Open Source Windows Game Development Frameworks

Game Development Frameworks for Windows

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Browse free open source Game Development Frameworks and projects for Windows below. Use the toggles on the left to filter open source Game Development Frameworks by OS, license, language, programming language, and project status.

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  • 1
    Godot Engine

    Godot Engine

    Godot is a powerful cross-platform game engine

    Godot was created to provide a fully free, open source game development environment. To compile from source see the official docs here https://docs.godotengine.org/en/latest/development/compiling/
    Downloads: 1,788 This Week
    Last Update:
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  • 2
    CRYENGINE

    CRYENGINE

    A real-time game development platform

    The most powerful game development platform for you and your team to create world-class entertainment experiences. CRYENGINE 5.6 comes with significant improvements. New tools and enhancements make the game development process more intuitive than ever before. What you see is what you get, Sandbox allows you to create seamless worlds without any baking. Create your world and export to a game as you see it in the Editor. Fully realtime dynamic global illumination with a fully PBR workflow allows you to create ultra realistic environments using the tools you're used to. Physical simulations that take into account real world physical properties in a realistic manner to provide easily configurable and dynamic scenes. Use CRYENGINE's exclusive Audio Translation Layer that allows you to choose the middleware you want, when you want. Allowing for workflows that work for you.
    Downloads: 196 This Week
    Last Update:
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  • 3
    raylib

    raylib

    A simple and easy-to-use library to enjoy videogames programming

    raylib is highly inspired by Borland BGI graphics lib and by XNA framework. Do you want to see all functions available in raylib? Check raylib cheatsheet. raylib is a programming library to enjoy videogames programming; no fancy interface, no visual helpers, no auto-debugging, just coding in the most pure spartan-programmers way. raylib has received several recognitions in the last years and many people have written about the library. Here there are the main awards received from Google and Epic Games. raylib supports multiple target platforms, it has been tested in the following platforms but, technically, any platform that supports C language and OpenGL graphics is valid for raylib or can be very easily ported to. raylib can be combined with several extra libraries for additional functionality, some of those libraries are already used internally while others are provided for user integration, most of these libraries are single-file header-only with no external dependencies.
    Downloads: 191 This Week
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  • 4
    Rojo

    Rojo

    Enables Roblox developers to use professional software tools

    Text Editing Rojo opens the door to use the absolute best text editors in the world and their rich plugin ecosystems.. Version Control By building your game (or just the scripts) as individual files on the filesystem, it becomes easy to start using professional-grade version control tools like Git or Mercurial Other Tools Take advantage of of tools built by engineers around the world.
    Downloads: 126 This Week
    Last Update:
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  • 5
    Babylon.js

    Babylon.js

    Open game and rendering engine packed into a JavaScript framework

    Our mission is to create one of the most powerful, beautiful, and simple Web rendering engines in the world. Our passion is to make it completely open and free for everyone. We are artists, developers, creators, and dreamers and we want to make it as simple as possible to enable everyone to bring their ideas to life. With this new version of Babylon.js, we set out to make it even easier to develop with. From a ton of new tools, to improved workflows and features, new documentation and more, it is our sincere hope that Babylon.js 4.2 will make your development process faster and easier while unlocking new simple ways to work. The core focus of Babylon.js 4.2 has been around simplicity. While Babylon.js keeps its code-first approach, we’ve added many tools in the Inspector and enhanced the Node Material Editor to save time to developers and Tech Artists. With the Particle Editor, you can now create and configure particle systems with the click of the mouse.
    Downloads: 87 This Week
    Last Update:
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  • 6
    BWAPI

    BWAPI

    An API for interacting with Starcraft: Brood War (1.16.1)

