Although, there is an argument to be made that the primary function of a video game is to be entertaining, and that may cause a division between art games and "traditional" games (for lack of a better term). But now we are getting in the pre "post-modern" discourse of art versus Art. Since I firmly believe that all art is Art, However, there exists a scale where the artistic merits of Undertale play against it when compared to Freedom Planet, and therefore, in that paradigm, Garpocalypse is entirely right.