Chiptunes are the only truly unique form of VGM,nerdy as VGM at all might be. They also well well outlived there technological relevance culturally in terms of Contemporary Rock and Contemporary RnB still draw on them at times as does some soundtrack work for shows and film.
VGM after that is basically just trying to ape soundtracks from either Anime or American Actikn Films mostly. Chiptunes is truly novel for its sound. There's still some good game skundtracks from after the 90s but as a whole film scores are the better medium. Still hard not to enjoy some Game Scores even to rhis day but yeah.