Japan’s PC gaming market has seen insane growth over the last few years, essentially tripling in size between 2019 and 2023. According to data from the Computer Entertainment Supplier's Association (CESA), the market increased by about 187.5%, growing from approximately ¥82.2 billion ($560 million U
Japan actually have a lot of independent PC game store, like DLsite and DMM.
Vtuber also popularize new generation to PC gaming, especially for competitive and social games. Not to forget, so many PC-only games sold in Japan store exclusive due to culturak differences.