Fun game! Had a blast with this one. Felt the difficulty was a bit on the easy side and would have liked to see more types of enemies but the effects looked good and the controls were sane and functional. My only gripe was that after about 100 kills, the game became almost unplayably laggy. I was able to make it to 200 kills but by that point the framerate was in slideshow territory. You might want to look into object pooling for handling large amounts of bullets on screen. Nice work though, especially in context of the jam. If you fixed the performance issues I would play this again. Hope to see an improved build with more stuff in the future! :)