Really interesting! The music and art reminds me of undertale. The controls are really smooth and fun too. There was one part that I got stuck on and had no idea what to do (a big pit to jump over), but the game is great!
On that part you mentioned, I forgot to put some kind of visual indicator that tells you to transform, since that would make you able to jump that pit.
It was almost time to submit and I just forgot! Haha
