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
    CloneRNX is a Java SE clone of ChainRNX, the popular facebook flash game.
    Downloads: 3 This Week
    Last Update:
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  • 2
    ComicViewer is a time-saving tool for avid readers of online comics. It displays all your favorite comics (this is configurable) in an easy-to-use user interface.
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    Downloads: 3 This Week
    Last Update:
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  • 3
    Verwaltung von Helden und Heldengruppen für das Rollenspielsystem DSA3.
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    Downloads: 3 This Week
    Last Update:
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  • 4
    A Java game based off the version on YoYoGames.com: http://gmc.yoyogames.com/index.php?showtopic=279075 The only controls are the arrow keys: Left and Right to steer, Up key to go faster.
    Downloads: 3 This Week
    Last Update:
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  • 5

    GMTool

    A tool for roleplaying gamemasters

    A Java tool that allows a gamemaster to manage notes, characters, combat, images, sounds, etc. on his computer during gaming sessions. Plugin-based to allow using it with various rpg system, such as Shadowrun, GURPS, TDE, D&D, etc.
    Downloads: 3 This Week
    Last Update:
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  • 6
    A customizable and scalable file editor. It provides a parsing and tokenizing engine. User configurable and GUI customizable. Focused on editing text based configuration files for games, can be xml config files too.
    Downloads: 3 This Week
    Last Update:
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  • 7
    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: 3 This Week
    Last Update:
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  • 8
    JNBT is a Java NBT (Named Binary Tag) library. It provides easy to use NBTInputStream and NBTOutputStream classes to read and write NBT files. NBT is the level format used by the Minecraft game.
    Downloads: 3 This Week
    Last Update:
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  • 9
    * * * This project is being moved to a sub module of the project jvc-client * * * This project contains addins for the Java VGA-Planets Client (JVC). These addins utilizes the addin interface of JVC
    Downloads: 3 This Week
    Last Update:
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  • 10
    Jamos Games is a collection of games for Java-enabled mobile phones. It is our intent that all games should work on all J2ME MIDP 1.0 phones.
    Downloads: 3 This Week
    Last Update:
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  • 11
    A framework of Java components for building applications that operate on the popular Squawkbox/ProController protocols used for Internet real-time Air Traffic Control and flying simulation. The big networks are VATSIM (www.vatsim.net) and IVAO (ivao.org)
    Downloads: 3 This Week
    Last Update:
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  • 12
    Yes, this will be yet another Bomberman-Clone. But it will also be different... and better ;). The target langauge will be Java, as well as an application as an applet to be easily startable with a browser. Some other goodies like a small web-server (to p
    Downloads: 3 This Week
    Last Update:
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  • 13
    Java Ploy Boardgame
    Based on the 1970 3M strategy boardgame, Ploy. Each player has pieces which can be maneuvered across the board, in an attempt to remove the enemy commander, or to remove all pieces but the commander. Each piece has different movement characteristics.
    Downloads: 3 This Week
    Last Update:
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  • 14

    KaraokeVideo

    App for singers who do karaoke on youtube or other websites

    This application is created for singers who only sing with videos from youtube or other websites. You just have to enter the title of the song and copy and paste the links of the karaoke videos from youtube or other websites. Once you copy and paste the link of the video into the application, the video will start streaming directly in the application. I hope you like it, have fun!
    Downloads: 3 This Week
    Last Update:
    See Project
  • 15
    Hi, in this project I developed many little programms to train easily your concentration. The basic idee is to strengh your concentration with a 'dynamical' sun-symbol.
    Downloads: 3 This Week
    Last Update:
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  • 16
    ELGE - Environment for language games experiments.
    Downloads: 3 This Week
    Last Update:
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  • 17
    Lucifer

    Lucifer

    Lucifer: The Ultimate Dev-Ecosystem

    "Everything is integrated. Now, even I can't control it." 루시퍼(Lucifer)는 더 이상 단순한 런처가 아닙니다. 개발자가 필요로 하는 모든 하부 구조를 하나로 집대성한, 통제 불가능한 수준의 올인원 통합 제어 환경입니다. 🚀 핵심 특징 (Core Features) 시리얼 제어 (Advanced Serial Control): 하드웨어와의 접점을 완벽하게 장악합니다. 아두이노 및 각종 임베디드 장치와의 데이터 송수신을 가장 드라이하고 정밀하게 수행합니다. 서버 통합 (Terra Server Engine): MariaDB 연동형 고성능 자바 서버 '테라(Terra)'를 코어로 품어, 데이터 처리와 로직 실행의 중심축을 담당합니다. 톰캣 내장 (Embedded Tomcat): 별도의 WAS 설치 없이도 웹 환경을 즉각적으로 구동합니다. 루시퍼가 곧 웹 서버이자 플랫폼이 됩니다. 자바 내장 (Portable Java Environment): 환경 변수 설정이나 버전 갈등에서 완전히 자유롭습니다. 루시퍼 실행 파일 하나에 최적화된 자바 환경이 포함되어 어디서든 즉시 가동됩니다.
    Downloads: 3 This Week
    Last Update:
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  • 18
    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: 3 This Week
    Last Update:
    See Project
  • 19
    A multi-clients karaoke system that writen in Java. The project aims to support PC, PDA and Mobile Phone as song selection devices. The song video format can be MPEG1/2.
    Downloads: 3 This Week
    Last Update:
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  • 20
    An account, character and item manager for Diablo II: Lord of Destruction. MuliFex is a Swiss Army Knife that makes the life of a Diablo player on Battle.net more enjoyable. MuliFex employs Java (and some native Code) and runs on Windows and Mac OS X.
    Downloads: 3 This Week
    Last Update:
    See Project
  • 21
    Planetmule
    Free-to-play multiplayer version of the 8-bit classic M.U.L.E.
    Downloads: 3 This Week
    Last Update:
    See Project
  • 22
    A java applet for animating Ultimate plays
    Downloads: 3 This Week
    Last Update:
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  • 23
    RPG Backpack

    RPG Backpack

    Android replacement for your RPG pen and paper PG inventory

    Allow to setup inventories for a set of Role Playing Game characters, lists all items and their properties, split and share your items for several environments.
    Downloads: 3 This Week
    Last Update:
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  • 24
    RomZinger is intended to be a powerfull toolkit to manage efficiently large collection of ROMs.
    Downloads: 3 This Week
    Last Update:
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  • 25
    ScanCDP extracts informations from .cdp Auran Trainz files. See README for details.
    Downloads: 3 This Week
    Last Update:
    See Project