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
    OdinMS is a Java based Server.
    Downloads: 2 This Week
    Last Update:
    See Project
  • 2
    A Java port of "powermanga", which is an arcade 2D shoot-em-up game with 42 levels, 14 guardians and more than 200 sprites. It runs in 320x200 or 640x400 pixels. It runs on J2SE and some J2ME (MIDP 2.0/CLDP 1.1) enabled systems, SWT is also supported.
    Downloads: 2 This Week
    Last Update:
    See Project
  • 3
    Pristontale free Open Server project, for those who want to create a better and free server experience.
    Downloads: 2 This Week
    Last Update:
    See Project
  • 4
    Rail World is a railroad train simulation game designed to bring the features of model railroading to the desktop using actual aerial or satellite photographs as the backdrop for maps. Control multiple trains, switches, load/unload cargo, and more.
    Downloads: 2 This Week
    Last Update:
    See Project
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  • 5
    Realmlist Swapper
    Realmlist Swapper is a simple and lightweight program that stores your WoW Realmlists and lets you change your realmlist.wtf file with one click. It is cross-platform so the same download works on Windows, Mac, Linux... anything with Java installed.
    Downloads: 2 This Week
    Last Update:
    See Project
  • 6
    Shithead is a multiplayer card game that involves both chance and skill. A player's hand consists of three parts: Cards in their hand, Cards on the table – visible to all players and Hidden cards – hidden from all players
    Downloads: 2 This Week
    Last Update:
    See Project
  • 7
    Simple but addictive turn based strategy game. Another conquer-the world game. Instruction on the website below.
    Downloads: 2 This Week
    Last Update:
    See Project
  • 8
    STGC is a browser-based game set in the Star Trek (tm) universe which has been developed over three years and now finally has gone open-source. For support please visit the homepage of this project.
    Downloads: 2 This Week
    Last Update:
    See Project
  • 9
    Sudoku

    Sudoku

    A simple Sudoku game

    A simple Sudoku game created to test the concept of objects.
    Downloads: 2 This Week
    Last Update:
    See Project
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  • 10
    Go railfanning on your calculator! The original railfanning game has made its way to several platforms, including the PC.
    Downloads: 2 This Week
    Last Update:
    See Project
  • 11

    jo2emLauncher

    portable o2em launcher

    jo2emLauncher stands for Java o2em launcher. It is a GUI to help people use o2em (the odyssey 2 / videopac emulator). Currently available launcher are only for windows. As jo2emLauncher is 100% java, it is able to run on a wide range of platforms. The first target is linux.
    Downloads: 2 This Week
    Last Update:
    See Project
  • 12
    LiveHack is an HTTP server for a simple, web-based, shoot-em-up game. It is written in Java, so it's small, fast, and secure.
    Downloads: 2 This Week
    Last Update:
    See Project
  • 13
    osm2xp

    osm2xp

    Generate X-Plane 11, 10 and 9 scenarios from OSM data

    osm2xp 3.0 was forked from original osm2xp 2.0 created by Benjamin Blanchet The program takes PBF file with OSM data for some area as input and supports the generation of following based on it: * Buildings based on facades and 3D objects with differing residential, industrial, etc. * Forest zones with basic multipolygon support * Some objects by rules - cranes, towers... * Roads, with trying to select best matching road type, if lane count data is present in OSM * Railways * Power lines * Barriers, two types are supported - fence and wall * Water tanks, fuel tanks, gasometers * Chimneys, cooling towers - by inserting special objects with size closest to necessary * Airfields (apt.dat) with runways, helipads, and taxiways - starting from 3.5.0 The program requires Java 8 or newer to run. Version 3.x is Windows-only, 4.0 also supports Linux and has console versions. Installation: download zip file, unpack it where you want, start 'osm2xp.exe'
    Downloads: 2 This Week
    Last Update:
    See Project
  • 14
    winebox

    winebox

    Run Windows applications on any computer.

    WineBOX is an Open Source implementation of the Windows API and a program loader, allowing many unmodified Windows binaries to run on x86-based computers with out need a operative system.
    Downloads: 2 This Week
    Last Update:
    See Project
  • 15
    Browser based 2D scrolling shooter written in Java. The player controls an airplane in a top-down view and shoots down enemy planes, helicopters and tanks. Play right at the homepage: http://btrgame.com
    Downloads: 1 This Week
    Last Update:
    See Project
  • 16
    BehaviorSim is an educational tool which allows users to develop and exercise behavior-based applications by setting up entities, behaviors and other primitives without involving significant programming effort.
    Downloads: 1 This Week
    Last Update:
    See Project
  • 17
    A Runescape 2 server emulator aiming to be one of the most stable and advanced servers around.
    Downloads: 1 This Week
    Last Update:
    See Project
  • 18
    Bloody Mess mobile is a top-down shooter game for mobile phones with J2ME MIDP 2.0 profile & bluetooth support. It is based on famous PC game Crimsonland & allows you to fight hordes of monsters on you mobile phone!
    Downloads: 1 This Week
    Last Update:
    See Project
  • 19
    Bordeaux1 Chinese Checkers is a playable Chinese Checkers simulator with GUI and AI. It was developed for a master's project and thesis at the University of Sciences and Technologies of Bordeaux 1, France, by a group of four computer science students.
    Downloads: 1 This Week
    Last Update:
    See Project
  • 20
    Dark Destiny
    Dark Destiny is a turn-based online space strategy game playable in internet browsers. The game tries to draw the players attention to long-term strategic decisions and extensive diplomacy.
    Downloads: 1 This Week
    Last Update:
    See Project
  • 21
    Darkfall Emulator

    Darkfall Emulator

    Develop an emulated Darkfall Online Server.

    This project is the development of an open source fully emulated Darkfall Online Server and reverse engineering the proprietary game engine that DFO uses, the SF3D engine as well as its source code.
    Downloads: 1 This Week
    Last Update:
    See Project
  • 22
    DeliveryBoy's is one game implements the traveling salesman problem (TSP) into Android platform, using the AndEngine's API.
    Downloads: 1 This Week
    Last Update:
    See Project
  • 23
    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: 1 This Week
    Last Update:
    See Project
  • 24
    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: 1 This Week
    Last Update:
    See Project
  • 25
    Flags! for Android

    Flags! for Android

    A knowledge based flag identification games.

    Flags! is a knowledge based game with the objective to identify the flags by choosing the correct option from the set of four available options. There is a limit on the number of wrong tries denoted by the number of lives at the bottom. The faster you answer, the more points you will get. Test your knowledge with over 190 flags to identify!
    Downloads: 1 This Week
    Last Update:
    See Project
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