Terrible! It seems like a decent game on concept, but it literally forces ads on you. You have 10,000 coins. You want to spend them on upgrades, rather than watching ads? Nope. Not an option. Upgrade one thing using the coins, if you want to upgrade something else you are forced to watch ads to do so. Ok, I'll just upgrade the one thing, and go back to playing. Nope. It forces the ad on you. And when you're playing the round? Boom. Forced ad. I played < 10 minutes. I'm Uninstalling.