A crab's treasure

as a hermit crab loses his shell due to "taxes" its up to him to get it back, Venture through many places, make friends, make enemies, or die, maybe youll be found at a town or in the tide pools, choose your gender, creature, name, anything! So will you help him get back his shell and cure the infection of the gunk, you choose! my third talkie. -1 human being (if you know the places you can say if you wanna go there)