From that list I collected some javascript-based game and physics engines used in those games.<p>Akhihabara - <a href="http://www.kesiev.com/akihabara/" rel="nofollow">http://www.kesiev.com/akihabara/</a><p>Diggy - <a href="http://github.com/lostdecade/diggy" rel="nofollow">http://github.com/lostdecade/diggy</a><p>Three.js - <a href="http://github.com/mrdoob/three.js" rel="nofollow">http://github.com/mrdoob/three.js</a>