I was expecting something that would actually play a bit like gauntlet when I saw that topdown camera, but the gameplay surprised me! I don't think I ever saw a gameboy game with these mechanics, so it was really awesome to see something new in the jam like this!
The only thing I wish you had added was some kind of "perfect" or "critical hit" so the player feels rewarded when they hit the mark perfectly, but it's still fun to play regardless of that!