This was quite a charming game! It took a bit of time for me to make any progress on it, but I was able to get the gist of it after a few attempts. My main recommendation would be to increase the size of the hitbox of the small food pellets, since that can be a source of difficulty especially at the beginning of the game where you're very small. It might also be good to be able to tell what's bigger or smaller than you without having to just estimate it by eye.