    Brood War Application Programming Interface or BWAPI is a free and open source C++ framework that is used to create Artificial Intelligence (AI) agents that play the popular Real Time Strategy (RTS) game Starcraft: Brood War. With BWAPI, players of varying levels can create AI agents to play Brood War, but with certain limits. BWAPI will only reveal visible parts of the game state to AI modules to enable programmers to write competitive non-cheating AIs. BWAPI also denies user input so users cannot take control of game units while the AI is in play. These default settings can be changed for flexibility however, unless enforced by a Tournament Module (game referee for AI tournaments).
    Downloads: 49 This Week
    Last Update:
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  • 7
    Arianne RPG

    Arianne RPG

    Arianne is an engine to develop multiplayer online games like Stendhal

    Arianne is a multiplayer online engine to develop turn based and real time games, providing a simple way of creating the game server rules and clients like our MORPG Stendhal. Our engine Marauroa uses Java and SQL for hosting hundreds of players on a solo host. Stendhal is a fun friendly and free multiplayer online adventure game with a huge and rich world. With hundreds of NPCs and different quests, features like the Travel log and achievement system keep track of progress. Thousands of creatures are ready to fight, above and below ground, and as players level up they can compare themselves on a detailed stats website. The engine Marauroa provides a simple way of creating games on a portable and robust server architecture. Marauroa manages the client server communication and provides an object orientated view of the world for game developers. It handles database access in a transparent way to store player accounts, character progress and the state of the world
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    Downloads: 195 This Week
    Last Update:
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  • 8
    OpenRA

    OpenRA

    Real Time Strategy game engine supporting early Westwood classics

    OpenRA is a free and open source real-time strategy game engine for early Westwood games like Command & Conquer: Red Alert. It is not just a clone of the original but is a recreation, with improved and rebalanced gameplay that modernizes the classic Command & Conquer strategy games. It provides a common platform for rebuilding and reimagining classic 2D and 2.5D RTS games (the OpenRA mods). This means that OpenRA is not restricted by the technical limitations of the original closed-source games: it includes native support for modern operating systems and screen resolutions (including Windows 10, Mac OS X, and most Linux distros) without relying on emulation or binary hacks, and features integrated online multiplayer.
    Downloads: 32 This Week
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  • 9
    OpenFL

    OpenFL

    Open source library for creative expression on the web, desktop, etc.

    OpenFL is a free and open-source, cross-platform software framework that empowers developers to create rich interactive applications and games using a single codebase that can run on web browsers, mobile devices, desktops, and even some consoles. It builds on the Haxe programming language and offers a familiar display list and event-driven API inspired by classic Adobe Flash and AIR, allowing developers to leverage well-known paradigms while targeting modern platforms. OpenFL supports 2D and limited 3D graphics rendering, audio playback, advanced user input (mouse, touch, keyboard, gamepads), rich text formatting, asset management, networking, and file system access, making it a comprehensive foundation for interactive experiences. Projects written with OpenFL can compile to native C++ executables, JavaScript/WebGL for web, or run through app runtimes like Electron without plugins, enabling high performance and broad reach.
    Downloads: 27 This Week
    Last Update:
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  • 10
    MonoGame

    MonoGame

    One framework for creating powerful cross-platform games

    One framework for creating powerful cross-platform games. The spiritual successor to XNA with thousands of titles shipped across desktop, mobile, and console platforms. MonoGame is a fully managed .NET open source game framework without any black boxes. Create, develop and distribute your games your way. By leveraging C# and other .NET languages on Microsoft and Mono platforms you can write modern, fast, and reliable game code. We currently support iOS, Android, MacOS, Linux, all Windows platforms, PS4, PSVita, Xbox One, and Switch with more platforms on the way. All the code is available to you ensuring you'll have the ability to make changes when you need to or even port to whole new platforms. With 1000s of shipped games we have built up a vibrant community of developers which use MonoGame for both fun and profit.
    Downloads: 26 This Week
    Last Update:
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  • 11
    libGDX

