Try at http://h3.hypernom.com and http://h2xe.hypernom.com. Controls: wasd rotates, arrow keys move, numbers change decoration, c changes colours. Also works on smartphones touch the screen to move forwards.

If you have a Vive, you may be able to get this to work on Firefox press v then enter to get graphics showing on the headset. No guarantees though, WebVR is a fast moving target.

This is joint work with Vi Hart, Andrea Hawksley and Sabetta Matsumoto.

Papers: http://archive.bridgesmathart.org/201..., http://archive.bridgesmathart.org/201...
Code: https://github.com/hawksley/hypVR, https://github.com/henryseg/H2xE_VR