Not directly related to uv, but I started looking into this now and stumbled upon this discussion about how it's easier to have Quake "render" onto an oscilloscope than Doom:

https://forums.sufficientvelocity.com/threads/is-it-possible...

Drawing images on an oscilloscope is fun, but I'm not sure if I would count it as a novel hack.

I'm still waiting to see doom run on a pregnancy test