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  • Unexpected Rebirth: Reborn as Error 404
    15.3K 528 4

    Error 404 always had a singular goal, to revives AlphaTale, the first AU. But what happens when he finds out AlphaTale wasn't actually the first AU? Devastated by the Knowledge that his entire life was based on a major lie Error 404 kills himself. In a different reality at the same time, someone with a similar soul is...

    Mature
  • Reborn as the tree of feelings
    85.1K 3.5K 12

    What if someone died and became the tree of feelings from dreamtale? Well things won't stay the same, that's for sure. (Different everything etc, different personalities etc, different multiverse

  • Wait... I'm Nightmare!? I Thought I Died!?
    244K 13K 52

    (Cover made by me!) (!Updates 1-4 times a month¡) You died by cracking your skull open as you walked out of the shower. Godamnit life!!! To die in the most idiotic way!!! Which was very frustrating until you met a strange entity in the 'in between' that causes you to be reincarnated as Nightmare. Errr... sorta. What h...

    Completed   Mature
  • Repeated Reincarnation (REWRITE!) {SLOW UPDATES}
    35.9K 2.4K 32

    It was a bit...ironic, honestly. He (was he a 'he'? or was he a 'she'? he- she- they- didn't remember the life before all of this...) was just a regular person, as so he thinks, he didn't remember much of his actual past life. Just that he was human and..just normal. He didn't really expect to die and reincarnate, aga...

    Mature
  • Water you doing?
    6.6K 376 9

    Sometimes, forgetting everything is for the better...but it's not like you had much of a choice, you just kinda woke up in a lagoon all by yourself. No memories, no nothing, just a horrible ache on the side of your skull and a bitter taste in your mouth... But time heals all wounds....or so they say... (Art by the ama...

  • Remade as a Sans/☝︎♋︎❍︎♏︎❒︎
    143K 4K 37

    Matt was a regular person who was a big fan of Undertale and its fangames. One day, he dies because of a person accidently knocking him off a mountain while he was hiking. When he opens his eyes, he is somewhere unknown. Will he survive the multiverse filled with deities and monsters? Maybe, maybe not. Only time will...

  • "After death", [Reincarnated As Dream Sans]
    6.2K 294 7

    Y/N barely make by their monthly payment to pay rent. sharing a decent enough apartment with a rude roommate who's supposedly pay half but is broke and jobless, Working tirelessly to death. y/n had no choice but to deal with the heavy weight until their roommate gets a job, Y/N hadn't expected the worse yet to happen...

  • A Killer Life
    46.6K 2.7K 24

    adopted story. original by @Mijunaa :3 - The afterlife of a dead human that reincarnated into a Killer!Sans variant. The facade of the new owner of the body, could he keep playing along forever? or A person from our world, just an innocent civilian (or is he?), reincarnating as an alternate version of our well known...

  • Gosh This is HORROR-ble (Reincarnated as Horrortale Sans)
    64.6K 4.2K 58

    A story where you, the reader, are reincarnated as horrortale sans, some things you still retain from your past life, like how anxious you are, and how you pretend to hate puns (you secretly love them). You're not sure what this new life has in store for you but nothing could compare to how bad your past life was...

    Mature
  • The Path We Walk
    61.4K 2.3K 40

    Aster Corvus Concord, now known as Sans Serif Gaster, was living a relatively peaceful life having reached the surface. Then it all reset. Now, after living through an endless cycle of genocide runs, the human asks to join forces to kill the underground. Will our reincarnated protagonist join in the carnage? Or will t...

  • Dream? Who is that?
    83.5K 6K 107

    'Dream' was not happy. He has no idea where he is or what is going on and now has to deal with the grumpy Negativity Guardian. At least it can't get worse...oh, wait -- Reincarnation as babybones Dream who is not happy at how crazy this new place is

    Mature
  • underAU ;)
    18.2K 977 8

    you were just mind you own business walking home when suddenly when you were crossing the street you got hit by a car and died only to wake up in a confusing situation of fear and confusion. (hope you like the idea and if anyone wants to copy feel free just give me the credit for the parts you copy thanks!)

    Mature
  • A Splash of ink
    32.3K 2.9K 69

    Every child requires care and affection in order to thrive. So what happens when one is born alone and spends centuries by themselves? "Ooo! What does this taste like?..why does my mouth suddenly feel so tingly?" "Spit that out, right now!" ....the end result can be rather 'interesting' to say the least ~~~~ OC Babybo...

    Mature
  • To become a parasite
    40K 1.7K 11

    What if..someone became the same parasite that was fresh? Not as the skeleton, but the parasite, the thing is, when this parasite gets memories of another life and their feelings...they become..protective of their host...and train..a lot with the host and without the host.... Now all they want to do is protect fresh...

  • This life as Error Sans.
    64.2K 3.5K 26

    ⪼A life where our beloved [Reader/REDACTED] died a very.. 'Fun' death. ⪼upon realizing their death, they'd realize that they reincarnated into error sans, a character they used to know as a kid. ⪼[REDACTED] Gained some friends that were on his side along the way, siding with the bad side of the AU's proudly. ⪼would [...

  • Reborn As Lamia Killer Sans!
    22.1K 1.3K 12

    To sum it up, someone is reborn as lamia killer sans! If you want to know more, continue reading!

