Thank you for trying my game! I'm glad you enjoyed it. And yes, definitely! As mentioned in a previous post to someone else, my collider for the fireball is too big so it doesn't look like it hits the enemy. I think a particle effect would be a nice touch, too! I had a sound for a while but thought it would be too annoying since the player is constantly shooting fireballs.
That could work as well. I definitely would like to overhaul my entire audio for the game anyway. I really wanted to provide an options menu for the SFX and music but there wasn't enough time for me to figure how to do that. I think I plan on working on this game well past the jam so I hope to implement something closer to industry standards in the future.