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.

  • Easy-to-use online form builder for every business. Icon
    Easy-to-use online form builder for every business.

    Create online forms and publish them. Get an email for each response. Collect data.

    Easy-to-use online form builder for every business. Create online forms and publish them. Get an email for each response. Collect data. Design professional looking forms with JotForm Online Form Builder. Customize with advanced styling options to match your branding. Speed up and simplify your daily work by automating complex tasks with JotForm’s industry leading features. Securely and easily sell products. Collect subscription fees and donations. Being away from your computer shouldn’t stop you from getting the information you need. No matter where you work, JotForm Mobile Forms lets you collect data offline with powerful forms you can manage from your phone or tablet. Get the full power of JotForm at your fingertips. JotForm PDF Editor automatically turns collected form responses into professional, secure PDF documents that you can share with colleagues and customers. Easily generate custom PDF files online!
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  • Time tracking software for the global workforce Icon
    Time tracking software for the global workforce

    Teams of all sizes and in various industries that want the best time tracking and employee monitoring solution.

    It's easy with Hubstaff, a time-tracking and workforce management platform that automates almost every aspect of running or growing a business. Teams can track time to projects and to-dos using Hubstaff's desktop, web, or mobile applications. You'll be able to see how much time your team spends on different tasks, plus productivity metrics like activity rates and app usage through Hubstaff's online dashboard. Most of the available features are customizable on a per-user basis, so you can create the team management tool you need.
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  • 1
    Blocker

    Blocker

    Multiplayer online game using Phaser + WebSocket (Socket.IO)

    Blocker is a work-in-progress multiplayer online game developed using Phaser and WebSocket (Socket.IO). It features real-time player interactions in a 2D environment, allowing users to control characters using mouse or keyboard inputs.
    Downloads: 4 This Week
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  • 2
    Matter.js

    Matter.js

    A 2D rigid body physics engine for the web

    Matter.js is a flexible 2D rigid body physics engine written in JavaScript, designed for use in web applications to simulate real-world physical interactions within the browser. It offers a comprehensive set of physics features like gravity, collisions, restitution (bounces), friction, sleeping bodies, and constraint systems that enable developers to build interacting objects with realistic motion. This engine can power everything from dynamic interactive animations and educational simulations to fully fledged physics-based games, and it works across major browsers and devices. Through modules such as Matter.Body, Matter.Composite, and Matter.Constraint, developers can create complex scenes with multiple bodies, jointed structures, and collision responses. Matter.js is popular in the web development community due to its simplicity, extensibility, and rich documentation, allowing both beginners and experienced programmers to leverage physics without deep expertise.
    Downloads: 4 This Week
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  • 3
    Sabaki

    Sabaki

    An elegant Go board and SGF editor for a more civilized age

    An elegant Go board and SGF editor for a more civilized age. Sabaki is a modern, elegant, cross-platform Go/Baduk/Weiqi board and SGF editor for a more civilized age. It’s free, open source and uses web technology based on Electron. You can see its code, contribute or report an issue at our GitHub repository. Sabaki offers a variety of board markup tools, including the SGF 4-compliant line and arrow tool. Annotate your positions and moves, set hotspots in your favorite games, write reviews in Markdown. Sabaki also supports SGF game containers, saving and reading multiple games within one file. Score your games using area or territory counting. You can also use the score estimator to see which player is ahead in mid-game. Toggle the life & death status of groups to refine the estimation.
    Downloads: 4 This Week
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  • 4
    QuickPlay

    QuickPlay

    Retro-Gaming Multi-Emulator Frontend. Frontend-of-Frontends

    Welcome to the QuickPlay homepage. QuickPlay - MAME Edition is a powerful Windows universal emulator frontend, which has support for countless emulators, systems, game sets and other emulation frontend projects. Its main focus is on being user friendly, simple to set up, yet thorough: its a combined searchable library for all of your retro-gaming...It has a novel Emulator Finder system that takes the hassle out of initial setup and ongoing maintainance
    Downloads: 25 This Week
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  • Rev Your Digital Product Delivery Engine Icon
    Rev Your Digital Product Delivery Engine

