Defold is a free and source-available game engine with a focus on high-performance. It uses Lua, a scripting language, and allows you to create games for desktop, mobile, web, and console platforms.
Scene3D is a collection of scripts, materials and tools to help you develop 3D games with the Defold game engine
A module to create groups of game object and organize them in patterns and manage their movements for Defold
Defold is a completely free to use game engine for development of desktop, mobile and web games