    libGDX

    Desktop/Android/HTML5/iOS Java game development framework

    libGDX is a cross-platform Java game development framework based on OpenGL (ES) that works on Windows, Linux, macOS, Android, your browser and iOS. libGDX provides a well-tried and robust environment for rapid prototyping and fast iterations. libGDX does not force a specific design or coding style on you; it rather gives you the freedom to create a game the way you prefer. Publish your games on Windows, macOS, Linux (including the RPi!), Android, iOS, and HTML5, all with the same code base. libGDX comes with batteries included. Write 2D or 3D games and let libGDX worry about low-level details. Heavy emphasis is put on avoiding garbage collection for ART/JavaScript by careful API design and the use of custom collections. libGDX is a well proven and reliable framework with a sound base and documentation. Furthermore, there are plenty of games built on top of libGDX, many of which are open source.
    Downloads: 26 This Week
    Last Update:
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  • 12
    Lost Bot is an IRC Mafia Game Bot coded in TCL. Users register and start off in a 2D city trying to exhort businesses, buying weapons and killing each other. The more respect you gain, the more powerful you are. It will contain a webserver.
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    Downloads: 572 This Week
    Last Update:
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  • 13
    PlayCanvas Engine

    PlayCanvas Engine

    Fast and lightweight JavaScript game engine built on WebGL and glTF

    PlayCanvas is an open-source game engine. It uses HTML5 and WebGL to run games and other interactive 3D content in any mobile or desktop browser. PlayCanvas is used by leading companies in video games, advertising and visualization such as Animech, Arm, BMW, Disney, Facebook, Famobi, Funday Factory, IGT, King, Miniclip, Leapfrog, Mojiworks, Mozilla, Nickelodeon, Nordeus, NOWWA, PikPok, PlaySide Studios, Polaris, Product Madness, Samsung, Snap, Spry Fox, Zeptolab, Zynga. The PlayCanvas Engine gives incredible performance, even on devices such as the iPhone 4S. PlayCanvas ensures a fast loading time by using multiple features such as script concatenation, minification, deferred loading of non-essential assets and more. PlayCanvas has many team features such as being able to chat with your teammates directly from within the Editor.
    Downloads: 18 This Week
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  • 14
    Fortnite Developer Account AIO

    Fortnite Developer Account AIO

    All-In-One program that combines multiple Fortnite Dev Account tools.

    Fortnite Developer Account AIO is an all-in-one program that combines multiple Fortnite Dev Account tools. It allows users to access any skin, emote, pickaxe, backbling, or item in Fortnite and even use them in matches where others can see your cosmetics. This program supports various popular tools, ensuring seamless compatibility and ease of use.
    Leader badge
    Downloads: 234 This Week
    Last Update:
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  • 15
     TrinityCore

    TrinityCore

    Open Source MMORPG Framework

    TrinityCore is an open source MMORPG Framework based mostly in C++, with a back-end of MySQL for the DB content. It is derived from MaNGOS, the Massive Network Game Object Server, evolving over time since it has become an independent project. It has undergone several changes that have optimized, cleaned up and improved the codebase as well as the in-game mechanics and functionality. TrinityCore has a database structure composed of the world database, characters database and auth database. It is also cross-platform. Being fully open source, community involvement is highly encouraged to help continuously improve TrinityCore.
    Downloads: 8 This Week
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  • 16
    Libdragon

    Libdragon

    Open source library for N64 development

    Libdragon is an open-source SDK that enables developers to create software and games for the Nintendo 64 using modern programming tools and practices. It replaces the original proprietary development kits with a fully open toolchain based on GCC and standard C libraries, allowing a more accessible and flexible development experience. The library provides both low-level access to hardware and higher-level abstractions for graphics, audio, and input handling. It supports advanced features such as accelerated 2D rendering and efficient memory management tailored to the N64 architecture. Developers can test builds on emulators or real hardware using flash cartridges. The project is designed to modernize N64 development while maintaining compatibility with the console’s original capabilities. Overall, it serves as a complete and modern environment for retro game development.
    Downloads: 6 This Week
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  • 17
    FreeCS

    FreeCS

    FreeCS is a free-software reimplementation of Counter-Strike 1.5.

