@LastoftheDinosaurs There are filters for emulators called "Shaders" which can make games look close to a CRT look and feel. I use RetroArch to emulate games, which has first class support for such Shaders for use with any supported emulator core. If you want, have a look at what is possible with an article I wrote a while back, which has sliders to see a before and after effect: https://thingsiplay.game.blog/2022/03/08/crt-shader-showcase-for-retroarch/
Here a screenshot without and with my favorite Shader called "Royale" and a variant of the Shader that simulates even more characteristics, "Royale NTSC SVideo" :