Game engines are software frameworks for game development. Game engines do the heavy lifting for developers so they can focus on other aspects of game development.
Cross-platform game 2D engine based on 2D graphics and physics, Skia, OpenTK, Box2D
game engine base on cocos2d-x. (just for learning)
Python 3D Game Engine
This is a game engine for JavaScript
:construction: [WIP] Elixir MUD Engine
⏲ C# OpenGL relativity simulator
A non-euclidean capable game engine 🎮
A powerful Html5 game engine based on Flash and Pixi.js
RPGCraft - Minecraft / Terraria / RPGMaker mashup
A demo for creating simple water using a flow map strategy and the Xenko game engine.