He shook his head, "Naah, it's just that they usually like playing as many songs as possible, because if you're playing it by chapters, you don't have to have a perfect score to pass, if you know how to work it, you can get five stars and move on to the next level even if you've got an average percentage. Especially with more than one person playing."
He shrugged, "But if one person's playing really badly, and everyone else is playing really well, that can drag it down too."