Right now making a mature Unity3d project that was developed for mobile platforms run on WebGL takes 2-4 weeks of developer time to reach feature-complete, semi-stable state. And still, it runs abysmally slow, and hogging at least 1Gb of memory.<p>After Unity browser plugin was retired a year ago with the whole Netscape plugin architecture, teams that use Unity just better accept the fact that they can&#x27;t realistically deploy their projects in the browser anymore.