Starting life as a Manga in 1988, Shounen Ashibe is a long running series about the adventures of a boy (Ashibe) and his pet Harp Seal (Goma-chan). Shounen Ashibe: Goma-chan no Yuuenchi Daibouken (lit: "Boy Ashibe: Goma-chan's Great Amusement Park Adventure") is a platformer game where the player controls Goma-chan, and must find 8 collectibles in each stage in order to finish it. The player selects the stage they want to play via Ashibe in an overworld view.

callumbal sets out to dive, jump and swim their way to victory - rounding up all of the collectables and besting all of their foes in record time.