Browse free open source JavaScript Games and projects below. Use the toggles on the left to filter open source JavaScript Games by OS, license, language, programming language, and project status.

  • $300 Free Credits to Build on Google Cloud Icon
    $300 Free Credits to Build on Google Cloud

    New customers can spin up VMs, build with AI, and query data at no cost.

    Put your $300 in credit toward real workloads, then keep building with free monthly usage for 20+ products. No commitment and no charge until you upgrade.
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  • MongoDB Atlas runs apps anywhere Icon
    MongoDB Atlas runs apps anywhere

    Deploy in 115+ regions with the modern database for every enterprise.

    MongoDB Atlas gives you the freedom to build and run modern applications anywhere—across AWS, Azure, and Google Cloud. With global availability in over 115 regions, Atlas lets you deploy close to your users, meet compliance needs, and scale with confidence across any geography.
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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: 2 This Week
    Last Update:
    See Project
  • 2
    Maze War SVG

    Maze War SVG

    The famous Maze War game recreated as a modern web application.

    Maze War SVG is a web-based recreation of the Maze War game written for the Macintosh, circa 1987. That, in turn, was inspired by the first Maze War game, which was created in 1973 by Steve Colley, Howard Palmer and Greg Thompson.
    Downloads: 6 This Week
    Last Update:
    See Project
  • 3
    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: 7 This Week
    Last Update:
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  • 4
    Ceres CP, to use with eAthena and other Athena SQL based servers
    Downloads: 2 This Week
    Last Update:
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  • Custom VMs From 1 to 96 vCPUs With 99.95% Uptime Icon
    Custom VMs From 1 to 96 vCPUs With 99.95% Uptime

    General-purpose, compute-optimized, or GPU/TPU-accelerated. Built to your exact specs.

    Live migration and automatic failover keep workloads online through maintenance. One free e2-micro VM every month.
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  • 5
    X-Core

    X-Core

    The original Xivio.com World Server Core

    Xivio.com was a commercial children's virtual world website created in 2006 by Gavin Conrad. This is the legacy World Server Java Core made available to the world to do with as it wishes.
    Downloads: 3 This Week
    Last Update:
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  • 6
    FreeDip is a strategic, multi-player, board game written in Java and JSP
    Downloads: 3 This Week
    Last Update:
    See Project
  • 7
    The program Virtual Network Simulator for Web 2.0 is a tool that allows the simulation of assembly and configuration of computer network projects, virtual or physical. It also simulate the sending of a package between the hots of origin and destinati
    Downloads: 1 This Week
    Last Update:
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  • 8
    MOAGG is a 2D gravity game, combining the idea and fun of several existing games, such as Space Taxi (C64) and Gravity Force (Amiga).
    Downloads: 1 This Week
    Last Update:
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  • 9
    Shoddy Battle (later known as Pokémon Lab) is a Pokémon simulator created by Cathy and bearzly and first released in July 2007. It allows users to play Pokémon matches against other people online. Shoddy Battle was highly influential on the game of competitive Pokémon because it was free and open source, scalable (700,000 battles per month during its peak), user customisable and extensible, and it provided unprecedented statistical data on player skill and Pokémon usage trends. Visit the web site for more information.
    Downloads: 1 This Week
    Last Update:
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  • Demo Series - Small Business Backup By Veeam Icon
    Demo Series - Small Business Backup By Veeam

    Learn how to protect your Microsoft 365 data, with simple, actionable tips today.

    Watch this on-demand demo series and learn how to protect your Microsoft 365 data with clear, simple, actionable steps that are easy to implement for businesses of all sizes.
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  • 10
    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: 1 This Week
    Last Update:
    See Project
  • 11
    Open Clan Manager (OCM) ist ein auf PHP & MySQL basierender clanintern / [RG]intern Nachbau. Open Clan Manager (OCM) is a free clanintern / [RG] intern replacemant based on PHP & MySQL.
    Downloads: 1 This Week
    Last Update:
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  • 12
    12 Ways to Die on an Asteroid is a science-fiction/murder mystery adventure game. The engine is built in Java and designed to be modular. Included is a set of game-development tools, which enable anyone who knows JavaScript to make an adventure game.
    Downloads: 0 This Week
    Last Update:
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  • 13
    Alcibiade Chess

    Alcibiade Chess

    Next generation web chess club

    From the creator of MKGI Chess Club comes this next generation chess club. Completely re-written from scratch on the latest software frameworks, it features: social networks connection, scalable data storage, stunning graphics and much more to come. This project has two parts: - A Java Chess library containing board models, rules and PGN format management - A complete Chess web application based on the core Java library
    Downloads: 0 This Week
    Last Update:
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  • 14

    Aliza Gaming API

    An extensible development framework for roleplay games.