    Enterprise-grade platform designed to connect strategy, planning, and execution across digital product development and software delivery

    Planview links your technology vision directly to teams' daily work, providing complete visibility and control over your digital product delivery ecosystem.
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  • 5
    Typing Baba: Hindi Typing Tutor

    Typing Baba: Hindi Typing Tutor

    Typing Baba: Hindi Typing Tutor, Learn Hindi typing

    Typingbaba: Hindi typing tutor is an app made for learners of each and every capacity. It will improve the learning curve of every user. Typing baba is designed for hindi typing learners besides this it will help the intermediate learners to excel via accectuating and refining their skill and strong points. It includes hindi typing lessons which are meant to increase typing speed and accuracy of users. This tutor is designed by taking into account all shortcomings of new users so that in short time they can achieve great progress bu weeding out all the stumbling process of learning. We developed this typing tutor after having more than enough experience in making the individuals trained. Features: Hindi Typing Tutor KrutiDev 010
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    Downloads: 90 This Week
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  • 6
    The Game Center

    The Game Center

    The Game Center offers unblocked games

    The Game Center offers unblocked games which does not require an administrator or really anything to run, and that are adjusted for lower-end computers or laptops. Things such as Grand Theft Auto, Minecraft, or many types of web game applications are completely free to download!
    Downloads: 3 This Week
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  • 7
    Tower Building Game

    Tower Building Game

    HTML5 Canvas Tower Building Game

    Tower Building Game is a small game project — likely implementing a classic “tower defense” or “tower-based” game — designed to showcase game-development fundamentals such as rendering, game logic, user interaction, and possibly simple physics or animations. As an open-source repository, tower_game aims not only to deliver a playable game, but also to serve as a learning resource or template: developers can inspect its code, understand how game loops, input handling, asset management, and state updates are organized. This makes it useful for programmers who are curious about games but don’t want to start from scratch. Because simple games often involve fewer dependencies and easier build processes than full-scale games, tower_game can be a good starting point for hobbyist developers, students learning programming or graphics, or for integration as a mini-game inside larger projects. Additionally, its open-source nature lets contributors fork and improve it.
    Downloads: 3 This Week
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  • 8
    vgstation13

    vgstation13

    Multiplayer space station roleplaying game built on BYOND engine

    vgstation13 is an open-source multiplayer roleplaying game set on a space station, where players assume different roles such as engineers, doctors, security officers, or even traitors. The game is built using the BYOND engine and emphasizes emergent gameplay, teamwork, chaos, and storytelling. It is a fork of the original Space Station 13 and continues to be developed by a vibrant community focused on balance, new content, and performance improvements.
    Downloads: 3 This Week
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  • 9
    JS_CSS_Poker

    JS_CSS_Poker

    Free Texas Holdem Poker game using HTML5, CSS and JavaScript

    A free online Texas Hold'em poker game written in JavaScript and a web-gui using HTML5 and CSS, all source included Works as a solitaire, it is you against the robots No money - but you will not win that much either. No registration - I am just glad if you give some feedback if you find any problems. All source code included Totally bug free Climate positive Want to see it? https://js-css-poker.sourceforge.io/ Want to play it? https://js-css-poker.sourceforge.io/poker.html This is a merge of the Texas hold 'em game from https://sourceforge.net/projects/jsholdem/ and the js/CSS/HTML frontend from https://github.com/tansey/js_poker Compatibility: Any modern browser, such as Firefox, Chrome and Edge, on any OS, Windows, Linux, Mac works nilssonopel@users.sourceforge.net
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    Downloads: 28 This Week
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  • ACI Learning: Internal Audit, Cybersecurity, and IT Training Icon
    ACI Learning: Internal Audit, Cybersecurity, and IT Training

    Proven skill building for every aspect of your support or IT team.

    Traditional training doesn't equip employees with the practical skills they need to drive business success. ACI Learning provides hands-on IT and cybersecurity training designed to build real-world, on-the-job skills. Our outcome-based programs empower employees with certification prep, industry-recognized credentials, and flexible learning options. With expert-led video training, labs, and scalable solutions, we help businesses, individuals, governments, and academic institutions develop a skilled workforce, align with business goals, and stay ahead in a rapidly evolving digital world.
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  • 10
    LittleJS

    LittleJS

    The Tiny JavaScript Game Engine That Can!

