I very much liked the cute aesthetic of this game! The marshmallow is a very simple but likeable character, and I can definitely say that I haven't seen the idea of a player character physically growing out of their own control as a mechanic in other games yet. The gameplay is pretty neat, though I was absolutely terrible at it because, well, either the different things change location every now and then, or I have a terrible memory (probably the latter). :P I liked the game, and the music is neat! Nice work! :D
Also, here's a bit of bad fan art for you: