also there are shaders in many emulators that apply this effect on modern monitors. but this is usually only for old console games, never seen one for pc games (but this crispy doom - or other doom modernizartion - could maybe incorporate them?)

https://www.reddit.com/r/emulation/comments/74hzx3/what_is_t...

https://emulation.gametechwiki.com/index.php/CRT_Shaders

https://emulation.gametechwiki.com/index.php/CRT-Royale

Very noticeable with NeoGeo games. A simple scanline filter (25%) is like night and day with Metal Slug.

That's a wonderful Twitter account. Instant follow.