a horror based amusement park created by a frugal businessman during halloween that takes place deep underwater and is built on the idea of the lost city of atlantis and created on a shoestring budget, first person perspective looking up, halloween decorations, underwater city, amusement park, spooky, fish in the background, rides, amusement park buildings, deep sea themed, horror themed, fun, concept art, by harper groff in collaboration with tim burton