Try at http://h3.hypernom.com and http://h2xe.hypernom.com. Controls: wasd rotates, arrow keys move, numbers change decoration, changes colours. Also works on smartphones – touch the screen to move forwards.
This is joint work with Vi Hart, Andrea Hawksley and Sabetta Matsumoto.
Papers: http://archive.bridgesmathart.org/2017/bridges2017-33.html, http://archive.bridgesmathart.org/2017/bridges2017-41.html
Code: https://github.com/hawksley/hypVR, https://github.com/henryseg/H2xE_VR