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
    eMo AERO Boss
    eMo.AERO.Bo$$ is an airline management game (real time economical strategy game). You are CEO of newly build airline. Your mission is to rule it, guide it and lead to World number One Airline. The game was created with inspiration of old Aerobiz game for Sega/Nintendo.
    Downloads: 2 This Week
    Last Update:
    See Project
  • 2
    CatchemRPG will be a fully featured Java RPG similar to the old gameboy pokemon series.A plethora of mini games, side quests and content will be added to make it a fun game to play. Early test builds released. Not very functional yet...
    Downloads: 7 This Week
    Last Update:
    See Project
  • 3
    A chess study aid that lets you keep track of the various positions and branches of a chess game. It's very useful for studying the complexities of a board situation, and for following along a game that has plenty of commentary. Check out the homepage!
    Downloads: 7 This Week
    Last Update:
    See Project
  • 4

    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
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  • 5

    MatrixGame

    An environment to develop games based on a rectangular board

    MatrixGame is a development tool designed to quickly produce video games based on a rectangular board. A new game must be described as a new Java class extending the class Game that is enabled to use an interactive environment. For some examples please run the jar file after the download. A little menu opens letting you run all the developed games. Sources are inside the jar file that can be opened as a normal zip file. In the apk file you can find a partial Android porting.
    Downloads: 7 This Week
    Last Update:
    See Project
  • 6
    Minecraft by zyczu

    Minecraft by zyczu

    Minecraft launcher

    Downloads: 7 This Week
    Last Update:
    See Project
  • 7

    MisteRiocks ModPack

    Paczka modyfikacji do Minecraft'a od MisteRiocks'a

    Paczka modów, na których gram w Minecraft'a.
    Downloads: 7 This Week
    Last Update:
    See Project
  • 8
    Netrek is a multiplayer battle simulation game with a Star Trek theme. Up to 16 players are divided into two teams that fight each other for dominion over the galaxy.
    Downloads: 7 This Week
    Last Update:
    See Project
  • 9
    Outil vous permettant de personnaliser offline, tous vos rapports (RE, recyclage, RC, liste des membres, empire...) issus de Ogame (jeu online). Et grâce à de nombreuses options et son système de modèles, les rapports sont entièrement personnalisés
    Downloads: 7 This Week
    Last Update:
    See Project
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  • 10
    OpenPatrician

    OpenPatrician

    Naval trade simulation in the north and baltic sea during 1250 - 1500

    OpenPatrician is a free implementation in Java of Ascaron's classic The Patrician and The Patrician 2. The game is economic simulation located in the European North- and East-Sea in the late middle age.
    Downloads: 7 This Week
    Last Update:
    See Project
  • 11
    Seigneur Necron Minecraft Mods

    Seigneur Necron Minecraft Mods

    A set of Forge mods for Minecraft. (API, Stargate, custom signs...)

    - Mod Core : An API to develop minecraft mods. It contains a lot of classes that you can extend to create your mods easily (mod main class, configuration, logger, packet handlers, reflection tools, tile entities, entity extended properties, world properties, teleporter, containers, gui components, font renders, sounds...). - Stargate Mod : A mod which adds Naquadah in the world, with which you can build Stargates, teleporters, player detectors, mob generators, better enchantment tables, naquadah armors and tools... - Custom Signs Mod : A mod which allows signs to display custom textures based on their text. - Dropable Glass Mod : A small mod which allows you to retrieve glass blocks and glass panes without the silk touch enchantment.
    Downloads: 7 This Week
    Last Update:
    See Project
  • 12
    Sensa

    Sensa

    Android, DOS, FirefoxOS, Linux, MacOS and Windows all in one..

