A game engine powered by python and panda3d
The Ren'Py Visual Novel Engine
Open source clone of the Age of Empires II engine
A retro game engine for Python
3D game engine/framework in C, with Luajit and Python bindings now
Python MUD/MUX/MUSH/MU* development system
Ct.js is a desktop game engine that makes learning programming fun
Solar2D Game Engine main repository (ex Corona SDK)
Powerful, mature open-source cross-platform game engine for Python
Multi Theft Auto is a game engine
Stride (formerly Xenko), a free and open-source cross-platform C# game
scene-oriented, flexible 3D engine (C++, Python, C#, Java)
Open game and rendering engine packed into a JavaScript framework
An easy to use 2D HTML5 game engine written in TypeScript
The flexible game engine
Flax Engine, multi-platform 3D game engine
The HTML5 Creation Engine
An OpenGL RTS game engine written in C
Free, cross-platform 2D game engine powered by Haxe and OpenFL
Recreation of the classic Grand Theft Auto III game executable
A Flutter based game engine
New Godot bindings for Swift
Free game engine for development of desktop, mobile, and web games
The ioquake3 community effort to continue supporting/developing id's
3D Game engine with editor