Hmm I liked the pixel art of the barrel and liked how the the enemy had many attack patterns just two things
1. Sound effects and music even if generic would help this game sooo much
2. Watch this video for general bullet hell tips:
Viewing post in Where is my mom? jam comments
Anyway one thing I do want to mention is I'm doing a review of design on the games in this jam so here's a shameless plug to my channel if you want to be notified of the vid when released: https://www.youtube.com/channel/UC7Vj46GGL9VMUvd4YTMtjXg