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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
    This is a 2d tile-based RPG (Role Playing Game) engine targetted at the J2ME / MIDP application platforms (PDAs, java-enabled cellphones) but is also cabable of running on a J2SE enabled platform (either applet or stand alone java app).
    Downloads: 8 This Week
    Last Update:
    See Project
  • 2
    JChessBoard is a chess game written in Java that can be connected to another JChessBoard via a direct TCP/IP connection. No Internet Chess Server is required for playing. It also became a full featured PGN viewer and editor.
    Downloads: 4 This Week
    Last Update:
    See Project
  • 3

    Java Marvel Character Creator

    Java Character Creator for the Classic Marvel Super Heroes RPG

    This is a Character Creator for the Classic Marvel Super Heroes game written in Java.
    Leader badge">
    Downloads: 4 This Week
    Last Update:
    See Project
  • 4
    Magellan

    Magellan

    A graphical frontend for PbeM like Eressea

    The Magellan Client is basically a GUI for the PBEM (play by email) game Eressea, but can be used for other "Atlantis" based games, too. -- Magellan ist die am weitesten entwickelte graphische Oberfläche für Eressea, das Email-Fantasy-/Strategiespiel -- For further informations please have a look at our repositories unter https://github.com/magellan2
    Downloads: 4 This Week
    Last Update:
    See Project
  • The All-in-One Commerce Platform for Businesses - Shopify Icon
    The All-in-One Commerce Platform for Businesses - Shopify

    Shopify offers plans for anyone that wants to sell products online and build an ecommerce store, small to mid-sized businesses as well as enterprise

    Shopify is a leading all-in-one commerce platform that enables businesses to start, build, and grow their online and physical stores. It offers tools to create customized websites, manage inventory, process payments, and sell across multiple channels including online, in-person, wholesale, and global markets. The platform includes integrated marketing tools, analytics, and customer engagement features to help merchants reach and retain customers. Shopify supports thousands of third-party apps and offers developer-friendly APIs for custom solutions. With world-class checkout technology, Shopify powers over 150 million high-intent shoppers worldwide. Its reliable, scalable infrastructure ensures fast performance and seamless operations at any business size.
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  • 5
    PolanieOnLine
    PolanieOnLine is multiplayer online 2D game using Java and SQL.
    Downloads: 4 This Week
    Last Update:
    See Project
  • 6
    jTans is a java version of Tangram, a (not so) ancient chinese puzzle. The object is to put 7 geometric shapes together so as to form a given outline. All the pieces must be used an should not overlap.
    Downloads: 4 This Week
    Last Update:
    See Project
  • 7
    Kelpie Flight Planner for Flightgear
    The Kelpie Flight Planner for Flightgear. This Java based Gui flight planner uses the airport and navaid databases of the Flightgear, allowing the user to search for airports and navigation aids and plan flights between them. [Note: Requires Java 1.10 or above] This program is no longer being actively developed or supported. All future work is being undertaken on a port to Rust/Gtk at https://github.com/shartrec/kelpie-flight-planner. But is still in the very early stages.
    Downloads: 2 This Week
    Last Update:
    See Project
  • 8
    PokeDroid
    Pokémon simulator for Android! Features include a variety of AI opponents, all Pokémon and moves, and total Pokémon customization (IVs, EVs, nature, etc.) Download it and send us your feedback!
    Downloads: 2 This Week
    Last Update:
    See Project
  • 9
    Tournament Maker

    Tournament Maker

    Software to help people run and organize tournaments.

    This program is intended for small tournament organizers. The goal is to allow organizers without much experience to setup and run a tournament without hours of preparation. Running a tournament is hard, especially when there are only a few people helping. With the software doing all the work, organizers will be more relaxed and it'll be a better experience for everyone. If you find this program useful, please donate to Food for the Hungry (http://fh.org/) or a charitable organization of your choosing. Quick Start Guide: https://sourceforge.net/p/tournamentmaker/wiki/Quick%20Start%20Guide/ ChangeLog: https://sourceforge.net/p/tournamentmaker/wiki/ChangeLog/ Please leave a review if you have time! Feedback is always helpful for me.
    Downloads: 2 This Week
    Last Update:
    See Project
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  • 10
    Besiege: Defenders of Time and Space
    This project uses Ardor3D to create a space based real time strategy game. You fight for the control of planets which build new attack ships for you. It is inspired by games like Eufloria, Galcon and Sins of a Solar Empire.
    Downloads: 7 This Week
    Last Update:
    See Project
  • 11
    This application is designed to help create Contract bridge hands with constrains on points and/ or number of cards per suite for each player. The program is an easy to use Java program which outputs the results in an HTML format (fits an A4 page for easy printing). Media wiki pages: http://sourceforge.net/apps/mediawiki/bridgedealer/
    Downloads: 7 This Week
    Last Update:
    See Project
  • 12
    DoomRL-Android