    LittleJS is a super lightweight 2D JavaScript game engine with fast WebGL rendering. It is designed to be small, simple, and easy to use for various applications, from game jams to commercial releases. This engine has everything necessary to make high-quality games, including fast rendering, physics, particles, sound effects, music, keyboard/mouse/gamepad input handling, update/render loop, and debug tools. It is recommended that you start by copying the LittleJS Starter Project This file is mostly empty with just a few things you can use to get started or remove. You can also download and include engine.all.js or engine.all.min.js. In order to load files like images you will need to run a small web server like http-server on npm. I recommend an editor that does this for me automatically like Brackets or VS Code with the Live Server plugin.
    Downloads: 2 This Week
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  • 11
    NSV13

    NSV13

    NSV13, a Ship-to-ship Combat SS13 Server

    NSV13 is a standalone fork/mod of Space Station 13, themed around ship-to-ship combat. Set aboard warships, it allows players to perform roles such as captain, gunner, pilot and crew. It requires compilation via DreamMaker or custom build tools (Windows batch or Unix scripts). The game emphasizes teamwork, wartime strategy, and immersive multiplayer gameplay.
    Downloads: 2 This Week
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  • 12
    pgn4web

    pgn4web

    javascript chess games viewer for websites, blogs and live broadcasts

    pgn4web is a javascript chess games viewer for websites, blogs and live broadcasts. "pgn4web has a clean design, and is easily integrated and configured in wordpress. And yet, below that layer of simplicity, it has enough bells and whistles to allow for more baroque needs and taste. A truly great plugin." GM Tiger Hillarp, using the pgn4web plugin for wordpress on his site chess at the bag of cats, May 2013. "We wanted a live viewer that could work on tablets and mobile phones. pgn4web did fit very well on every platform, is stable and matched our visual design. Also the horizontal view for the commentators and the vertical view for smartphones was a real plus." H.S. from the Max Euwe memorial tournament committee, using pgn4web for live broadcast and game reports, November 2011.
    Downloads: 8 This Week
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  • 13
    ZED Online

    ZED Online

    An online multiplayer real time strategy game

    A remake of the 1996 classic game Z. The project is currently in the early stages. More updates will come in the following weeks. Please visit zzone.lewe.com for more. ZED Online world rankings: https://zedonline.sourceforge.io/highscore.php See the wiki for more information: https://sourceforge.net/p/zedonline/wiki/Home/ Information on the different control styles can be found here: https://sourceforge.net/p/zedonline/wiki/controls/ Demo videos: https://www.youtube.com/watch?v=RKmKpTe-gVo https://www.youtube.com/watch?v=OnAJTml5znY https://www.youtube.com/watch?v=3UZSFsY6sSA https://www.youtube.com/watch?v=SFmoCg_F22w Online Multiplayer - Port forwarding In order to connect online the player who creates the game needs to enable port forwarding on their network router/NAT. The game will use port 8000 TCP. If the game can not bind the server to port 8000 it will try the next port until 8009. We recommend to forward all ports 8000-8009 TCP
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    Downloads: 11 This Week
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  • 14
    Administer your LAN Party efficiently with Autonomous LAN Party (ALP)! This LAN Party management software package has support for Single Elimination (and Free for All), Consolation, Double Elimination, and Round Robin tournament types.
    Downloads: 28 This Week
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  • 15
    IsoCity

    IsoCity

    A isometric city builder in JavaScript

    Isocity is an interactive web-based project that allows users to create their own isometric cities using modular blocks. It's designed as a fun and creative way to build pixel art cities.
    Downloads: 1 This Week
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  • 16
    TauCeti Classic

