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.

  • Enterprise-grade ITSM, for every business Icon
    Enterprise-grade ITSM, for every business

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    MongoDB Atlas runs apps anywhere

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  • 1
    KoLmafia
    KoLmafia is a cross-platform desktop tool which interfaces with the online adventure game, Kingdom of Loathing. KoLmafia is written in Java ( Java 17 required), with binary releases in JAR format. We have moved to https://github.com/kolmafia/kolmafia, please come and find us there!
    Downloads: 9 This Week
    Last Update:
    See Project
  • 2
    Paint 2d

    Paint 2d

    Paint Program

    Paint Program for linux mint and Android
    Leader badge
    Downloads: 14 This Week
    Last Update:
    See Project
  • 3
    Downloads: 4 This Week
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  • 4

    Basic Hex Map Sphere

    A Basic Hexagonal map on the surface of a sphere.

    A Basic Hexagonal map on the surface of a sphere. Project still in development.
    Downloads: 1 This Week
    Last Update:
    See Project
  • AI-generated apps that pass security review Icon
    AI-generated apps that pass security review

    Stop waiting on engineering. Build production-ready internal tools with AI—on your company data, in your cloud.

    Retool lets you generate dashboards, admin panels, and workflows directly on your data. Type something like “Build me a revenue dashboard on my Stripe data” and get a working app with security, permissions, and compliance built in from day one. Whether on our cloud or self-hosted, create the internal software your team needs without compromising enterprise standards or control.
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  • 5
    JPCme
    JPCme is a MIDlet program written in java based on JPC (http://sourceforge.net/projects/jpc/) that emulate old MS-DOS to run old games, like keen4, dynabomber, ecc... it is a j2me dos emulator The target devices for this MIDlet is NOKIA S60 series.
    Downloads: 3 This Week
    Last Update:
    See Project
  • 6
    BBA是一个为在线篮球经理游戏Buzzerbeater开发的辅助工具。访问 http://bba.genpoc.googlepages.com 获得软件和说明。 BBA is an assistant tool for online basketball game Buzzerbeater. Get it from http://bba.genpoc.googlepages.com
    Downloads: 1 This Week
    Last Update:
    See Project
  • 7
    Galaxy Domination
    A free android game. Conquiers the galaxy by destroying ennemis. Each planet you control create ships for your army. Send your ships attack other planets to dominate the galaxy. Download the GalaxyDomination.apk file to install in your android.
    Downloads: 1 This Week
    Last Update:
    See Project
  • 8

    Heuristic Goal-seeking Framework

    Fifteen puzzle, with its own goal-seeking to find the best solution

    This project implements the "fifteen puzzle", but it has a twist: the program can solve the puzzle perfectly. The project contains a simple JAVA framework that implements heuristic goal-seeking algorithms. We use this to search for the best solution, but the framework is general-purpose and can be used for similar one-person puzzles. Using this framework will allow developers to focus on a specific domain of interest, while leaving many of the AI concepts and goal-searching concepts to be implemented by the framework The front-end classes use Swing and thus can be run via the Web. Feel free to ask questions or to send feedback.
    Downloads: 1 This Week
    Last Update:
    See Project
  • 9
    This project contains a framework, built to be used in a Digital Game Design Undergraduate course. Such framework allow a better learning of object-oriented principles by first-grade students.
    Downloads: 1 This Week
    Last Update:
    See Project
  • Find Hidden Risks in Windows Task Scheduler Icon
    Find Hidden Risks in Windows Task Scheduler

    Free diagnostic script reveals configuration issues, error patterns, and security risks. Instant HTML report.

    Windows Task Scheduler might be hiding critical failures. Download the free JAMS diagnostic tool to uncover problems before they impact production—get a color-coded risk report with clear remediation steps in minutes.
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  • 10
    Main task of this project is to provide java3d scene loader for Bioware Neverwinter Nights(c) game models. It also covers some utilities built on top of it - animation preview, model optimalization and convertion, skinning preview etc.
    Downloads: 1 This Week
    Last Update:
    See Project
  • 11
    RPG project LightShadow v0.5 fun project with knowladge learned from AP comp sci in school
    Downloads: 1 This Week
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    See Project
  • 12
    A space game programmed in Java ME (J2ME). It uses MIDP2.
    Downloads: 1 This Week
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    See Project
  • 13
    A small and easy to use framebuffer graphics library
    Downloads: 1 This Week
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  • 14
    Xbpad

    Xbpad

    Xbpad - Use your xbox pad as keyboard and mouse.

