Very good, I liked my time with this immensely.
You had many cool creative ideas and the way the whole campaign system is structured where you can play any level at any point but you only have so many tries is great.
I find that I mostly don't have the time to actually count anything and I'm generally just trying to estimate based on a glance. But it's probably more fun that way as the pure act of calmly counting is just not that interesting by itself.
The game feels really polished overall. I find it quite hard and never got through a run in which I beat all levels. My best score is at 19k-something.
Awesome music by the way <3