Levels are incredibly difficult to get more than 1 star, fluke to get 2 stars & major fluke to get 3 stars; I played one level over & over many times & still couldn't get past 1 star...nuts! I played til level 40, no way to earn extra ingots (to get extra 5 moves) except initial ones when you install game and only 2 boosts earned so far. Seems a little skewed to me. Uninstalling