This is so fun :D I love having different randomisers applied to the level to change how each level plays. The weapons also feel very fun to use and I love the fast-paced nature of the game. The art is beautiful too, and I love the sound effects used.
A couple points of feedback:
1. Some visual hit feedback for the enemies would be nice to make it more obvious that they took damage. I know there's an audio indicator but some kind of flash/knockback or something would be nice
2. I don't really know how to describe it but it sometimes felt like my projectiles were just deleting themselves for no reason before they hit anything, like it would grace the platforms and then despawn. Either that or it hit an enemy and it was hard to tell (see feedback #1).
3. Some more level variety would be nice imo. The theme doesn't need to change, but maybe changing around the platform layout + maybe some obstacles/stage hazards could help mix up the gameplay.
Overall I really enjoyed this, but a little polish here and there could help carry it even further. I hope your very serious game wins this very serious game jam!!!