumption. - CrossCompatible between many different versions of Minecraft. - One Server Supports all 1.4.x, 1.5.x, 1.6.x, 1.7.x, 1.8.x, 1.9.x, 1.10.x, 1.11.x, 1.12, 1.12.2 clients all at the same time. - Fully Supports Linux, Windows, and Mac OS X. - Officially supports the MineOS Web UI created and owned by Will Dizon (this project however, is not affiliated with the MineOS Web UI nor William Dizon).
    Downloads: 8 This Week
    Last Update:
    See Project
  • 13
    This is my current project. The base idea of the game is currently Diablo 2 LOD, but it should evolve. If you would like to join, contact me at virgul.thriss@gmail.com. Most help needed is around Art, Story Line, names, Ideas, and Beta Testing.
    Downloads: 2 This Week
    Last Update:
    See Project
  • 14
    Develop an experimental framework for simulated multiplayer (model) railroads. It could be based on the VRML/X3D standard and it could use internal scripting with ECMAScript and MU systems that provide network sensor interfaces. Project Homepage: http://simulrr.sourceforge.net The SRR Framework has been used by the SrrTrains v0.01 project Demo 2012: https://www.youtube.com/watch?v=bHBwXmMfF1c Home of SrrTrains: https://lc-soc-lc.at/host
    Downloads: 3 This Week
    Last Update:
    See Project
  • 15
    Minecraft Name Checker

    Minecraft Name Checker

    Minecraft Name Availability Checker

    A Minecraft tool that checks to see if an account name is available or currently taken. The program is written entirely in Java and exported to an executable. A text file (one name per line) can also be read and checked. An output file "available.txt" will be created with usable names in the same directory as the selected read file.
    Downloads: 5 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
    Downloads: 1 This Week
    Last Update:
    See Project
  • 17

    Cinema for Bukkit

    Animates Blocks.

    ever wanted to make a pixelart movie in minecraft? well now you can!
    Downloads: 2 This Week
    Last Update:
    See Project
  • 18

    Bengine

    Free strategy browsergame engine.

    Galactic strategy Open Source browsergame. Replacement of the former game Net-Assault.
    Downloads: 3 This Week
    Last Update:
    See Project
  • 19
    BukkitUI

    BukkitUI

    A Simple and Easy to Use User Interface for Private Bukkit Servers

    BukkitUI is a user interface replacement for the Bukkit console. It makes life as a server owner much easier, as it requires you to press a few buttons, until you have a running server! BukkitUI is written in Java, and is designed to be cross-platform, so Linux users (like me) have as much a chance at running a Bukkit server as Windoze users. BukkitUI has following
    Downloads: 2 This Week
    Last Update:
    See Project
  • 20
    PTkEI2ng

    PTkEI2ng

    New version of PTkEI2, the cross-platform GUI client for Wolfpack Empi

    New version of PTkEI2, the cross-platform GUI client for Wolfpack Empire
    Downloads: 2 This Week
    Last Update:
    See Project
  • 21
    Designed to be an multiplayer game that will have to play as an arcade game on a website. The project is carried out here, from planning, through development to final commissioning of students studying computer science.
    Downloads: 1 This Week
    Last Update:
    See Project
  • 22
    TBattle is a multiplayer Tetris™ like game. Up to five players at once can play in a battle where the players decide the game speed. Check out the project web page for more information.
    Downloads: 1 This Week
    Last Update:
    See Project
  • 23
    X-Core

    X-Core

    The original Xivio.com World Server Core

    Xivio.com was a commercial children's virtual world website created in 2006 by Gavin Conrad. This is the legacy World Server Java Core made available to the world to do with as it wishes.
    Downloads: 1 This Week
    Last Update:
    See Project
  • 24
    Bagh Bandi - Surround the Tiger

    Bagh Bandi - Surround the Tiger

    Bagh Bandi - 2 player board game

    Bagh bandi is a two-player abstract strategy board game from Lower Bengal, India. It is a hunt game. It uses an Alquerque board, and therefore, Bagh bandi is specifically a tiger hunt game (or tiger game). There are two tigers attempting to elude and capture as many goats while the goats are attempting to surround and trap the tigers. An interesting and uncommon feature in this game is that the goats are piled up on four points of the board at the beginning of the game. Piling up pieces is an unusual feature in hunt games or any board game in general. The only other hunt game that uses this feature is Sher-bakar, a game closely related to Bagh bandi.
    Downloads: 1 This Week
    Last Update:
    See Project
  • 25
    MCSyncing to keep MC up to date.
    Downloads: 1 This Week
    Last Update:
    See Project
  • Previous
  • You're on page 1
  • 2
  • 3
  • 4
  • 5
  • Next
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.