    Sensa is not an operating system, is a work environment compatible with Android © 4.4.4, Firefox OS ©, Linux Ubuntu 12.12 ©, MacOS Classic 7 ©, MS -DOS © operating systems, and Microsoft Windows 8.1 ©; whose distribution is free, and with source code available under GNU GPL 2.0 license .
    Downloads: 7 This Week
    Last Update:
    See Project
  • 13
    Silent Voice Generator

    Silent Voice Generator

    Processes dialogue text files exported by the Bethesda Softworks SDK

    Silent Voice Generator is an audio file utility designed to process the quest dialogue text documents exported by the Bethesda Softworks SDK (Construction Set / GECK / Creation Kit) and generate silent voice and lip-synch files based on user-defined parameters. D.A.
    Downloads: 7 This Week
    Last Update:
    See Project
  • 14
    It is a word puzzle game which can be played online. It is a Java Applet that can show crossword puzzles. The clues of these kind of puzzles are in squares. The applet can be put on a web-page where visitors can solve crossword puzzles interactively.
    Downloads: 7 This Week
    Last Update:
    See Project
  • 15
    jfCraft

    jfCraft

    jfCraft : Yet Another Minecraft Clone

    jfCraft is Yet Another Minecraft Clone built with the JavaForce library. Built from the ground up to look like the real thing. Uses the Faithful texture pack. Complex blocks and entities are loaded from Blender files. Now includes a built-in VoIP conference like TeamSpeak. This game is incomplete for now. The plan is to recreate the game in full and then go way beyond with plugins to create much more.
    Downloads: 7 This Week
    Last Update:
    See Project
  • 16
    GOdroid is an Android application to play the strategic board game Go against the GPL Go engine GNU Go. It contains a Go board UI and minor changes to GNU Go. This site contains the sources for the UI and the (few) changes to the GNU Go sources. Translations contributed by - Chinese: Jean Lea and Kid Wong - Russian: Шмойлов Валерий - Danish and Norwegian: Michael Berthelsen - Polish: Piotr Goliasz - Finnish: Daniel Landau - Romanian: Mircea Damian - Spanish: Pol Urós Guardiola - Portuguese (Brazil): Igor Costa - Italian: Alessio Gerola - Hungarian: Téglás Zoltán, review: András Oláh - French: Laurent L Volunteers for providing additional translations are very welcome - it's easy, just fill out a google docs/drive spreadsheet.
    Downloads: 2 This Week
    Last Update:
    See Project
  • 17
    Bei Ayirah handelt es sich um ein Java (tm)-basierendes Rollenspiel mit 2D Grafik. Ayirah is a Java (tm)-based Roleplaying Game with 2D graphics.
    Downloads: 6 This Week
    Last Update:
    See Project
  • 18
    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: 6 This Week
    Last Update:
    See Project
  • 19

    Blaze Machines

    Blaze Machines is a OS emulator modification for Minecraft

    Downloads: 6 This Week
    Last Update:
    See Project
  • 20
    A mod for craftbukkit (Minecraft server moded) that allow player to become Vampire able to flight and stronger than player, but will burn at the Sun.
    Downloads: 6 This Week
    Last Update:
    See Project
  • 21
    Chess

    Chess

    A simple 2D-Chess

    A 2D-Chess with many features, such as a multiplayer server and many others. It will also show you all movement possibilites you have. Playing against Computer is in development
    Downloads: 6 This Week
    Last Update:
    See Project
  • 22
    An Open Source portable pure Java game library with example games, Swing-based sprite animation engine, deployment framework, and firewall tunneling networking. The code is documented in the book Advanced Java Game Programming by David Wallace Croft.
    Downloads: 6 This Week
    Last Update:
    See Project
  • 23
    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
  • 24

    DSOL

    DSOL: A Distributed Simulation Object Library implemented in Java

    DSOL is a full featured multi-formalism, distributed simulation environment developed at Delft University of Technology (The Netherlands). DSOL has support for discrete event and for continuous modeling. Formalisms supported are event scheduling, DEVS, flow-based simulation, and continuous modeling through sets of differential equations. The first release was introduced at IEEE's Winter Simulation Conference in 2002. Since then, numerous papers and PhD dissertations have been developed, with applications in the fields of transportation and traffic, logistics, supply chain management, gaming and training, health care, and many others.
    Downloads: 6 This Week
    Last Update:
    See Project
  • 25
    GoGrinder is a Java application for practicing Go problems.
    Downloads: 6 This Week
    Last Update:
    See Project