There's currently four. Press the Light/Dark World sign to switch Patch's Dark Fountain open sprite is missing the dark fountain itself. (It's unused)
WARNING: This contains major spoilers, watch out! INSPIRATIONS: - Most of them were inspired by Deltarune, like the top-left was inspired by Berdly's "NOOOOOO-" sprite and the running one by Kris's running sprite. Patch's Dark Fountain open sprite is an obvious reference.
