Mobile games can often scale to eye-popping numbers. Among Us has over 1 billion downloads and was made by a single programmer. Plenty of other examples -- e.g.

Mobile games can often scale to eye-popping numbers. Among Us has over 1 billion downloads and was made by a single programmer. Plenty of other examples -- e.g. https://play.google.com/store/apps/details?id=com.JindoBlu.OfflineGames https://play.google.com/store/apps/details?id=com.JindoBlu.O..., a solo dev who has multiple 100MM+ download small games.