For some reason, I love this game. However, one major flaw is you really really really need to be able to get hints. You can clear hundreds of objects but have some you cannot find no matter how many times you go everywhere. Maybe even only 11 and yet cannot finish the course. Also, as you go higher, the tiles cost too much. The occasional expensive one ok but it's not fun when your energy you saved all night for is used up in minutes.