Zeuhl chiptunes music. If you don't know about zehul . Is just a type of progressive music that mixes rock, jazz, military call and response and African-American spirituality vocals and classical music to create a type of alien pop/rock or invented folk music.
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Exotica chiptunes . Exotica is a strange kind of jazz and pop music popular in the 50s and 60s . Exotica means to give the impression of exotic landscapes and sounds especially Oceania.
More Zan-Zan-Zawa-Veia herehttp://zan-zan-zawa-veia.bandcamp.com/
And this guy. Yerzmyey. He makes standard chiptune music except he uses ZX Spectrum instead of Nintendo. Most people probably don't know about the Spectrum. It was a gaming console in the 80s only popular in Europe and it had games stored on audio tape casette and took long time to load a game and made beepy sounds when it was loading. Aphex Twin is the only other other musician that makes references to Spectrum Sinclair and that's probably because he was born in England so he might have had ZX Spectrum gaming console as a child. This guy I think is from Poland so it makes sense for him to be nostalgic about Spectrum rather than Nintendo.
There is more for example Extreme Animalz which is sortof hardcore chiptunes like the metal of chiptunes and then a few other things you probably know already such as noise chiptunes and lolicore etc etc. If you have something to object or you want me to do research for you email me at trollworkout AT gmail com. That's it for now.