The Ren'Py Visual Novel Engine
The game engine for everyone
Python MUD/MUX/MUSH/MU* development system
A retro game engine for Python
Open source clone of the Age of Empires II engine
LayaAir is an open-source 2D/3D engine
A dead simple 2D game engine for Go
Open source library for creative expression on the web, desktop, etc.
3D and 2D game engine written in Rust
Go bindings for raylib, a simple and easy-to-use library
Cross-platform game engine in Rust
scene-oriented, flexible 3D engine (C++, Python, C#, Java)
Pycraft is an open-source, OpenGL based game made in Python
Free, open source game engine online
A free 3D game engine to create games and realtimes scenes for Windows
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
Pig2D is a game engine for Java that uses a sprite-based interface.