Underverse Stories

Timeline after timeline, what if there's a human girl who remembers it all..? [xtale Chara x OC] I HAVNT SEEN A GOOD COMPLETED XCHARA STORY (thats been updated recently...

"the healer likes t' sleep. like, a lot." Axe looks at the sole female AND human member of Nightmare's subordinates. She was only ever awake for about 8-10 hou...

Doing the novembermare challenge trying to learn better on how to write and stuff dont expect a lot but i will do my best to not write absolute trash neither. One shots...

Born in a void, devoid of all life, Glitch Gaster had nothing. He had to watch as other Au's got to experience lives and outcomes.. While he had nothing. He loathed to h...

???: I want a fresh start and you seem like the perfect specimen to use for this story, Y/n L/n. (So in short the first story of this still happened but ???(me) Erased t...

An Undertale Multiverse story focusing on Nightmare's gang. This story follows the formation of Nightmare's gang and the challenges they later face when toe-to-toe with...

𝐴 𝑝𝑒𝑟𝑠𝑜𝑛 𝑖𝑛 𝑡ℎ𝑒 𝑣𝑜𝑖𝑑, 𝑡𝑜𝑔𝑒𝑡ℎ𝑒𝑟 𝑤𝑖𝑡ℎ 𝑡ℎ𝑒𝑖𝑟 𝑓𝑟𝑖𝑒𝑛𝑑, 𝑚𝑖𝑟𝑟𝑜𝑟 𝑠𝑎𝑛𝑠, 𝑎𝑙𝑙 ℎ𝑎𝑣𝑒 𝑡ℎ𝑒𝑦 𝑏𝑒𝑒𝑛 𝑑𝑜𝑖𝑛𝑔 𝑤𝑎𝑠 𝑤𝑎𝑡𝑐ℎ �...

So I have been given permission to write this from Waffurupanson. Check out their book Sleepwalker. It's REALLY REALLY good! I read it twice. An AU where Error is not co...

What if...no one even appreciates reaper for all that he does as death? What if..even those on yin side hated him? Well not everyone but he doesn't know that there are a...

COVER MADE BY: PlanetSatnerd This idea came to me so randomly and now I'm obsessed with it, at first it was supposed to be dumb one shots with no plot but now I genuinel...

Random Oneshots and Stories I came up with-just a bunch of shit Lots of non cannon, and shouldn't be read by people new to the fandom, it'll just confuse you. Most of t...

Dream has been invited by his friend Ink to investigate an old building said to be haunted, digging up the past Dream wishes he could just leave behind.

male sans reader x chara. i dont own undertale or any au of undertale or any pictures or videos i may or may not use in this book.

just some random scenarios in the untertale multiverse the first few chapters are old and bad

Many many years ago god not the ones you think the one true god he made the universe as well as many others time passed and he grew tired he couldn't handle watching eve...

After being saved from a homicidal Sans, (Name) is locked in the anti-void with a very odd skeleton. Chaos ensues. (ac: kat-snacc-alt)

(Published to the Editor's Account as the New Author) *inserts cool decription* ஓ๑♡๑ஓ ➸ Underverse belongs to Jakei. ➸ Undertale belongs to Toby Fox. ➸ All the AU's ment...

A short description of all of the ship childen, updated daily.

(Name), the princess of all reality, meaning she can corrupt space, time, and matter. all those things was a blessing but, a curse to her. one day, a friend of her state...

This AU is created by fate after a large amount of au's has been destroyed by Error in a battle with ink. This story is about an Au associated with gods and goddesses A...