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

  • 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.
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    Build Agents and Models on One Platform

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    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.
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  • 1
    Java Open Chess
    Java Open Chess is a project written in Java in NetBeans IDE. There is possibility to play for 2 players on local computers and via network connection. There is also an option to play versus quite weak computer oponent. Stronger computer oponens will be implemented soon. ATTENTION: Requires Java 1.8 or higher!
    Downloads: 7 This Week
    Last Update:
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  • 2
    Kendo Tournament Generator

    Kendo Tournament Generator

    Tool for managing a kendo tournament

    This software manage different kendo tournaments: from local simple championships to professional tournaments with high number of teams. The software can manage the registration of competitors, team generation, design of the tournament (simple, championship, manual, ... ). Also allows the creation of accreditations, list of teams and other documents in PDF useful for manage a real kendo tournament. Finally, it allows to obtain some statistics and feedback from each team and competitors.
    Downloads: 7 This Week
    Last Update:
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  • 3
    jClassicRPG
    Developing classic RPG framework with Java & OpenGL. An attempt to create a detailed, old-fashioned pen'n'paper like & turn based RPG with a decent story/AI and a huge place to play. Also includes a reference RPG. Blog: http://jcrpg.blogspot.com
    Downloads: 11 This Week
    Last Update:
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  • 4
    A cross-platform Duke3D (Duke Nukem 3D) port which provides many new features for mod authors, including an enhanced scripting system and OpenGL renderer. Go to http://www.eduke32.com for downloads and http://bit.ly/dn_3d to get the game!
    Downloads: 4 This Week
    Last Update:
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  • 99.99% Uptime for MySQL and PostgreSQL Databases Icon
    99.99% Uptime for MySQL and PostgreSQL Databases

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  • 5
    This is a game of Scotland Yard, which has been coded in Java. The moves of Mr. X are made by the program, while the human player makes the detective moves. The game works fine on both Windows and Linux platforms.
    Downloads: 4 This Week
    Last Update:
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  • 6
    Kochol Game Engine
    Kochol Game Engine(KGE) is an object-orianted hardware accelerated 3D Game engine. Easy to use and powerful engine for cutting edge games.
    Downloads: 19 This Week
    Last Update:
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  • 7

    rpgboss

    Built to be ease of use, with no programming knowledge, Multi-platform

    A 2d rpg game engine created to be ease of use. Built in Scala and libgdx. Also our community forums http://rpgboss.forumatic.com
    Downloads: 23 This Week
    Last Update:
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  • 8

    Cambridge Rocketry Simulator

    Simulate high power rocket flights with splash down plots

    This software allows you perform six degree of freedom simulations of High Power Rocket (HPR) and model rocket flights. Parachute descent is also simulated. 3D flight trajectories are produced as well as detailed tabular flight data. Running in Monte Carlo mode allows generates multiple possible flight paths and splash down plots, indicating the probability of landing in an area. Peer-reviewed publication in the Journal of Open Research Software (JORS) http://doi.org/10.5334/jors.137 "Cambridge Rocketry Simulator – A Stochastic Six-Degrees-of-Freedom Rocket Flight Simulator"
    Downloads: 18 This Week
    Last Update:
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  • 9
    Utility for translating language packs used in games into a different language. Supports over 50 games, with more games added through small plugins. Simple and easy-to-use interface, and totally free.
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    Downloads: 18 This Week
    Last Update:
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  • Host LLMs in Production With On-Demand GPUs Icon
    Host LLMs in Production With On-Demand GPUs

    NVIDIA L4 GPUs. 5-second cold starts. Scale to zero when idle.

