Godot Engine – Multi-platform 2D and 3D game engine
Collection
Game Engines
Frameworks for building games across multiple platforms.
Turbulenz is a modular 3D and 2D game framework for making HTML5 powered games for browsers, desktops and mobile devices.
MIT Licensed Open Source version of Torque 3D from GarageGames
MIT Licensed Open Source version of Torque 2D game engine from GarageGames
A powerful free cross-platform RTS game engine
Cocos2d-x is a suite of open-source, cross-platform, game-development tools used by millions of developers all over the world.
The Cross Platform Game Engine
Open-source, cross-platform, C++ game engine for creating 2D/3D games.
A complete 3D game development suite written purely in Java.
Free (as in freedom) open source clone of the Age of Empires II engine 🚀
One framework for creating powerful cross-platform games.
Desktop/Android/HTML5/iOS Java game development framework
The Atomic Game Engine is a multi-platform 2D and 3D engine with a consistent API in C++, C#, JavaScript, and TypeScript
CRYENGINE is a powerful real-time game development platform created by Crytek.
Cross-platform 2D and 3D game engine.
Real-Time Strategy game 3D engine coded in pure java
Modern C++14 game engine with Vulkan support, fully featured editor and C# scripting
Phaser is a fun, free and fast 2D game framework for making HTML5 games for desktop and mobile web browsers, supporting Canvas and WebGL rendering.
a fresh & lightweight javascript game engine
Babylon.js: a complete JavaScript framework for building 3D games with HTML 5 and WebGL
A modular, extendable, and easy-to-use physics engine for javascript
JavaScript game engine built on WebGL and WebVR.
cocos2d for Web Browsers. Built using JavaScript
JavaScript Game Engine
The HTML5 Creation Engine: Create beautiful digital content with the fastest, most flexible 2D WebGL renderer.
The Ren'Py Visual Novel Engine
Open Source real-time strategy game engine for early Westwood games such as Command & Conquer: Red Alert written in C# using SDL and OpenGL. Runs on Windows, Linux, *BSD and Mac OS X.