Undertale-au Stories

"You shall seal the blinding light light that plagues Human and Monster dreams You are the vessel You are the Hollow Knight" •Somewhat of a reboot of Someth...

Chara(Cocoa) x MaleReader Any art here ain't mine.Credits goes to the artists *ShiftFellGold Chara(Cocoa) By CutieGrumpyCerym -Tumblr -DeviantArt Creator of ShiftFell-G...

this is the 2024 remake of my past two undertale au showcases. a lot of aus i no longer have, others have more information, completely reworked or have new designs! i fi...

when stores are made with reborn, there are manly 2 ways it goes 1. it's silly goofy and unrealistic 2. it is really realistic and had a lot dark thems aling with people...

Cover is temporary but made by me- An art book of art that I did either recently or is old as fu-

in the end you made your choice -Eve when someone wakes up to something that they thought wasn't even possible, it probably would cause them to panic or freak the fuck...

What happens when during a Genocide Run in Undertale, the timeline gets corrupted..? Undertale by Toby Fox.

Curiosity is a rather...fragile... thing. It can fuel creativity and inspiration, yet it can also lead to harms way. After all, curiosity killed the cat, right? But when...

In this, you readers can ask Mistral, Rebel, Hero, and RebellionTale Fresh questions and even dare them too! Mistral is Head of the Royal Guard in his Universe, while Re...

This AU will describe everything that looks basically the same, but now monster have an chemical inside their body. And there will be one villain that will rise and chal...

Roleplays I had on a discord server of mine but in a fanfic format. Trigger warnings!! - Bright colors are shown in the illustrations, beware. - this may have some viole...

What happens once a "Cluster" begins? Do all the AUs caught within it get destroyed? Does everyone die to inevitably become dust? Who knows, an event so rare h...

DISCLAIMERS: 1. I do not own Undertale or its characters. Props to Toby Fox and the Undertale team for gifting us the beauty of Undertale and the characters. This story...

You'll hopefully be able to read this even if you're not in the rp. This is a High School AU of an alternate multiverse with tons of differences. Expect lot's of ships a...

There will be a lot of texting between sanses. A lot of HUMEROUS stuff And sometimes, I'll write stuff like every other novel I won't name every character I'll use here...

I'm gonna regret this... disclaimer: this is fluff, lemons, and small smut. dont like then I would advise you not to read.

Art by Elizabeth Draws. the text version of the Undertale AU known as Gap!Tale. This tells the story of Gap!Frisk, a Frisk who gained the ability to manipulate boundari...

OH SHIT -alpha/deadwill