It seems someone has invented a 4D game that specifically requires an Atari 2600 and a certain type of CRT.
https://forums.atariage.com/topic/38412 ... pong-demo/
However, it seems that the C64 can also accommodate the Quantum particle accelerator(!) for triple interlaced 4D images:
https://www.lemon64.com/forum/viewtopic ... lit=kawari
Interesting concept, if nothing else.
