These levels aren't "hard" they just don't give you the color you need and you waste moves and your win streak trying to get the goal complete. I had enough moves (10) to win. I just needed 5 yellow blocks. They wouldn't give me ANY and I wasted all my moves trying to clear the board. I still never got any yellow blocks with only a move left. Schemey business practice to get people to buy. Don't install.