Undertwisted is a horrortale au which takes place in snowdin after a human named "Aliza" fell down after taking shelter. Aliza is met by a skeleton named "horror sans" and his only goal is to kill Aliza after being betrayed by Frisk from the orgin of Undertale. Sans lost his sanity by staying in the underground and starving for decades and he wants to seek revenge. This Au is a upcoming fangame that won't be just around sans. but each section of the game will be into individual projects including each part to the lore. There will be more news about this horrortale fangame in the furture.