Thanks for checking it out!
Glad to hear the progression was fun - this was my first time trying to design an incremental game, so I was worried about making the upgrades feel rewarding without being too costly, and though I feel like I didn't really hit the mark, I think I got close (I am working on tweaking numbers to balance out what the costs since they seem to lean more towards bones and less gears, per feedback so far)
Likewise with the boss fight, this was my first time working with bullet hell mechanics, so I didn't want to go too crazy, and with Kronii requiring you to stand in a smaller area, most of the normal touhou-esque attack would likely just shred through the timer. On top of that, I still wanted the upgrades to feel meaningful in the fight against her, and not just in the regular level against the Kronies. Definitely some wiggle room though, there are probably some moves I can add to her arsenal to make her a little more deadly while not feeling too unfair.
But it would be awesome to come back and add more content, I just wanted to keep things small for the jam, out of respect for the rest of the team - we've all got stuff to handle, and most of us couldn't focus on the project until the second week. I originally pictured this being a game featuring Justice, and I think that would be a great opportunity for expansion if the team and I get the time to come back to it.
Thanks for taking the time to play, and for the feedback!