    AlizaGameAPI is a robust, open-source Java-based framework designed to streamline and enhance the development of 2D and 3D games. It offers a comprehensive set of tools, utilities, and libraries, empowering developers to create immersive and dynamic gaming experiences with ease. Key Features: Modular Architecture, Rich Graphics and UI Components, Comprehensive Game Logic and Character Management, Environment and World-Building Tools, Statistical and Mathematical Utilities, Enhanced Debugging and Logging, Data Management and Integration, Integrated LLM for NPC Dialog, Cross-Platform Compatibility Dive into the world of game development with AlizaGameAPI. Download the latest version, explore the detailed documentation, and join the community of developers pushing the boundaries of gaming technology.
    Downloads: 0 This Week
    Last Update:
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  • 15
    Real-time space based strategy game utilizing both economic and military strategies.
    Downloads: 0 This Week
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  • 16
    AtreyuMS is a server emulator which replicates the functionality of a MapleStory server. The emulator is cross-platform compatible since it is coded in Java.
    Downloads: 0 This Week
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  • 17
    This is our Bleach game. We have a fairly large team of developers so have made our code SVN!
    Downloads: 0 This Week
    Last Update:
    See Project
  • 18

    Carolina Roller Derby Scoreboard

    CRG is now on GITHUB and Facebook

    Development of CRG is now in https://www.facebook.com/groups/126006504596245 (This is for DEVELOPERS). For Users, use the normal Derby Scoreboard group https://www.facebook.com/groups/derbyscoreboard/
    Downloads: 0 This Week
    Last Update:
    See Project
  • 19
    Round based, noninteractive, ai-scriptable strategic game. Players can make ai-scripts for vehicles (tank, jeep...), and the system play the game with scripts. AI-script can write in JavaScript. The game has a pure functional graphics.
    Downloads: 0 This Week
    Last Update:
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  • 20
    Cloud9 is a web-based MUD client that uses the full power of JavaScript, HTML, and CSS in order to deliver a flexible, good looking, powerful MUD client that can run on any machine without installation, utilizing a plain web browser (w/ JVM 1.4 support).
    Downloads: 0 This Week
    Last Update:
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  • 21
    Browser-based MMORPG, similar to Margonem. Uses jQuery to display engine in web browser and server application written in Java
    Downloads: 0 This Week
    Last Update:
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  • 22
    Conquer-Space.net is a browser-based online massively multiplayer space build-up strategy and exploration game. Written in 100% Java, it features a built-in webserver and database. It started in mid-2001 and went Open-Source in late 2004. And it works!
    Downloads: 0 This Week
    Last Update:
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  • 23
    Enjoy doing the crossword in the morning? But your paper doesn't print one on Sundays! Why not store the old crosswords in your computer so you can replay them anytime. Crosswordsaver keeps them in a database, you can play them later from your browser.
    Downloads: 0 This Week
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  • 24
    Cux Bomberman

    Cux Bomberman

    JAVA websocket implementation for a bomberman-like game

    This application uses JAVA and Glassfish server to provide an active and simple webSocket server for an online, multiplayer bomberman-like game. It only requires a running glassfish server to deploy the application on and a MySQL database server. After deployment and first run, anyone can access your webserver, register and play the game, using only a web browser that has built-in support for webSockets
    Downloads: 0 This Week
    Last Update:
    See Project
  • 25
    Dark Destiny
    Dark Destiny is a turn-based online space strategy game playable in internet browsers. The game tries to draw the players attention to long-term strategic decisions and extensive diplomacy.
    Downloads: 0 This Week
    Last Update:
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