Undertaleaus Stories

Cover image made by me. Someone meets their end too soon and meets someone who gives them another chance to live a more fulfilling life. One that they would enjoy despit...

Literally what the title says. A book of headcannons for Undertale, Deltarune, AUs, Sonic, and other fandoms. No NSFW, lemons, or kinks allowed! Look somewhere else, ya...

Lust is caught up in the drama of being misunderstood, but one love will make him realize he's more than what people believe. This is the revised (and longer) version o...

Dream always felt the weight of expectations on his shoulders and they've only grown worse now that he's a Star Sans. Save this AU, rescue that person, stop Nightmare ov...

They finally defeat Dark Enchantress cookie but at great cost... Many people died names Gingerbrave, Chili pepper, Rye, Carramel Arrow, Custard III, Wizard, Strawberry...

after the sixth human died, Toriel couldn't endure watching another child fall just to meet their demise, so she asks sans to seal the entrance to the underground. stopp...

Hello! I haven't seen anybody make this so I decided to be the first! And no I don't own this universe nor Undertale -w- I may not be consistent or even post for months...

What happens if all the undertale aus, are children?!?!? Ink creates a daycare to keep them all safe! Read on, even though barely anyone will see this.

Nightmare's gang always knew that their job was risky, but they never expected to actually die. Then Killer was killed. Nightmare found a replacement quickly enough, bu...

All she wanted to do was to settle down a bit with her children and live peacefully.... ...So why the hell did these skeletons and this woman appear in front of their h...

Spectator, an amalgamation, find themselves having fallen into the place they originated from, the Void. When their code starts to betray them, turning into a clump of s...

it's something I wish to animate but I criticize myself too much, so I'm writing it down.. maybe they'll be pictures of my drawings but don't expect anything though

"Error, what did you do?" Ink didn't expect there to be AUs beyond the Doodle Sphere. Core Frisk never would have thought that there are things they can never...

Monsters and humans come together. After frisk the human with the power of DETERMINATION frees the monsters from the underground. But what happens when certain humans co...

Book majority written in English, I don't tend to update this daily or with a specific schedule, I just write things here when I really want, need or have any other idea...

One day as Reaper wandered around some AUs after a nights work, he came across an empty Au. As the explored the white void he noticed that he wasn't alone. This new pers...

I created the cover( Yes I know my drawing sucks its why i made it a story and not a comic) So as I said before this is actually a re-edited story and I decided to go a...

I drew the lil doodles on the pfp :3. Uhh, if you know, I make C.AI things, so if you came from C.AI, or not and just saw this, make a suggestion! I mainly do Sans/Under...

you are frisk the cool child same as undertale but different 🤨 literally: skeleton monsters are very legendary to find and Gaster just died🙂 but the underground monste...

Oneshots centered around my various AUs and some other AUs I like.