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.

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  • 1
    Deep Matrix is a Java chat-client and server system that turns 3D VRML/X3D worlds in to multi-user enviroments. The current version "Deep MatrixIP9" works on Windows, Mac, and Linux OS systems.
    Downloads: 2 This Week
    Last Update:
    See Project
  • 2
    Desert Defense

    Desert Defense

    A "Tower Defense" game

    In "Desert Defense" you are in the future, in the desert and you have to protect yourself from enemies. You can do that with building towers to kill the incoming enemies! I'm still seaching for a new desinger! -> send me an e-mail! jan.schuettken@gmx.de
    Downloads: 2 This Week
    Last Update:
    See Project
  • 3
    Dioscuri is an x86 computer hardware emulator written in Java. It is designed by the digital preservation community to make sure that documents and programs from the past can still be accessed in the future. Dioscuri is durable and component-based.
    Downloads: 2 This Week
    Last Update:
    See Project
  • 4
    Evolution RTS
    Evolution RTS (project name, will change later) will be a real-time-strategy-like game. Player will be controlling cell-like creatures with a goal to breed stronger cells than the opponent. Random mutations make up a part of the game. [PLANNING]
    Downloads: 2 This Week
    Last Update:
    See Project
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  • 5
    Evver Games is an open source project that contains an AJAX web renderer and framework for creating card games; along with the card games Golf and No Peeking.
    Downloads: 2 This Week
    Last Update:
    See Project
  • 6
    The aim of the FreeRails project is to create a fun game based off the RailRoad Tycoon and RailRoad Tycoon II games.
    Downloads: 2 This Week
    Last Update:
    See Project
  • 7
    Frittle
    Frittle is an open source amateur Java Chess Engine that supports the XBoard/WinBoard Chess Engine Communication Protocol (version 2).
    Downloads: 2 This Week
    Last Update:
    See Project
  • 8
    A MMORPG clone of the Uplink game. Features a realistic PC simulation, real programming and hacking.
    Downloads: 2 This Week
    Last Update:
    See Project
  • 9
    Java based Multiaccess Device Independent (Mobile, Internet and Broadband) Portal Platform including Applications such as Mail, Calender, Contacts, News, Chat, Ringtones, Icons, SMS applications. All the software are WAP,GSM,PCS,GRPS and 3G Compatible.
    Downloads: 2 This Week
    Last Update:
    See Project
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  • 10
    We are creating 4 games in which players create their own unique kritters. See our home page for more info. Being created in Java, Python and GOaL.
    Downloads: 2 This Week
    Last Update:
    See Project
  • 11
    This tool will help you maximize your profit as a miner in Eve Online.
    Downloads: 2 This Week
    Last Update:
    See Project
  • 12
    Minecraft Application Backup Utility

    Minecraft Application Backup Utility

    Backup & restore Minecraft worlds with one click.

    Minecraft Application Backup Utility or formally known as Mabu, is a backup & restore tool for Minecraft which can be used on either Windows, Linux or OS X systems. With a simple and user-friendly design, you can create backups and restore from previous backups effortlessly.
    Downloads: 2 This Week
    Last Update:
    See Project
  • 13
    OpenPTC is a portable frame-buffer library for computer graphics programmers (C/C++/Java)
    Downloads: 2 This Week
    Last Update:
    See Project
  • 14
    OpenRock Curling is a free curling game with network support. It is written in Java and should run all platforms with JRE 6 or later.
    Downloads: 2 This Week
    Last Update:
    See Project
  • 15
    OpenUHS is a reader for Universal Hint System files. It's a game assistant that gradually reveals hints/images in a non-linear FAQ-like manner rather than spoiling everything as a walkthrough would. Over 500 games are known to the UHS repository.
    Downloads: 2 This Week
    Last Update:
    See Project
  • 16
    Othello

    Othello

    The popular Othello / Reversi game

    Play against yourself or play against the computer in this exciting and popular game! (Requires Java 8 (or higher) to play). Make sure Java is installed, and download the JAR, and run it to start playing. You can download Java from: https://java.com/download Leave a review if you like it, or feedback for feature requests. Also do check out my other game: MilkRun, here: https://milkrun.sourceforge.io/
    Downloads: 2 This Week
    Last Update:
    See Project
  • 17
    PolskaOnLine
    PolskaOnLine is multiplayer online 2D game using Java and SQL.
    Downloads: 2 This Week
    Last Update:
    See Project
  • 18
    Shadowed Horizons is a gaming software development framework. The aim of the project is to provide simple yet intuitive classes and utilities which will allow you to spend less time drudging around the foundation, and more time coding the next big game
    Downloads: 2 This Week
    Last Update:
    See Project
  • 19
    Spice Trade is an rpg/strategy/adventure game about a poor spice farmer in 12th century Baghdad area. The game is written in Java and tested on Windows, Linux, BSD, OS X.
    Downloads: 2 This Week
    Last Update:
    See Project
  • 20
    The project has moved: https://github.com/devng/star-sudoku
    Downloads: 2 This Week
    Last Update:
    See Project
  • 21
    Tennis de Table Tournament Manager is a free GPL Java Application for create and manage Table Tennis Tournament.
    Downloads: 2 This Week
    Last Update:
    See Project
  • 22
    WowSync
    World of Warcraft player account synchronization and backup. This will save your WTF/Account files and not the interface directory. Using JSCH for secure file transfer.
    Downloads: 2 This Week
    Last Update:
    See Project
  • 23
    J-Man was developed as an easy-to-use Java SRCP client that comes with a graphical user interface which allows you to control model railways, track switches and signals. Now, you can use this software to connect to a server, insert locomotives and routes with ease.
    Downloads: 2 This Week
    Last Update:
    See Project
  • 24
    jAMAL
    jAMAL is a Java-based reimplementation of the AMOS Animation Language (AMAL).
    Downloads: 2 This Week
    Last Update:
    See Project
  • 25
    jBubbleBreaker
    An (extensible) open source java clone of the popular BubbleBreaker (Bubble Breaker) game.
    Downloads: 2 This Week
    Last Update:
    See Project