Thank you!
Interesting that you thought the movement was engaging, since it seems to be the main source of criticism from most other commenters.
Viewing post in Big Bullet Box jam comments
It might just be the controls that people were having a hard time with, or I made the recoil upgrade a bit too powerful. Either way, I made an "improved" version of the game now with the option to change the direction of the bullet, since I wanted to see if it felt better to control with the bullet pointed towards the mouse.
It's really hard to tell if I messed up the movement mechanics or just the controls.