    FreeCS is a free-software reimplementation of Counter-Strike 1.5 running on the FTEQW engine. All it is, is a game-logic re-implementation in QuakeC, an architecture independent programming language. FreeCS is not a game-engine as it relies on FTEQW (released under the GPL V2). All this makes it possible to play FreeCS on virtually any platform! No DRM! No third-party accounts! Just download, play, contribute. The game-logic is written by me with help of twhl.info's wiki. It has since been incorporated into the Nuclide project, which re-implements more than just CS 1.5.
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    Downloads: 37 This Week
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  • 18
    RCT3 Mega Pack

    RCT3 Mega Pack

    This pack add's custom object and rides into your "RCT3 Platinum" game

    The ULTIMATE RCT3!!!! "CTR/CS/Editor/Custom Utility/Custom Mod/Custom Stall/Creator/SID Editor Data/CTR & CS Creator Plugin/RCT3 Model/RCT3 Model Plugin/" Mass Roller Coaster Tycoon 3 Repository!!!! (100% Safe/Legal!!!)
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    Downloads: 30 This Week
    Last Update:
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  • 19
    Phaser

    Phaser

    Open source HTML5 game framework that offers WebGL and Canvas

    Phaser is a fast, free, and fun open source HTML5 game framework that offers WebGL and Canvas rendering across desktop and mobile web browsers. Games can be compiled to iOS, Android and native apps by using 3rd party tools. You can use JavaScript or TypeScript for development. You can support the developers on their Patreon. https://www.patreon.com/photonstorm
    Downloads: 5 This Week
    Last Update:
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  • 20
    Game Editor
    Game Editor is the game design software that gives you the power to create the games of your dreams, and gives you the chance to get the source code of the game creator and develop 2D games for personal computers as well as mobile devices like iPhone
    Downloads: 31 This Week
    Last Update:
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  • 21
    osu!framework

    osu!framework

    A game framework written with osu! in mind.

    A game framework written with osu! in mind. If you are interested in creating a project using the framework, please start from the getting started wiki resources (or jump straight over to the project templates). You can either start off from an empty project, or take a peek at a working sample game. Either way, full project structure, cross-platform support, and a testing setup are included! This framework is intended to take steps beyond what you would normally expect from a game framework. This means things like basic UI elements, text rendering, advanced input handling (textboxes) and performance overlays are provided out-of-the-box. Any of the osu! code that is deemed useful to other game projects will live in this framework project. Anywhere we implement graphical components, they will be displayed with a generic design and will be derivable for further customization.
    Downloads: 4 This Week
    Last Update:
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  • 22
    Spring RTS Engine

    Spring RTS Engine

    Spring is a free RTS engine developed for Windows, Linux and Mac OS X.

    Spring is a versatile 3D RTS game engine. Using extensively Lua for scripting game-specific code to make nearly every aspect of the engine customizable, from GUI, to unit AI, to pathfinding.
    Downloads: 16 This Week
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  • 23
    Oblivion Works
    Wrye Bash has moved to Github! Downloads: https://github.com/wrye-bash/wrye-bash/releases Code: https://github.com/wrye-bash/wrye-bash
    Downloads: 16 This Week
    Last Update:
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  • 24
    Visual Pinball
    THIS SVN REPO IS NOW OUTDATED, PLEASE USE THE GITHUB LINK ABOVE! Visual Pinball - Project started by Randy Davis, continued by the Visual Pinball development team and contributors from the source that was released under the 'old MAME license' (no commercial use) in February 2010.
    Downloads: 26 This Week
    Last Update:
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  • 25
    The PopCap game framework, named SexyApp Framework, is a flexible high-level library that provides commonly required functions and reusable components, designed to facilitate rapid development of high-quality games.
    Downloads: 17 This Week
    Last Update:
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