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
    PolanieOnLine
    PolanieOnLine is multiplayer online 2D game using Java and SQL.
    Downloads: 6 This Week
    Last Update:
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  • 2
    jDip is a tool for mapping, managing, and adjudicating Diplomacy games. It has a simple but powerful graphical interface, with a richly customizable map display. Windows, Linux, Mac OS X, and Solaris are supported. Over 25 variants are supported.
    Leader badge
    Downloads: 3 This Week
    Last Update:
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  • 3
    Blasteroids is a multiplayer implementation of the famous Asteroids game, coded in Java.
    Downloads: 10 This Week
    Last Update:
    See Project
  • 4
    Bloft (BLObby and sOFT) is a real-time soft-body physics simulator optimized for real-world mobile phones. It is written in Java and uses fixed-point math only. Memory allocations are minimized to suite the needs of JVMs in older mobile phones.
    Downloads: 10 This Week
    Last Update:
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  • 5
    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: 10 This Week
    Last Update:
    See Project
  • 6
    The Reactive Plot Library runs interactive branching conversations, supports multiple undos and uses XML story scripts. It comes with Script Player, a choose-your-own-adventure game player. See project website (www.reactiveplot.com) for more info.
    Downloads: 10 This Week
    Last Update:
    See Project
  • 7
    J2ME Ataxx board game, with support for Bluetooth multiplayer. Running on any Java-enabled mobile or PDA.
    Downloads: 10 This Week
    Last Update:
    See Project
  • 8
    Tools for the recipe collector :-) RecipeFox: A addon to FireFox to grab recipes from the net (like the MasterCook addon in Internet Explorer) A recipe converter: It converts recipes from one format to another, and supports the following formats: - AccuC
    Downloads: 2 This Week
    Last Update:
    See Project
  • 9

    Little Fighters

    Android version of Little Fighters

    "Little Fighters" is the android version of the famous PC-game Little Fighter 2 (LF2).
    Downloads: 9 This Week
    Last Update:
    See Project
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  • 10
    Find releases and source code repositories from Files and Git.
    Downloads: 9 This Week
    Last Update:
    See Project
  • 11

    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: 9 This Week
    Last Update:
    See Project
  • 12
    A desktop D20 dice roller written in Java. Simple polyhedral rolls are supported as well as composite rolls (eg. Roll attack, damage and special damage all at once reporting on the three rolls).
    Downloads: 9 This Week
    Last Update:
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  • 13
    osm2xp

    osm2xp

    Generate X-Plane 11, 10 and 9 scenarios from OSM data

    osm2xp 3.0 was forked from original osm2xp 2.0 created by Benjamin Blanchet The program takes PBF file with OSM data for some area as input and supports the generation of following based on it: * Buildings based on facades and 3D objects with differing residential, industrial, etc. * Forest zones with basic multipolygon support * Some objects by rules - cranes, towers... * Roads, with trying to select best matching road type, if lane count data is present in OSM * Railways * Power lines * Barriers, two types are supported - fence and wall * Water tanks, fuel tanks, gasometers * Chimneys, cooling towers - by inserting special objects with size closest to necessary * Airfields (apt.dat) with runways, helipads, and taxiways - starting from 3.5.0 The program requires Java 8 or newer to run. Version 3.x is Windows-only, 4.0 also supports Linux and has console versions. Installation: download zip file, unpack it where you want, start 'osm2xp.exe'
    Downloads: 9 This Week
    Last Update:
    See Project
  • 14
    GTADS is an open source multiplayer server and client suite to allow players of GTA1, GTA2, and other Lan based games to play each other in a convenient and efficient fashion.
    Downloads: 8 This Week
    Last Update:
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  • 15
    GameLauncher is a Game ROM Managment Tool designed to make emulating games easier than playing them on a console! Windows 2.0 Beta releases now available!!
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    Downloads: 8 This Week
    Last Update:
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  • 16
    GoGrinder is a Java application for practicing Go problems.
    Downloads: 8 This Week
    Last Update:
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  • 17
    JKlubTV

    JKlubTV

    Java Schach Turnierverwaltung / Java Chess Tournament Management

    Manage chess round robin tournaments with JKlubTV Version 3.0.0-beta This application stores the data belonging to round robin into a SQLite database. It is intended for webmasters who want to easily manage a club tournament in their own chess club. The HTML tables that are to be published for the website will be created easily by the application. Automatically calculate the total points, Sonneborn Berger points of each player, as well as their sequence DWZ, and sorts the HTML table by the calculated Rangliste.Desweiteren it is possible the tables as to save PDF file. The software is free (Opensource). - can access the DFB player database - the tables can export into HTML, PDF or Excel format - expects the result from DWZ - counted the points and the Sonneborn Berger figures - automatically sorts the crosstab after ranking Sourcecode on github.com: https://github.com/mars7105/Chess-Round-Robin-Manager Website: https://www.chessrobin.de/
    Downloads: 8 This Week
    Last Update:
    See Project
  • 18
    OpenRadar

    OpenRadar

    OpenRadar is a standalone radar screen for FlightGear

    OpenRadar is a standalone radar screen which connects to the FlightGear multiplayer servers. Coastlines, lakes, airfield layouts and airspaces are being read from shapefiles. It supports Multiplayer Chat and multiple FGCom frequencies.
    Downloads: 8 This Week
    Last Update:
    See Project
  • 19
    The Tactics Editor for Squad Actions (TESA) is a strategy editor for computer games. It is fully customizable and not fixed for use on one particular game.
    Downloads: 8 This Week
    Last Update:
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  • 20
    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: 8 This Week
    Last Update:
    See Project
  • 21
    bawo is the Malawian version of an ancient African board game based around a simple counting apparatus. bawo (Malawi), bao (Tanzania) and omweso (Uganda) belong to the globally prevalent (spread by the African diaspora) mancala group of games.
    Downloads: 8 This Week
    Last Update:
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  • 22
    JagoClient is a Java software to play the board game Go over internet servers, to edit Go game records, to play against the computer (with gnugo), and to play point-to-point games.
    Downloads: 8 This Week
    Last Update:
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  • 23
    This game is an improved remake of old Atari800xl game Zenji. The goal is to move around labyrinth and transform it. When all fields of labyrinth are connected level is completed. There are also some monsters that are trying to kill ya'.
    Downloads: 8 This Week
    Last Update:
    See Project
  • 24
    winebox

    winebox

    Run Windows applications on any computer.

    WineBOX is an Open Source implementation of the Windows API and a program loader, allowing many unmodified Windows binaries to run on x86-based computers with out need a operative system.
    Downloads: 8 This Week
    Last Update:
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  • 25
    Ships Clock will ring a bell on every half-hour in the style of the standard ship's clock used for centuries on sailing ships around the world and still used in the world's navies today.
    Downloads: 4 This Week
    Last Update:
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