External links
An entity-component-system framework
OpenGL context toolkit built on Freeglut and written in Crystal
An object-oriented API for GLFW in Crystal.
Small utility to download artifacts from bintray
A UI library written in crystal
A Crystal port of the Java implementation of the Cassowary constraint solving algorithm
A constraint based layout framework
Freeglut bindings for Crystal
A 3D game engine written in crystal
A simple demo game built with crystal.
A generic and reusable game render loop.
A text RPG game written in Crystal
This is my "game" scratch pad while I build a 3D game engine