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.

  • $300 Free Credits for Your Google Cloud Projects Icon
    $300 Free Credits for Your Google Cloud Projects

    Start building on Google Cloud with $300 in free credits. No commitment, no credit card required until you're ready to scale.

    Launch your next project with $300 in free Google Cloud credits—no strings attached. Test, build, and deploy without risk. Use your credits across the entire Google Cloud platform to find what works best for your needs. After your credits are used, continue with always-free tier services. Only pay when you're ready to scale. Sign up in minutes and start exploring.
    Start Free Trial
  • 99.99% Uptime for MySQL and PostgreSQL Databases Icon
    99.99% Uptime for MySQL and PostgreSQL Databases

    Sub-second maintenance. 2x read/write performance. Built-in vector search for AI apps.

    Cloud SQL Enterprise Plus delivers near-zero downtime with 35 days of point-in-time recovery. Supports MySQL, PostgreSQL, and SQL Server.
    Try Free
  • 1
    Handhistory Converter for IPoker-network, Pokerstars and Everestpoker. It converts the historys from Pokertracker into readable formats for forums, blogs and pokerhand.org. It reads cashgames and tourneys.
    Downloads: 19 This Week
    Last Update:
    See Project
  • 2
    Anathema

    Anathema

    Anathema has moved to http://anathema.github.com

    We have moved. Please visit us at our new website http://anathema.github.com where you will find downloads and ways to get in touch. See you there! Anathema is an exhaustive suite for all aspects of Exalted series management, featuring character and campaign management, media library, script notes and more. Supports both First and Second Edition. Exalted is (c) by White Wolf Publishing
    Downloads: 4 This Week
    Last Update:
    See Project
  • 3
    A complete scuba diving toolkit, which includes goodies such as mixing/blending utilities, divelog, and dive/decompression planner.
    Downloads: 18 This Week
    Last Update:
    See Project
  • 4
    FreeDip is a strategic, multi-player, board game written in Java and JSP
    Downloads: 18 This Week
    Last Update:
    See Project
  • Build Securely on Azure with Proven Frameworks Icon
    Build Securely on Azure with Proven Frameworks

    Lay a foundation for success with Tested Reference Architectures developed by Fortinet’s experts. Learn more in this white paper.

    Moving to the cloud brings new challenges. How can you manage a larger attack surface while ensuring great network performance? Turn to Fortinet’s Tested Reference Architectures, blueprints for designing and securing cloud environments built by cybersecurity experts. Learn more and explore use cases in this white paper.
    Download Now
  • 5
    jnostromo

    jnostromo

    E-Sport Drivers for the Razer Nostromo

    Deprecated - please use Keyboarding Master: https://sites.google.com/site/keyboardingmaster/ jnostromo provides drivers for the Razer Nostromo & Belkin N52/N52te designed to be E-Sport legal. Profiles are unique user defined keymappings and can be created for each game. Each profile can have up to 8 unique keymaps with mappings to switch between keymaps. jnostromo includes an easy to use configuration gui to map keys from the nostromo to the keyboard and/or mouse. The configuration gui can be hidden and at any time, the gui can be displayed by clicking on the system tray icon. Its the goal of this project to make jnostromo the driver of choice for E-Sports and competitive gamers! Version 1.5 Tutorial Video http://youtu.be/EkLRJiqoE_o Note, version 1.5.2 has just been released (tarball) which includes an important bug fix. Before, holding down a key repeats the key, now the application only receives a single key when a key is held down.
    Downloads: 10 This Week
    Last Update:
    See Project
  • 6
    Capa chess

    Capa chess

    Chess program

    Capa chess is a chess program. Features built-in simple engine, interface with external XBoard/WinBoard and UCI engines, basic plug-in capabilities, import/export, 2D/3D boards with customization. Java JRE 1.8 or above required.
    Downloads: 5 This Week
    Last Update:
    See Project
  • 7
    JStella is a Java-based Atari 2600 VCS emulator. It allows one to play old Atari 2600 games in an operating system independent manner. It also supports web page based applets. Its emulation core is based on Stella-Atari 2600 Emulator.
    Downloads: 6 This Week
    Last Update:
    See Project
  • 8
    tournament

    tournament

    Gestion de tournoi / Tournament management

    Tournament est une gestion de tournois écrit en java/SWT. Le but est de proposer une interface simple de gestion de poules et/ou d'éliminations. Tournament is a tournament management written in Java / SWT. The aim is to provide a simple interface for managing round robins and / or eliminations. Installation/Install https://sourceforge.net/p/swttournament/installation/Installation/ Si un graphiste passe sur cette page, un petit coup de main pour mon splash screen. Merci !! need help for translation: submit your translation !!! https://sourceforge.net/projects/swttournament/files/translations/
    Downloads: 6 This Week
    Last Update:
    See Project
  • 9
    The Neverhood Restoration
    Be warned this project was discontinued in 2013 and has not been updated in years.
    Downloads: 17 This Week
    Last Update:
    See Project
  • Your monitoring isn't a stack. It's a pile. Fix that. Icon
    Your monitoring isn't a stack. It's a pile. Fix that.

