I just wasted 68 lives and unlimited play for an hour and a half on one level and still didn't beat it. Developers claim that its possible to beat any level without boosters or other help is misleading. A 1 in 1 million chance at a thing is possible, but it's not going to happen. They want your money, and that's all. If you let them, they will drain your bank account. And what do you have to show for it? The algorithm is ridiculous. I've never given them a dime and never will.