Rain World is part of an explosion over the past few years of games that express, through their pixel art, a very personal sort of fantasy. Along with Hyper Light Drifter, Witchmarsh, The Deer God, and Titan Souls, it sees pixel art not as cute but as ready for subversion, and an excuse to lavishly animate the living shit out of all on-screen characters. All of which does not mean that Rain World isn’t still also very cute, because: it is. I mean, these slugcats are pretty much made to be turned into plush dolls, which is good, because they…