Solar2D Game Engine main repository (ex Corona SDK)
The flexible game engine
Open Source real-time strategy game engine for early Westwood games
Fast and lightweight JavaScript game engine built on WebGL and glTF
Godot is a powerful cross-platform game engine
Injectable LUA scripting system, SDK generator, live property editor
Entitas is a super fast Entity Component System (ECS) Framework
Cross-Platform C++ 2D/3D game engine
Multi Theft Auto is a game 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
Open source clone of the Age of Empires II engine
The game engine for everyone
Powerful, mature open-source cross-platform game engine for Python
Magic Another Game Engine
Free, open source game engine online
A retro game engine for Python
Real Time Strategy game engine supporting early Westwood classics
The Open Toolkit library is a fast, low-level C# wrapper for OpenGL
The Tiny JavaScript Game Engine That Can!
A refreshingly simple data-driven game engine built in Rust
scene-oriented, flexible 3D engine (C++, Python, C#, Java)
LayaAir is an open-source 2D/3D engine
Urho3D Game engine
A Flutter based game engine