Undertalegame Stories

theses are sans aus x classic sans pictures book if you don't like the following ship please click off thank you for wasting your time on my book ❤️

Monsters' souls are very important to them, it tells them who the love of their life is, who their closest friends are and it is the source of their magic. Humans' souls...

An adult Frisk falls down Mt. Ebott. And unlike on the surface, the people here do not hide their primal desires, yet they're still kinder than the humans up above. Di...

YOU KNOW THAT EVEN IT'S JUST A GAME, THERE ARE CONSEQUENCES AND YOU, MY DEAR CHARA WILL HAVE THEM SHOVED IN YOUR FACE! THIS STORY IS ABOUT MY AU UNDERGOLD, I WILL EXPL...

This is my Oc, Neon, Bio and short story. Hope you like it! Compliments from Rtx!

As the title suggests this is where I put information I gather about boss battles from the loveable RPG Undertale. From the Genocide (No mercy) Route, to the True pacif...

(Y/n) is just a girl hoping for an exciting adventure, which is why when she heard of a field trip into dark forests, she knew that she had to go and check it out. What...

THIS AN INVITATION FOR SOMEONE WHO SINGS OR KNOWS SOMEONE WHO SINGS!!!! I couldn't sleep until I'd put this together, and since I'm not much of a singer myself, I'm invi...

an Undertale Roleplay Book! This will ofc include AU's, alongside the main AU/Game.

She hadn't grown up on the surface. She hadn't grown up underground, either. She grew up in a different universe. What might she be doing here, in a different realm? Who...

I never thought that I'd find my purpose in this world. For a long time, I thought I was nothing. A mere glitch in this universe. Until........ I met...... Her. Frisk. S...

These are the untold stories of Spec, an alternate version of Sans from Undertale by Toby Fox, created by Itorilan. You can find them on DeviantArt.