I love this game. As a matter of fact, I'd have to say it's one of my favorites. But I would NOT recommend buying any hints because you will never receive them. I purchased 50 hints on a bonus weekend so I should have received 75 hints, but I never got them. My credit card was charged, but the hints were never delivered. I contacted them thru the app but did not get a reply. I then sent them an email and this time they responded that they were sorry and would check into the missing hints. Still never got them. I contacted them a third time, got no response, and then "reported a problem" on the iTunes Store, and have never heard a peep! It has been about 6 weeks and still nothing, and no hints. The amount was not worth calling the credit card company over, but I would advise you to be leery of making any kind of purchase from this app. I give up! As I said, I love solving these puzzles but I would never buy anything from them!