Solar2D Game Engine main repository (ex Corona SDK)
Godot is a powerful cross-platform game engine
Fast and lightweight JavaScript game engine built on WebGL and glTF
Injectable LUA scripting system, SDK generator, live property editor
The flexible game engine
Entitas is a super fast Entity Component System (ECS) Framework
Open Source real-time strategy game engine for early Westwood games
Cross-Platform C++ 2D/3D game engine
Flax Engine, multi-platform 3D game engine
Multi Theft Auto is a game engine
GemRB is a portable open-source implementation of the Infinity Engine
Open source voxel game engine with support for survival and crafting
fheroes2 is a recreation of Heroes of Might and Magic II game engine
Magic Another Game Engine
Real Time Strategy game engine supporting early Westwood classics
A retro game engine for Python
Open source clone of the Age of Empires II engine
Ct.js is a desktop game engine that makes learning programming fun
A Flutter based game engine
scene-oriented, flexible 3D engine (C++, Python, C#, Java)
An easy to use 2D HTML5 game engine written in TypeScript
LayaAir is an open-source 2D/3D engine
A .NET ascii/ansi console engine written in C# for MonoGame and XNA
The game engine for everyone