    With Xbpad, you can use an Xbox 360® controller to surf the web and play games and music on your PC. It's a comfortable alternative to the keyboard and mouse. Using Xbpad with a wireless controller means you don't need to sit by your computer. You can control your music player wirelessly. You can also connect your computer to your TV and browse the web wirelessly using your controller. Xbpad lets you use a comfortable controller instead of the mouse and keyboard. If you find clicking a mouse difficult, squeezing a controller trigger might be a good alternative. If you need to stay away from the keyboard, you might like to try Xbpad instead. Download: Choose between application bundled with JRE or without. Github: https://github.com/ddwreczycki/Xbpad64 https://github.com/ddwreczycki/Xbpad32 Softpedia reviews: http://www.softpedia.com/get/System/System-Miscellaneous/Xbpad.shtml
    Downloads: 1 This Week
    Last Update:
    See Project
  • 15
    This tool automatically updates the Neverwinter Nights hak packs of the ALFA (A Land Far Away - www.alandfaraway.org) Persistent World. It is based on one of the public domain tools offered by the nwn-j3d sourceforge project.
    Downloads: 0 This Week
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    See Project
  • 16
    Aibalone is a free implementation of an Artificial Intelligence for the game Abalone. The project is written in java.
    Downloads: 0 This Week
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    See Project
  • 17
    Amazing Crisis Labyrinth is a free clone of the game Amazing Labyrinth, with some transformations. The project is written in java, and aims to be didactic.
    Downloads: 0 This Week
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    See Project
  • 18
    This is just a little text based adventure game that I am working on to refresh my java skills. Not really too exciting, and as such, this will basically just be used as a source repository, and that's it.
    Downloads: 0 This Week
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    See Project
  • 19
    Android Robo Combat

    Android Robo Combat

    self-programmed android game

    The scope is to create a android game, by using Java. Robo Combat is a game that is like the well known game Mario World. It also includes a simple map editor. For developers: Suitable for beginners in the programming language Java. Please download following programs: - Eclipse + ADT plugin - Android SDK Tools - Android Platform-tools - The latest Android platform - The latest Android system image for the emulator All this is available in the bundle: http://developer.android.com/sdk/index.html
    Downloads: 0 This Week
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  • 20
    A puzzle game for architects. Building a complex shape from basic solids using solid editing (union, subtraction, intersection)
    Downloads: 0 This Week
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  • 21
    ArdReil is a multiplayer, multiplatform, networked strategy game of galactic conquest and resource management, providing opportunities for diplomacy, betrayal, cunning, and cooperation. Unite the Galaxy - preferably under your own flag.
    Downloads: 0 This Week
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  • 22
    Atebit

    Atebit

    A Platformer game

    Atebit is a platformer game.
    Downloads: 0 This Week
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    See Project
  • 23
    Downloads: 0 This Week
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  • 24
    Bat Attack

    Bat Attack

    Bat Attack is a cool classical 8bit game to save wife from the Bats

    Bat Attack is a cool classical 8bit game with bats instead and a lot of comic blood and gore and comical media with a funny story mode. The story starts when the main character 'Dave' is driving on his honeymoon with his wife Betty when an Evil bat swoops down and take his dearly beloved off. You have to get Betty back by using the guns available to your disposable. When the bats are killed they make a mess all over the ground and sometimes drop weapons they have devoured. There are three weapons available handgun / shotgun / and machine, all useful in there own way. There are three bosses to kill that can be tricky, but don’t let them take your head.
    Downloads: 0 This Week
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    See Project
  • 25
    Online Strategy-RPG. No map adventures. Just duels. Fight with team of your heroes NPCs or another players to gain new abilities, spells and items. The game is inspired by Disciples and Heroes of Might & Magic series. See http://btrgame.com
    Downloads: 0 This Week
    Last Update:
    See Project
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