I like this track a lot, really fun main motif and such a pleasant listen! I do think it might have profited from a little more dynamic range though, like the brass having a little more oomph in certain parts. Also, I think the track is missing a few instruments at the lower end of the frequency spectrum. I could imagine a double bass simply playing some sustained bass notes over certain parts of the song would have helped to add a little variety.
Also, I have no idea how you would mix a cute racing game with an RPG, but I totally wanna try it!