The game is fun when you are able to play it. As others have stated in reviews, there's a paywall to be able to play more than ~5 rounds every 3-5 hours. Having challenging songs is part of the fun, but you're prohibited from making any real progress on them unless you pony up the $5 A WEEK. This would be a game that I'd play a lot if I could, but I decided to delete instead since it's unplayable 95%+ of the day.