What programming languages can I use in Crayta? Edward Allen June 15, 2020 12:41 Updated Crayta uses Lua for game logic, and HTML/CSS/JS for UI (user interface) elements. Related articles How is Crayta different to other creation games? How can I localize my game? Can you scale props / voxel meshes / effects? Do you have to be able to code to make a game? Can I see your Lua API documentation?