When you use up all your lives and boosters and then buy more, you can easily solve that level. What gets me is when you comment on the difficulty of the levels, their comment is that they can all be solved without using boosters and any additional moves. Well, that's easy for them to say since they designed the game....I just consider that such a "canned" and lame response. I'm sure I too could easily solve all levels if I had designed and written the application myself!