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
    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: 4 This Week
    Last Update:
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  • 2
    Single player Space Hulk board game for Java enabled mobile phones.
    Downloads: 4 This Week
    Last Update:
    See Project
  • 3
    Mobile Sudoku Solver
    Mobile Sudoku Solver is a Java (J2ME) application for solving, designing and playing Sudoku puzzle game on mobile devices. It can find all the solutions available and hold them all in memory. You can select one of them, edit and solve it again.
    Downloads: 4 This Week
    Last Update:
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  • 4

    OpenQuest

    OpenQuest is a computer game conversion of the board game HeroQuest.

    OpenQuest is a computer game conversion of the board game HeroQuest. The play supports Multiplayer as well as Singleplayer. The representation takes place in a isometric view (like e.g. Transport Tycoon, UFO - Enemy Unknown, etc.).
    Downloads: 4 This Week
    Last Update:
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  • 5
    OpenTetris Classic

    OpenTetris Classic

    Open-Source Classic Tetris

    OpenTetris Classic is a full recreation of the 1989 hit Classic, Tetris. This is modeled after the GameBoy Version, with a few teaks and fixes. OpenTetris classic is in the Beta stages, but I hope it will be finished soon. *NOTE All the Images and Sounds used in this Game are not my own, those are owned by Nintendo
    Downloads: 4 This Week
    Last Update:
    See Project
  • 6
    Planetmule
    Free-to-play multiplayer version of the 8-bit classic M.U.L.E.
    Downloads: 4 This Week
    Last Update:
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  • 7
    Reversi game with minimax algorithm
    Downloads: 4 This Week
    Last Update:
    See Project
  • 8
    This is RoboCup player. The player can be used with soccer server system (http://sserver.sourceforge.net). It can be used as a library for your custom player or can be programmed with build-in scripting language (very simple).
    Downloads: 4 This Week
    Last Update:
    See Project
  • 9
    SARGE - Search And Rescue Game Environment is a multi-player training game for robot operators which also supports agent based robot control for simulation work via TCP.
    Downloads: 4 This Week
    Last Update:
    See Project
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  • 10
    SC4DBPF4J
    This Java package handles DBPF files which are used in SimCity 4. The NEW version (2.0) has all functions in one JDBPF package. JavaDoc can be found here: "http://caspervg.net/jdbpf/javadoc/". The OLD version (<1.6) has its basic functions packaged in the DBPF4J. Extended functions which needs some libraries (XTools) are in the DBPF4J-Ext package.
    Downloads: 4 This Week
    Last Update:
    See Project
  • 11
    SaveCracker is a binary file compare utility that allows users to modify their existing video game save files. SaveCracker users have the ability to replenish their in-game health, items, stats, or even unlock hidden levels and characters.
    Downloads: 4 This Week
    Last Update:
    See Project
  • 12
    A game, where you have to manage a supermarket by adding/removing shelves, filling them, set prices, ... Get the costumers to by at your supermarked!
    Downloads: 4 This Week
    Last Update:
    See Project
  • 13
    Simulation of star movements with great visualizations of flights through star fields.
    Downloads: 4 This Week
    Last Update:
    See Project
  • 14
    SkyChess
    A chess game for play with your partner in LAN. This have simple usage and friendly interface. Let's play and feel !!!
    Downloads: 4 This Week
    Last Update:
    See Project
  • 15
    Solarex - Travel and Explore the Galaxy
    Solarex is a space traveling, trading and prospecting game built upon a stellar system generator. There is a galaxy full of stellar systems with all sorts of treasures to explore - so enter your spaceship, buy some fuel and head off!
    Downloads: 4 This Week
    Last Update:
    See Project
  • 16
    Space Opera is a space colonization game similar to 'Master of Orion' or 'Galactic Civilizations'. You can explore the universe, colonize planets, fight aliens and research technologies. Images were created with Povray and Terragen. - No changes in the last two years - probably abandoned
    Downloads: 4 This Week
    Last Update:
    See Project
  • 17
    SuperLauncher is an alternative launcher for Minecraft
    Downloads: 4 This Week
    Last Update:
    See Project
  • 18
    Tabula Chess
    Tabula is Java library which furnishes a free-standing chess board component and an API through which clients of the library may extend the behavior of the board and interact with it.
    Downloads: 4 This Week
    Last Update:
    See Project
  • 19
    Team Spirit Hattrick (TS-H)

    Team Spirit Hattrick (TS-H)

    Estimation des variations de TS sur la saison pour son Hattrick-club.

    Le fichier permet d'estimer les variations naturelles et forcées de l'esprit d'équipe (TS = Team Spirit) de votre club durant l'intégralité d'une saison du jeu Hattrick (http://www.hattrick.org). Vous pouvez ainsi planifier vos matchs officiels joués "tranquille", "normal" ou "match de la saison" et voir les effets à long terme de vos choix tactiques. Vous pouvez librement ouvrir un ticket en cas de bug repéré ou pour proposer des améliorations (https://sourceforge.net/p/tshattrick/tickets/) Le bouton vert "Download" permet l'accès direct au téléchargement de la version OpenCalc. Cliquer sur "Browse All Files" sous ce bouton pour accéder aux fichiers utilisables sous Excel. Le fichier .ods est utilisable sous OpenCalc 3 et LibreCalc 3. Le fichier .xlsx est utilisable sous Excel 2010. Le fichier .xls est utilisable sous Excel 97-2003. Le tableur gratuit calc est disponible ici : http://www.openoffice.org/fr/ ou http://fr.libreoffice.org/telecharger/
    Downloads: 4 This Week
    Last Update:
    See Project
  • 20
    A Java Servlet based generic game tournament pool bracket tracking application suitable especially for the NCAA basketball championship tournament. Features include bracket enterring, multiple scoring systems, multiple users, groups, pools, etc.
    Downloads: 4 This Week
    Last Update:
    See Project
  • 21
    Web Based Travian Companion T3.5 helps us one-on-one when we plays the Travian game. It will relieve us from waiting for a task to come. We focus on designing and pursuing the strategic goals, and sleep well in the night. T3.5 is a stable product.
    Downloads: 4 This Week
    Last Update:
    See Project
  • 22
    VAST is a P2P network library that supports virtual environment applications such as Massively Multiplayer Online Games (MMOG) or large-scale simulations. It is scalable to millions of nodes, bandwidth-efficient, and simple to use.
    Downloads: 4 This Week
    Last Update:
    See Project
  • 23

    Wild D6 for android

    Android dice roller for the D6 role-playing system

    Dice roller for the D6 role-playing system, complete with wild die simulation. Audio feedback and numeric checking for individual dice values. Supported platforms are android devices. Build target was android 5.0 but it should work just fine on older versions. App and code is supplied "as-is". I take no responsibility for any damage they may cause. To install: Browse, using your android device, to "Files" (on this site). Then click the .apk file to install. You can also compile the project by importing it in Eclipse (wild d6.zip)
    Downloads: 4 This Week
    Last Update:
    See Project
  • 24
    Z-Machine Preservation Project
    An Interactive Fiction Player written for Java Virtual Machine. It implements the Z-machine and Glulx specifications and can be used either standalone or as an applet. The Z-Code/Glulx interpreter runs adventures made by Infocom and contemporary Inte
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    Downloads: 4 This Week
    Last Update:
    See Project
  • 25
    'betoffice' is a Java based football management tool (someone would say a 'betting-office'). It helps to organize a betting office around some football matches.
    Downloads: 4 This Week
    Last Update:
    See Project