    TauCeti Classic

    Frankenstein lived

    TauCetiClassic is an open source fork of Space Station 13 maintained by the Tau Ceti Station community. It builds upon the original SS13 codebase, offering a distinct roleplay-focused experience with custom mechanics, sprites, and maps. The repository includes the full game source, assets, and build scripts necessary to host servers and contribute to development. TauCetiClassic emphasizes immersive roleplay scenarios, detailed station environments, and unique content compared to other SS13 forks. The project is actively developed, with ongoing updates from its community of players and coders. By extending SS13, it provides both a playable multiplayer environment and a collaborative platform for experimentation.
    Downloads: 1 This Week
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  • 17
    Yogstation
    Yogstation is an open source fork of Space Station 13 developed and maintained by the Yogstation community. It offers a balanced mix of roleplay and gameplay, aiming to create an engaging multiplayer experience with unique mechanics and server rules. The repository contains the full SS13 codebase with modifications, including custom jobs, items, maps, and quality-of-life improvements. Yogstation prioritizes accessibility for new players while maintaining depth for veterans, making it one of the more popular SS13 community forks. The code and assets are open for contribution, allowing developers to propose fixes, features, and balance changes. With active updates, Yogstation continues to evolve as a distinctive branch of the SS13 ecosystem.
    Downloads: 1 This Week
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  • 18
    melonJS

    melonJS

    A fresh & lightweight javascript game engine

    melonJS is an open-source HTML5 game engine that empowers developers and designers to focus on content. The framework provides a collection of composable entities and support for a number of third-party tools. Giving you a powerful combination that can be used wholesale or piecemeal. melonJS is a lightweight yet powerful HTML5 framework designed from the ground up to provide a true plugin-free 'write-once, run-everywhere' gaming platform. melonJS is an open-source project and supported by a community of enthusiasts. See our Gallery for a few examples of games powered by melonJS. melonJS integrates the popular Tiled map format, allowing designers easily create levels using the Tiled map editor, and to focus on the game features itself. A fresh and lightweight 2D sprite-based engine. Fast WebGL renderer for desktop and mobile devices with fallback to Canvas rendering.
    Downloads: 1 This Week
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  • 19
    minecraft protocol

    minecraft protocol

    Parse and serialize minecraft packets, plus authentication

    Parse and serialize Minecraft packets, plus authentication and encryption.
    Downloads: 1 This Week
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  • 20
    nunuStudio

    nunuStudio

    Web powered cross-platform 3D, WebXR game engine

    nunuStudio is an open-source editor + game development environment — a “studio” rather than just a library — designed to let developers create interactive 2D and 3D content through a user-friendly interface. It provides visual tools for scene editing, asset management, materials, and possibly scripting, aiming to reduce the friction of hand-coding every aspect from scratch. As an accessible entrypoint to game or interactive content creation, nunuStudio is well-suited for artists, designers, or developers who prefer a WYSIWYG (what you see is what you get) workflow instead of fully coding everything. Because it is open source, users can inspect, modify, or extend the system as needed — adding custom behaviors, plugins, or export options. It’s ideal for rapid prototyping, small games or interactive demos, or educational purposes: you can build scenes, tweak visuals, test interactivity without deep diving into all low-level rendering details.
    Downloads: 1 This Week
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  • 21
    Hale

    Hale

    An RPG with turn based combat

    Hale is a turn based RPG with deep tactical combat and character customization. Included is a lengthy and varied campaign with many quests, items and monsters, visiting a variety of locales. The entire system is built to be moddable from the ground up.
    Downloads: 10 This Week
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  • 22
    Collection of Tradewars 2002 tools, including Kokua - Tradewars Assistant and TW Collaboration Server (TWCS). Only Kokua is currently active.
    Downloads: 26 This Week
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  • 23
    DimensioneX Multiplayer Game Engine

    DimensioneX Multiplayer Game Engine

    Free MMORPG Engine. Develop and host graphical browser-based games.

    DimensioneX is a free Massive Multiplayer Game Engine. It lets you develop and then run or host browser-based, graphical multiplayer games. The users will play games simply via their browser. DimensioneX runs on any Java-enabled web server (eg. Tomcat)
    Downloads: 30 This Week
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  • 24
    World of Phaos is a browser based RPG written in PHP.
    Downloads: 18 This Week
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  • 25
    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: 3 This Week
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