First, you will need to install Threestudio, an advanced framework for 3D object generation. Follow the tutorial on ThreeStudio repository. This project has been tested on Threestudio version 0.2.3.
MegaGlest is an open source cross-platform 3D real-time strategy (RTS) game, where you control the armies of one of seven different factions: Tech, Magic, Egypt, Indians, Norsemen, Persian or Romans.