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
    Cyber Knight is a game engine for developing educational software for computer science. The platform features an isometric tile engine and a code visualizer for python.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 2
    CyberRails is an Empire Builder (Mayfair crayon train game) inspired game. Players build track, pick up and deliver resources based on contracts. Features include multi-player, extensible playing boards and images and fun, fun, fun!
    Downloads: 0 This Week
    Last Update:
    See Project
  • 3
    A tool for playing online RPG session in Cyberpunk 2nd edition.
    Downloads: 0 This Week
    Last Update:
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  • 4
    This is a Java game developement project of four students of Budapest University of Technology and Economics called the Cyborgs.
    Downloads: 0 This Week
    Last Update:
    See Project
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  • 5
    Cynia is a MUD (Multi User Domain) engine. Primarily used for online gaming, this project will aim to provide a quick, flexible and easily maintainable environment to build Multi User Domains for free online play.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 6
    This project is meant to create standard XML format for D&D 3rd ed monsters/spells etc which later could be used to generate output in various format. This should be also a central place for tools helping to work with this format.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 7
    D&D HP Monster Calculator

    D&D HP Monster Calculator

    Keep track of all your monsters during your encounters in a simple way

    Allows you to quickly manage the HP of multiple monsters as well as keep quick notes about the monsters!
    Downloads: 0 This Week
    Last Update:
    See Project
  • 8
    D20 Campaign Manager. Manager application for roleplaying games based on the D20 game system.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 9
    D20 Chat is a chatting interface used for d20 role playing games.
    Downloads: 0 This Week
    Last Update:
    See Project
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  • 10

    D3Profiler

    The Diablo 3 Profiler

    This is a small application to view your Diablo 3 Heroes with full statistics and details, especially of the died hardcore heroes.
    Downloads: 0 This Week
    Last Update:
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  • 11
    D5.2 is a web-based game in which players explore an infinite procedurally generated world. They can claim sections of the map and build on them. Design is very open-architecture to allow new terrain generators and game rules to be easily added.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 12

    DAOC QBar Saver and SC Gem Loader

    DAOC QBar Saver and SC Gem Loader

    This program is written to speed up the SpellCrafting process for Dark Age Of Camelot (DAOC). In addition it can Save and Restore Qbars. This Program currently ONLY SUPPORT Gearbunny classic and Gearbunny X template files. There are examples in the zip file.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 13
    Neopet's NeoDAQ Analyzer - daemon, offline gui and php interface
    Downloads: 0 This Week
    Last Update:
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  • 14
    Dark Age of Camelot (DAoC) Log Analyser written in Java that creates HTML statistic from your chat.log file.
    Downloads: 0 This Week
    Last Update:
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  • 15
    A Java Swing based application for designing DBMM wargaming armies, initially uisng an XML file-based persistence layer for maximum end user machine compatibility and ease of installation.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 16
    A simple software to extract any valid DBPF file, normally they have package extension. This software extracts DBPF files from any The Sims 2, The Sims Stories, The Sims 3 and Spore using command line and has XML support for other softwares.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 17
    DGiovanni
    A multi-agent architecture for building interactive dramas. It uses the Jason's BDI engine, being the Jason's agent-oriented programming language utilized for performing the drama management and for authoring behaviors for the characters.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 18
    An application that will display DIS entities on a map.
    Downloads: 0 This Week
    Last Update:
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  • 19
    DNA Mud will be a complete, Win32-based engine- and server system featuring a simple, yet powerful object-oriented design. It will include an OS-independent world construction tool with GUI - all built from scratch.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 20

    DNS Launcher 2

    DNS Launcher is a improved installer/launcher for the DNS TechPack

    DNS Launcher is a improved installer/manager for the DNS TechPack for minecraft, it gives you the ability to customize and install the modpack quickly and easily for you, giving you complete control of what you do and don't install.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 21
    Dragon Redux is attempt to port Double Dragon to ZX Spectrum 128.
    Downloads: 0 This Week
    Last Update:
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  • 22
    Creates profiles of ROMS and manages the transfer to an R4 card while backing up and synchronizing previous save files.
    Downloads: 0 This Week
    Last Update:
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  • 23
    Ein DSA Editor auf Java-Basis, der das aktuelle Regelwerk, sprich DSA 4.1, unterstützen soll.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 24
    Charakter generator fuer DSA die 4.Edition
    Downloads: 0 This Week
    Last Update:
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  • 25
    DSA Manager is a character generator and manager of heros of the German role playing game DSA (Das Schwarze Auge / The Dark Eye).
    Downloads: 0 This Week
    Last Update:
    See Project
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