This is most definitely one of the most polished games I've seen in the jam. Down to a map editor AND importer, wow! Lovely music, great mind bender trying to optimize your path, epic art, great all around! It did feel a little more on the chill side when playing (especially with the music), but I do see how the story fits in the theme.
Add in some sound effects (I don't hear any in WebGL even if a slider exists and isn't muted) and some more polish and you'll have one amazing game! Awesome work, well done!