At about 10 levels in, I was literally thinking to myself what a neat little game this is. Simple, clever, unique little toy of a game. Good controls. Not too frustrating. Fun levels. Nice aesthetic too. Then I hit the ad wall and lost almost all interest. It makes you watch an an ad before each level, it really breaks the flow of the game. I could see paying the $3 for the full game, but I sincerely doubt I will.