I wouldn't have believed my eyes if I had seen that back in the day. The interesting thing is that the capability was there all along.
Marble Madness was a thing at the time. [1] There's a ZX Spectrum port, that's awful, but it maintained the same 3d goodness. [1] - https://www.youtube.com/watch?v=zByAew6AKJ8
I always preferred its ‘cousin’ “snake rattle and roll” on the NES - https://m.youtube.com/watch?v=_Mq1kJ25LVA