I can't play this online (no webgpu) but from the description and comments here it sounds like the 4D Maze from 2002!
https://urticator.net/maze/
The advantage of this one is that it offers a stereoscopic (red/blue) view of the 3D retina. Not sure if this one does too.
Thanks for the link, 4D Maze is amazing and I had somehow never seen it.
Also, here's a CPU-based prototype that led to the Hyperhell engine:
https://dugas.ch/4d_creatures/4d_camera.html
Thanks for the link, 4D Maze is amazing and I had somehow never seen it.
Also, here's a CPU-based prototype that led to the Hyperhell engine:
https://dugas.ch/4d_creatures/4d_camera.html