  • Reincarnated as INF!Nightmare Sans
    456 34 3

    "...𝑡ℎ𝑒𝑟𝑒𝑠 𝑠𝑜𝑚𝑒𝑡ℎ𝑖𝑛𝑔 𝑜𝑓𝑓- 𝑁𝑖𝑔ℎ𝑡𝑚𝑎𝑟𝑒 𝑑𝑜𝑒𝑠𝑛𝑡 𝑙𝑜𝑜𝑘 𝑙𝑖𝑘𝑒 𝑡ℎ𝑖𝑠.." "𝕿𝖍𝖆𝖙𝖘 𝖇𝖊𝖈𝖆𝖚𝖘𝖊 𝖎𝖙 𝖎𝖘𝖓𝖙 𝖙𝖍𝖊 𝕹𝖎𝖌𝖍𝖙𝖒𝖆𝖗𝖊 𝖙𝖍𝖆𝖙 𝖞𝖔𝖚𝖗𝖊 𝖚𝖘𝖊𝖉 𝖙𝖔, 𝖉𝖚𝖒𝖒𝖞." _________________________________________________ You as the MC die in the normal human world, where m...

    Mature
  • The Silent Destroyer
    18.4K 618 9

    cover art isn't mine and belongs to its rightful owner Error is finally ready to give in. The multiverse he spent so many eons protecting and keeping the balance is rebelling against him. The AUs he has spent so long protecting are rebelling and are soon to be destroyed, but worst of all, all of the Sanses hate him f...

  • Autophobia Reborn Dream
    6.7K 298 7

    His brother wasn't always a monster; that he is now shown to be. At the final stand against the parasite that possesses his once brother; he is mortally wounded, and his last sight is his brother collapsing the au. huh HUH he wakes up with his brother just after getting their vessels from the Tree of Feelings. Will he...

  • Reborn [Error!Sans fanfic] [Fgod]
    151K 6K 16

    [Cover belongs to me] Error is the (forced) god of destruction, Ink is the god of creation. Both are needed to keep the balance, but while one is loved the other is hated. Ink together with the judges elaborated a plan to finally stop Error. A deadly trap. Impossible to escape even for the feared destroyer. But someon...

  • Reborn as a Echo Flower?
    161K 7.4K 48

    Where am I!?And why the heck am I suddenly a blue talking echo Flower?

  • I Was Reborn As Asgore, What should I do Now?
    40.9K 1.5K 7

    After dying in the hospital due to complications in surgery, an Undertale fan finds themselves sitting in Asgore's throne room. Where they have no idea where they are in the timeline or if they're in an AU or a Classic timeline. How will they cope with this change, and what changes to the story will this make?

  • Another Chance (Reborn as a Sans From Naturetale)
    15.9K 930 11

    "Please just... leave me alone..." Maybe that was the last straw for me, the last beating I could take before it finally kicked me off the edge. The last of anything I could handle. I've had enough of this. There was nothing I could want, nothing I held on to, no one to stop me for what I will do. So, why do my 'eyes...

    Mature
  • GothVerse
    97.4K 7.2K 172

    Being reincarnated again is annoying. Becoming a skeleton monster is new. I am already tired of life so can i get a refund? What do you mean everyone said no?!....this is going to be a pain ---- OC as babybones Goth who is tired of life and getting thrown around the multiverses. He may want to leave, but others are mu...

    Mature
  • Becoming ut papyrus
    47.7K 1.5K 12

    What if someone became original papyrus from undertale? They can probably be like the original papyrus is but the one thing they won't stand for is frisk/chara/player killer their brother in front of them. Later that day frisk/chara/player regrets trying to break papyrus by killing his brother in front of him..let me...

  • The Destroyer runs a lamia bitty rescue
    14.7K 868 26

    Adopted idea. Error is known as the destroyer of worlds, but in a bitty miniverse, he is known as a rescuer for lamia bitties. What happens when the rest of the multiverse finds out?

  • Deity of not only destruction but balance too!
    21.2K 839 16

    Error, the so feared god of destruction ends up by destroying his while multiverse after he have had enough of everyone's shit. Now he ended up being up being the father/big brother of every Error and perhaps, maybe a few Inks. What will happen in his new life. Warnings: Cussing Svicide Ab!use Gore P.S. All artworks a...

  • A MINI Adventure
    23.3K 1.1K 13

    Whose dream isn't it to end up in one of their favorite games or series? When you know so much about it, how much can go wrong? A lot, apparently. [Aside from my Ocs, I don't own any of the characters]

  • Fresh New Antivirus
    244K 13.2K 93

    Fresh is Admin of the Multiverse!? This can't end well ... or can it? This is an alternate universe - er, multiverse - where Fresh is responsible for the monitoring and disciplining of Players and Hackers as well as hunting down and eradicating any virus or external threat to the multiverses balance systems. Now what'...

  • Transported as ink papyrus
    6.6K 466 7

    Lol this came to be cause of a comment in my reincarnation as ink sans story. So I'm doing it. I don't know much about ink papyrus but meh, this is fan fiction so what happens in here, happens. Though instead of transported it was reincarnated but I like the transported a bit better.