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

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  • 1
    Welcome to GoMule! This is a muling application for the computer game "Diablo 2" which allows items to be stored and transferred between Single Player characters outside of the game.
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    Downloads: 301 This Week
    Last Update:
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  • 2
    Biogenesis
    Biogenesis is an artificial life program that simulates the processes involved in the evolution of organisms. It shows colored segment based organisms that mutate and evolve in a 2D environment. Biogenesis is based on Primordial Life.
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    Downloads: 104 This Week
    Last Update:
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  • 3
    Mobile Open-Source Software and Tools

    Mobile Open-Source Software and Tools

    Android, UIQ 3.0, Series 60 Edition 5 open-source software

    Android, Symbian UIQ 3.0 and Symbian Series 60 Edition 5 open-source software, tools, libraries and themes. Most notable the FX-602P / FX-603P Simulator and the HP-45 Emulator are hosted here.
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    Downloads: 67 This Week
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  • 4
    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: 13 This Week
    Last Update:
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  • 5
    chessPDFBrowser

    chessPDFBrowser

    Chess application whichs allows working with chess PDF books and PGNs.

    Chess application which allows working with PDFs and PGNs. You can work with the chess games of the PDF and edit their tree of variants. Graphical environment. Standard PGN TAGs. PGN comments. Ocr like (Fen string detection from chess board position images). Connection to Uci chess engines (like stockfish). Position analysis, full game analysis. You can now play games against uci engines. pdf2pgn command line command included. Detailed documentation. Multilanguage currently support for English, Spanish and Catalan. Dark mode option. JDK-17 compatibility You will find more about it at this web sites: https://chesspdfbrowser.com?origin=sourceforge https://www.frojasg1.com:8443/downloads_web/web/html/chessPdfBrowser.html?origin=sourceforge
    Downloads: 44 This Week
    Last Update:
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  • 6
    Scrabble Dictionary
    Scrabble Dictionary is a dictionary / word builder for Scrabble®-like games. It allows you to determine which words can be formed with a given rack and board. Features single and multi-player modes, multiple board designs and tile bags.
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    Downloads: 24 This Week
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  • 7
    Java port of the Quake2 game engine
    Downloads: 16 This Week
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  • 8
    FS2004/FSX Scenery Config Editor
    A java based Scenery Config Editor. Provides group functionality and more.
    Downloads: 10 This Week
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  • 9
    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: 10 This Week
    Last Update:
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  • 10
    An adaptation of the Fabled Lands gamebook series: travel through a fantastic world, amassing skill, wealth, and fame, while avoiding sudden death. Presents the complete text to preserve the spirit of the original.
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    Downloads: 10 This Week
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  • 11
    JStella is a Java-based Atari 2600 VCS emulator. It allows one to play old Atari 2600 games in an operating system independent manner. It also supports web page based applets. Its emulation core is based on Stella-Atari 2600 Emulator.
    Downloads: 12 This Week
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  • 12
    The Neverhood Restoration
    Be warned this project was discontinued in 2013 and has not been updated in years.
    Downloads: 25 This Week
    Last Update:
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  • 13
    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: 4 This Week
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  • 14
    All-In Hon ModManager
    All-In Hon ModManager is a simple software to manage and control Heroes of Newerth Mods and Addons for final users (gamers).
    Downloads: 4 This Week
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  • 15

    Thermos

    MinecraftForge Server Software implementing the Spigot/Bukkit API

    Minecraft Forge Server Software implementing the Spigot/Bukkit API, formerly known as Cauldron/MCPC.
    Downloads: 19 This Week
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  • 16
    A tool to calculate placement of holes on a tin whistle.
    Downloads: 5 This Week
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  • 17
    GameLauncher is a Game ROM Managment Tool designed to make emulating games easier than playing them on a console! Windows 2.0 Beta releases now available!!
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    Downloads: 15 This Week
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  • 18
    Tools for parsing and analyzing the JASS scripting language, which used for scripting Maps and AI files in Blizzard Entertainment's (R) Warcraft III (R).
    Downloads: 12 This Week
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  • 19
    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: 4 This Week
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  • 20
    A map editor for Civilization 4. It is designed to make creating static maps' basic features much simpler. The first public version features cut-copy-paste, and optional conveniences like: Auto coastline, auto latitiude climate, and more
    Downloads: 6 This Week
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  • 21
    Simple Blackjack game in Java (developed as Assignment 1 for ITEC802@MQ). For more information about Blackjack, please refer to http://en.wikipedia.org/wiki/Blackjack.
    Downloads: 3 This Week
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  • 22
    Free Mars

    Free Mars

    Turn based free strategy game about colonizing Mars.

    It is the year 2077, for the first time in its history mankind has finally began the colonization of another planet. Will the pioneers from Earth succeed in colonizing their new home or will they fail to survive against the harsh and inhospitable conditions of the Red planet? Free Mars is a turn based strategy game about colonizing Mars.
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    Downloads: 2 This Week
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  • 23
    18xx Rails Evolution
    🚂 WELCOME TO RAILS: THE ULTIMATE 18XX GAME ENGINE! 🚂 Are you ready to step into the shoes of 19th-century robber barons, manipulate stock markets, engineer ruthless hostile takeovers, and build the most lucrative railway empires in board gaming history? Rails is the premier, open-source Java engine dedicated entirely to the deep, tactical world of the 18xx operational and economic strategic series. Whether you are running local shortlines or launching massive continental networks, Rails automates the heavy lifting of banking and track laying so you can focus entirely on outsmarting your corporate rivals. ⚠️ PROJECT UPDATE & NEW HOME ⚠️ To support the ongoing modernization of the engine, the vibrant 18xx community, and the implementation of massive new structural improvements, our active development has permanently moved! 👉 GET THE LATEST VERSION 3.0.0 HERE: https://github.com/Rails-18xx/Rails/releases
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    Downloads: 2 This Week
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  • 24
    A Java Utility to edit and create new game content for Might and Magic 8 with support for 6 and 7. This is an extension of the no-longer-developed UnLod java utility for MM8. MM8LevelEditor is no longer actively developed. A new MMLevelEditor is being re
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    Downloads: 9 This Week
    Last Update:
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  • 25
    Strong Java Chess Engines Game

    Strong Java Chess Engines Game

    SJCE - free portable cross-platform graphical chess game, 100% Java.

    SJCE - Strong Java Chess Engines, free portable cross-platform graphical chess game, 100%-pure Java. Support with including many best free/open-source java xboard/uci chess engines. It is possible to play both White and Black. It is possible to play Human to Human, Human vs Engine, Engine vs Engine. Simple and intuitive GUI - Graphical User Interface. Tested on Windows/Linux. Need jre1.8 - https://www.oracle.com/java/technologies/javase/javase8-archive-downloads.html. Source - https://github.com/harp077/sjce If you like this - put a star on https://github.com/harp077/sjce/ for support project please.
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    Downloads: 2 This Week
    Last Update:
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