The game is fun, but there are definitely certain scummy actions at work to get you to watch more ads(besides frequently playing after levels). If you spin the prize wheel more than once (which takes an ad each time up to 5) you almost always land on at least 1 option that you have to pay real money to get rewards. Considering this takes an ad to get literally zero reward, it really sucks. Also, the wheel is literally so obvious when its going to scam you or give you the lowest reward.