An incomplete information problem disguised as an unfolding game disguised as a civ-building card game.
Unfortunately, even after mastering the basic mechanics, you have no knowledge upon which to base your decisions. It's a deckbuilding game where you didn't actually build your deck. It's a strategy game where the concept of strategizing is alien. It's a micro-management game where there's only a tenuous relationship between the visible representations of your units on the screen and the areas covered by those units. Even on easy, you will earn spare gold from massive population satisfaction and still need to skip turns because you don't have enough gold.
The worst part is I'm 100% certain this isn't an accident. The game was obviously carefully designed, balanced and play-tested to capture the existential horror of managing a medieval sanitation project. On Normal, I suppose people would be dying of dysentery or sacrificing goats or whatever, and it would be my fault somehow for not putting cards on colored rectangles in the correct way.
Overall, it's the digital equivalent of a gilded, precision clockwork mechanism tasked with smacking you in the face with a dead fish for all eternity, or at least until the gearbox winds down and you run out of gold or stars or whatever and get a Game Over.
I'm only halfway through the second age, and I can already see where this is going. In the future, every possible structure and interface remains clogged with unusable components for permanently-stalled projects, while the deck keeps cycling and piling on new mechanics and fires keep breaking out and nothing works, all because I didn't somehow predict the need for three scribes and a foreman three turns in advance, and after I got the components together, I ran out of money to finish it that turn and had to sacrifice like three red cards at once.
Which is all a fancy way of saying I don't understand how the game works, even though I'm long past the tutorial and I remember everything it taught me. I've learned the mechanics, but the game flatly refuses to let you wrap your head around its dynamics during gameplay. You would need to lose multiple times just in order to know what cards appear in the late game so that you can attempt to make any meaningful decisions whatsoever about which cards to keep, use or discard at any given time.
So I give up. The quaint town of Grudziądz may keep its mysteries, for I will no longer play a hand in its people's suffering.