    Errors, performance, logs, uptime. One install, one invoice, one UI.

    Replace Datadog, New Relic, and Sentry without adding three more dashboards.
    Free 30 days.
  • 10

    Thermos

    MinecraftForge Server Software implementing the Spigot/Bukkit API

    Minecraft Forge Server Software implementing the Spigot/Bukkit API, formerly known as Cauldron/MCPC.
    Downloads: 17 This Week
    Last Update:
    See Project
  • 11
    XHSI - glass cockpit for X-Plane 10 & 11
    XHSI (eXternal High-resolution Simulator Instruments) is an add-on for the X-Plane flight simulator. It displays the PFD, ND, EICAS, Flaps and Gear indicator, Clock/Chronometer, etc... in separate windows. In general, the instruments can be displayed in B737-NG or A320 style.
    Downloads: 17 This Week
    Last Update:
    See Project
  • 12
    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: 5 This Week
    Last Update:
    See Project
  • 13
    Hokuto no Rogue
    Graphical roguelike set in the world of Hokuto no Ken (aka Fist of the North Star, Ken il Guerriero, Ken le Survivant). It's written in pure Java and features special moves, music and special graphics effects, allies.
    Downloads: 9 This Week
    Last Update:
    See Project
  • 14
    Downloads: 16 This Week
    Last Update:
    See Project
  • 15
    Java BiDiB Client

    Java BiDiB Client

    Java library to BiDiB (see http://www.bidib.org/)

    A Java library, providing an easy to use interface to the BiDiB protocol (see http://www.bidib.org/).
    Downloads: 16 This Week
    Last Update:
    See Project
  • 16
    Neighbor from Hell remake

    Neighbor from Hell remake

    Переделка игры "Как достать соседа"

    Переделка игры "Как достать соседа"
    Downloads: 16 This Week
    Last Update:
    See Project
  • 17
    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: 16 This Week
    Last Update:
    See Project
  • 18
    Chatty

    Chatty

    A Twitch Chat Client

    Chatty is a Twitch Chat Client for everyone who wants to try something different than the Webchat but doesn't want to miss out on many of the Twitch specific features.
    Downloads: 4 This Week
    Last Update:
    See Project
  • 19
    All-In Hon ModManager
    All-In Hon ModManager is a simple software to manage and control Heroes of Newerth Mods and Addons for final users (gamers).
    Downloads: 3 This Week
    Last Update:
    See Project
  • 20
    Pacman Game for J2ME enabled cellular phones. A CS 329 - Software Engineering II project for the University of Illinois.
    Downloads: 15 This Week
    Last Update:
    See Project
  • 21
    Mare Internum is a pure java, turn-based, multiplayer strategy game in the old days of rome.
    Downloads: 15 This Week
    Last Update:
    See Project
  • 22
    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: 15 This Week
    Last Update:
    See Project
  • 23
    Rolemaster Office
    PC and NPC character generator for Rolemaster RMFRP roleplaying system (from Iron Crown Enterprises). The program calculates all bonus and generates a nice PDF character sheet that contains additionally pages. The programm does not provide during-game support.
    Downloads: 3 This Week
    Last Update:
    See Project
  • 24
    CoffeeMud

    CoffeeMud

    Full featured MUD server with all the trimmings.

    CoffeeMud is a text-based virtual reality game engine (a MUD). It is a mature, full-featured Java codebase. It includes web (HTTP) and email (SMTP) servers, chat (IMC2 and I3) and web clients, and supports ANSI, MXP, and MSP.
    Leader badge
    Downloads: 3 This Week
    Last Update:
    See Project
  • 25
    A graphical roguelike with quick, arcade-like gameplay and an emphasis on hotseat cooperative play. Written in Processing. You can find me on RogueBasin with the username "RogueGamer"
    Downloads: 8 This Week
    Last Update:
    See Project