I am intrigued by your use of the limitation - it works so well, hahaha! Perhaps maybe a larger "reset" area for the ball would serve to make it a bit more challenging, but that's a very minor thing! That point aside, I thoroughly enjoyed your game! I like the fact that the levels get progressively more difficult, more or less, as we get closer to the final level! What I enjoyed the most about this is that at some points we are "forced" to hit the ball through the blood to make it to the hole!
I really like that the game feels fun and relaxing above all~ It also feels like it can be very approachable even to those who don't necessarily enjoy golf or sports in general. Furthermore, it doesn't feel ruthless or punishing in any way (thus adding to the "relaxing" factor, along with the music), and the idea of a flurry of bats spurring the ball forth is super adorable! Excellent job with your game!! ^^