Awful! There seems to be a long and strenuous ad after every single game, and as I'm trying to tap the 'X' to remove the ad, it redirects me to the game store! Like someone else said, this is really disruptive and irritating. Renders the game practically unplayable. If you want people to pay for the game, at least be honest about it instead of causing this horrible experience for players. 👎🏼