4 stars: This is a free mobile game, expect ads of course or pay an extra tank so you can grind more, which costed like 2 euro and disables forced ads. Other then that, a standard mobile game where you need some luck and a bit of skill to pop all the bloons in every level. Good in small portions to play, just don't expect much depth compared to the actual bloons TD games.
4 stars: I have played this game a lot and I gotta say, it's fun game when you want to quickly play something. I see many people complained about ads but, to me they don't bother me, maybe just me idk. Anyway, it's fun and I recommend.
5 stars: I gladly forked up $3 for an extra reactor which also removes the ads that in my opinion aren't all that bad here. Ninja Kiwi constantly puts out awesome games and supports them regularly with new content and this is no exception. This is a dev worth supporting and I will gladly continue to do so!
3 stars: The game really wants you to watch ads. There was also a large jump in level difficulty. I went from beating every level on one try to essentially having to watch an add to beat the level. Beyond that, it plays as expected and the game play is enjoyable. If not for the large amount of ads, I would have scored it much better.
4 stars: It was mainly good but when you get to round 100 (noted I'm currently level 236) you basically unlock everything except the maps of course. I would've given it a 5 star except that there is too many ads. ( I do understan...