as for me it really depends cause whenever i join multiple games somewhat like i have new friends there and ill be able to download and like thier music but so far 15+ i think XD
It depends (usually when I have free time or when I just feel like playing). I may play as much as 5-10 maps a day or I can play up to 50+ maps a day. There are days when I don't even play osu! at all.