The game itself is great. Very enjoyable and really makes you think. I only have one problem and that is some of the game ads that come up. Most of the game ads are short and let you get back to the game quickly. But a few of them like Play duko puzzle is about impossible to get rid of. I get aggravated and close the game that I am playing just to get rid of the other game ad.
It is a shame that an ad for another game makes me close the came I am playing and enjoying.