Thanks a lot for playing my game! I appreciate all the feedback. You should've tried out the other characters, they're pretty fun.
The points you've mentioned regarding the music/ sounds, and having a visual indicator for when the enemy gets hit— I updated these along with a few other changes based on other feedback I got from everyone, you can download the updated version on the game's page if you'd like to check it out (v1.0.07). I made these updates after the deadline closed, so I didn't want to update the main game after the deadline to keep it fair ;-; that's why it's a separate file... it sure makes a HUGE difference though!
Thanks a lot for the feedback, I'm glad you enjoyed the game :)