Actually it&#x27;s based on our own engine, Goo Engine, also open source: <a href="https:&#x2F;&#x2F;github.com&#x2F;GooTechnologies&#x2F;goojs" rel="nofollow">https:&#x2F;&#x2F;github.com&#x2F;GooTechnologies&#x2F;goojs</a><p>But yeah, still essentially OpenGL in the browser :)