    Deploy your model, get an endpoint, pay only for compute time. No GPU provisioning or infrastructure management required.
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  • 10
    SWTOR Combat Log Analyzer

    SWTOR Combat Log Analyzer

    Grafischer Kampflog Analyzer für SWTOR

    A new version (1.2) is out now! Check it out. Eine neue Version (1.2) ist draußen! Probiert es aus. Grouping the data (damage and heal) for each fight. Views with detailed data. Mit dem SWTOR Combatlog Analyser können die Kampflogs (gibt es seit SWTOR 1.2) ausgewertet werden. Viel Spass bei der Benutzung. With the SWTOR Combatlog Analyzer you are able to analyze the combat log of SWTOR (avaiable since 1.2). You must have Java 6 installed. Details are here: http://www.java.com/de/download/ Have fun! You will find details here: Details findest Du hier:
    Downloads: 18 This Week
    Last Update:
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  • 11
    Java port of the Quake2 game engine
    Downloads: 5 This Week
    Last Update:
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  • 12
    CarDriving
    The very basic of a java 3D car driving game, freely expandable including a built-in basic 3D object editor and a more complex road+objects editor. Source code available, no OpenGL.
    Downloads: 6 This Week
    Last Update:
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  • 13
    A computer version of the World War 2 tactical boardgame "Squad Leader" originally published by The Avalon Hill Games Company. Play any scenario against anyone around the world!
    Downloads: 6 This Week
    Last Update:
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  • 14
    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: 6 This Week
    Last Update:
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  • 15
    Minecraft Portable

    Minecraft Portable

    Portable Minecraft launcher for macOS

    A portable Minecraft launcher for macOS. This is the legacy Java-based Minecraft launcher. Minecraft, and the Minecraft Logo are trademarks of Mojang AB. http://mojang.com/, http://minecraft.net/
    Downloads: 17 This Week
    Last Update:
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  • 16
    Paint 2d

    Paint 2d

    Paint Program

    Paint Program for linux mint and Android
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    Downloads: 17 This Week
    Last Update:
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  • 17
    Gamegineer

    Gamegineer

    A virtual gaming tabletop

    Gamegineer provides a virtual tabletop for playing traditional board and card games over the Internet. It includes a framework for extending the tabletop to support new games and features.
    Downloads: 9 This Week
    Last Update:
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  • 18
    Javacska One (Jávácska One)
    According to my announcement on awards ceremony of „The IT trainer of the year”, Eurosmobil has opened source of some pieces of their mobile Java ME game software within the framework of my PhD Thesis entitled Mobile Game Design and Development..
    Downloads: 9 This Week
    Last Update:
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  • 19
    A consortium of developers and players to produce Open Source tools to enhance the experience of the groundbreaking Bioware game, Neverwinter Nights, including particularly module creation tools for linux and Mac OS X.
    Downloads: 9 This Week
    Last Update:
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  • 20
    SonOyuncu Makro 15+CPS

    SonOyuncu Makro 15+CPS

    Ücretsiz SonOyuncu macrosu, minimum 15CPS garantili.

    Bu program UfukGames tarafından yapılmıştır. Güvenli, hızlı ve az yer kaplar. SonOyuncu uygulamasının içine makro programımız konulmuştur. Oyun içinde eş zamanlı olarak açıp kapatabilirsiniz.
    Downloads: 9 This Week
    Last Update:
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  • 21
    A programming game in Beta. Binaries are available for Windows. Versions for POSIX/C++ compatible platforms are planned.
    Downloads: 16 This Week
    Last Update:
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  • 22
    Verwaltung von Helden und Heldengruppen für das Rollenspielsystem DSA3.
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    Downloads: 16 This Week
    Last Update:
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  • 23
    Mazix is a 3D Java game project which consist of a maze with lots of different objects the player can interact before finding the end of the maze, such as Teleports, Doors, Keys, Balls, Walls... The game could be compared to Oxyd or Sokoban.
    Downloads: 16 This Week
    Last Update:
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  • 24
    XHSI - glass cockpit for X-Plane 10 & 11
    XHSI (eXternal High-resolution Simulator Instruments) is an add-on for the X-Plane flight simulator. It displays the PFD, ND, EICAS, Flaps and Gear indicator, Clock/Chronometer, etc... in separate windows. In general, the instruments can be displayed in B737-NG or A320 style.
    Downloads: 16 This Week
    Last Update:
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  • 25
    Minecraft-Installer

    Minecraft-Installer

    Install mods for minecraft easily

    Install your mods for Minecraft easily with the new Minecraft-installer program.
    Downloads: 15 This Week
    Last Update:
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