The goal is create 3d city builder to test performance for webgl games With minimum size impact and maximum speed. (world.sea:161 ko, view.min.js:71 ko, city.3d.min.js:130 ko) Webgl 3d side use Three.js, 3d model use Sea3d format. This game use simulation source micropolisJS by Graememcc https://github.com/graememcc/micropolisJS. Is a port of Micropolis to JS/HTML5. Licensed under the GPLv3 with some additional terms please be mindful of these.