While this game is moderately good, it's just a bit too easy, and the way the devs have incorporated ads and in-game purchases does not fit with the spirit of the game. It is, after all, a survival game, and should feel as though you are nearly alone in the marches; with a real-world-cash shop constantly available, you can buy survival instead of fighting for it. I don't mind the devs making money, but limiting access to the shop to visits by various merchants would fix some of the problems.