Easily spent nearly half an hour playing this one. It was very difficult to get anywhere from the start, but once I had managed to get enough tadpoles the difficulty balanced out a little bit. Quite easy to play for a long time and managed to find somewhat of a tactic. Very well thought out central mechanic of bullets only damaging enemies after one bounce but then damaging you on two, I think this is what I struggled with at the beginning with only one tadpole but once I had a lot it became both easier and harder, like dancing with knives.
I don't know quite what the vending machine did with items having 10-100% values, I knew it did upgrades but I didn't quite understand. But the art and sfx in this was amazing too, and overall a nice game to play. Great work!