The game engine for everyone
Free, open source game engine online
Open source clone of the Age of Empires II engine
A retro game engine for Python
LayaAir is an open-source 2D/3D engine
Go bindings for raylib, a simple and easy-to-use library
scene-oriented, flexible 3D engine (C++, Python, C#, Java)
Cross-platform game engine in Rust
A cross-platform, open-source, pure C game engine for mobile game
2D Game Engine
Data-oriented and data-driven game engine written in Rust
Clojure in Unity
A game engine written in the D programming language
2D Game Engine for the Java Programming Language
Scripting language of the hawk game engine