I want to say I do enjoy this game very much; however, I make purchases and play daily to not have star slot triggers or not receive the one stamp needed to complete a series, I find the game bothersome. I have one stamp left of 180. I've played for days and this one stamp hasn't shown up. I rarely get chests even though the higher the beat the more likely it is to get them. I guess it would be nice to have items given, especially with how the game claims it'll give.