    DoomRL-Android

    Android port of DoomRL (Doom, the Roguelike)

    DoomRL port to Android. https://drl.chaosforge.org/ -- DoomRL homepage https://sourceforge.net/projects/libsdl-android/ - SDL Android port https://github.com/rumly111/doomrl and https://github.com/rumly111/fpcvalkyrie -- modified DoomRL sources to run on Android
    Downloads: 7 This Week
    Last Update:
    See Project
  • 13

    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: 7 This Week
    Last Update:
    See Project
  • 14
    Minecraft Portable

    Minecraft Portable

    Portable Minecraft launcher for macOS

    A portable Minecraft launcher for macOS. This is the legacy Java-based Minecraft launcher. Minecraft, and the Minecraft Logo are trademarks of Mojang AB. http://mojang.com/, http://minecraft.net/
    Downloads: 7 This Week
    Last Update:
    See Project
  • 15
    TaekWondo Score

    TaekWondo Score

    Digital automated system for Taekwondo Scoring.

    This is a server side app to Taekwondo scoring system. This can be run with client Android app of this. You can get the Client app from play store https://play.google.com/store/apps/details?id=crackntech.taekvondoscore.full
    Downloads: 7 This Week
    Last Update:
    See Project
  • 16
    Wrong Answer Calculator

    Wrong Answer Calculator

    Wrong answer guaranteed, first time, every time.

    Just a little mindless fun using beghilos or calculator spelling.
    Downloads: 7 This Week
    Last Update:
    See Project
  • 17
    OSwiss

    OSwiss

    Program for tournament management.

    Tournament management software for various sports that uses swiss pairing system. Program invented for tournament organisers. It assists in managing events, calculates standings, ratings, supports printing and checking player cards. If something goes wrong during tournament, it is posibble also to enter pairings manually. Project is written in Java SE designed for PC and J2ME for mobile phones. DEAR USER If you are missing any features in this software, please open a ticket and describe them.
    Downloads: 5 This Week
    Last Update:
    See Project
  • 18
    Chess Editor is a pure Java tool to create, edit and view chess games in the Portable Game Notation (PGN) format. The tool integrates with externally specified chess engine programs to provide analysis of board positions.
    Downloads: 6 This Week
    Last Update:
    See Project
  • 19
    Crystal Saga is a full screen 2D RPG programmed in JAVA. The main features are a real-time side view battle system, intuitive menu system, tiled world maps and towns, and a captivating story line.
    Downloads: 6 This Week
    Last Update:
    See Project
  • 20
    Flappy Bird

    Flappy Bird

    A swing clone of Flappy Bird

    A Flappy Bird clone with nice pixel art. A custom library is used to manage graphics and controls.
    Downloads: 6 This Week
    Last Update:
    See Project
  • 21

    Minecraft last login decoder/recovery

    Decodes the login credentials stored by the minecraft launcher

    This simple application written in java decodes the login credentials stored in the file named "lastlogin" in your minecraft folder. DEPRECATED AFTER MC 1.6
    Downloads: 6 This Week
    Last Update:
    See Project
  • 22

    Russian Checkers

    russian checkers game

    Simple game. It allows you to select language, color of checkers and one of three modes of game: user vs user, comp vs user and comp vs comp.
    Downloads: 6 This Week
    Last Update:
    See Project
  • 23
    Kendo Tournament Generator

    Kendo Tournament Generator

    Tool for managing a kendo tournament

    This software manage different kendo tournaments: from local simple championships to professional tournaments with high number of teams. The software can manage the registration of competitors, team generation, design of the tournament (simple, championship, manual, ... ). Also allows the creation of accreditations, list of teams and other documents in PDF useful for manage a real kendo tournament. Finally, it allows to obtain some statistics and feedback from each team and competitors.
    Downloads: 2 This Week
    Last Update:
    See Project
  • 24
    PokerTimer can show you the time to the next levels and some more
    Downloads: 2 This Week
    Last Update:
    See Project
  • 25
    FreeLords

    FreeLords

    Turn-based strategy game

    FreeLords is a turn-based-strategy game. Explore, occupy, produce armies in cities and kill your enemies.
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    Downloads: 3 This Week
    Last Update:
    See Project