Underspell-
Everyone is a wizard. (Inspired by the deleted SPELL button in Undertale files before there was an ACT)
Savagetale-
Everyone is a stereotypical monster with sharp fangs, long nails, and a desire to kill.
Imaginationtale-
Based off of the theory that Undertale takes place in Frisk's imagination, these little guys are all figments of said character's mind.
Artisttale-
All characters have certain art skills, like painting, and welding.
Traitortale-
Sans gets possessed by Chara, and goes on a mass killing spree.
Countrytale-
All characters represent different countries?
Mythicaltale-
All characters have parts that link t