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  • Killed it! {Reincarnated as Killer sans}
    29K 1.7K 14

    ⪼Beaten up and betrayed, {Name} dies an unfair death because of their best friend. Having their life and their brothers whisked away in a flash. ≫They find that they inhabit a certain skeletons body, trying to live happily before having their murderer breath down their neck each second. ≫Its up to {Name} to figure out...

  • Sweetheart (Errorink)
    135K 5.8K 63

    Ink accidentally made a new AU too close to the other, causing a chain of AUs to collapse. The rest of the Multiverse hears about this and comes to the conclusion that Ink did it on purpose. They begin treating him like dirt, or rather like Nightmare and his Gang, but after trying to fix his mistake numerous times (to...

    Mature
  • Another Chance (Reborn as a Sans From Naturetale)
    15.3K 917 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
  • King's Heir (A Dadmare fic)
    86K 4.7K 24

    Nightmare is a god. Not only is he a god but a king as well. A fair and just king at that. Despite being the most feared being in the multiverse he is surprisingly the opposite of what most would believe. They believe he is a cruel tyrant when the king is actually rather caring. The only problem with the king is that...

  • Webs and Bones
    4.2K 195 14

    "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 see. Error never thought he would get his ass kicked by a bunch of humans. The Spider Society should probably have planned first contact a bit more.

    Completed  
  • Game Of House
    60K 2.7K 11

    This story is about a version of Error who destroys not because of fate and not because he is crazy, oh no... here, Error destroyed because he wanted to die. all he wanted was for the pain to go away and he could finally sleep for the rest of eternity. but you can't get rid of an error without deleting the reason th...

  • *Rewrite/New Version* Healing What Has Been Broken
    90.6K 3.6K 11

    (This is the rewrite/newer version of 'Healing What Has Been Broken'. I do not own Undertale, the characters, or the cover - they belong to their respectful owners and JuneTheTrickster made the art based off of my new design for Erratum. I only own my versions of the characters, OC's, and this story.) Error, the Force...

    Mature
  • Thought To Be Dead-An Ink!Sans Fanfic
    10.3K 566 12

    Ink was believed to be dead centuries ago. However, he was just greatly injured to the point of appearing dead. His grave was unvisited for decades, and as a result, he was stuck in a coffin for years. One day, his grave was discovered. This caused him to finally be released. The world as he knew it was no more, and h...

  • An Epic Child Destroyer
    981 73 4

    Adopted from Firehedgehog's idea factory. In an attempt to turn Nightmare good, Error is hit and turned into a child. He then ends up in Epictale. And Epic wants to... adopt him?!

  • I didn't sign up for that shit
    27.5K 1.6K 34

    If someone had told the Bad Sanses a week ago that they would not only have an unwanted vacation but would also have turned into children, they would have dusted them off without hesitation. But now? They just wonder who they pissed off to endure this fate. Or: Nightmares gang gets the right body for their behavior an...

  • Mother Mare Mother Mare, What Have You Done Now?
    1.3K 36 3

    It's the FGOD Universe, and his "children" have just been dusted. With anger he frantically tried to find a way to restore them. He's found a way, but with that there will be sacrifices.

  • FGOD Error in Dreamswap (COMPLETED)
    88.8K 2.6K 37

    NOTE: A old fanfiction created by me during Covid 2021-2022 back when I was invested in Undertale/Undertale AU's. If you're looking for angst or topics being covered more seriously this story may not be made for you as it's mostly light hearted and written during long car trips or when I was bored. I would like to tha...

    Completed  
  • reincarnated as corrupt nightmare
    39.6K 1.6K 8

    you died and when you wake up your in a completely different world the one of dreamtale as a goest trying your best to help nighty survive the abuse the villagers put him through. ... sounds like fun! 'not' I just hope I can figure out a way to save nighty before the apple event happens. there's no way in hell am I g...

  • 𝘉𝘭𝘢𝘤𝘬 𝘚𝘸𝘢𝘯 / undertale
    2.6K 233 11

    [Reborn as Reaper]

    Mature
  • Reaper sans in creepypastas world
    19.9K 1K 8

    What if someone pushed reaper into the void while he was visiting outertale? Well nothings going to be the same since reapers no longer in the same multiverse... (Everything's different, etc

  • I'm Killer Sans? Am I getting taller or what? [Reincarnation]
    13.2K 574 7

    What should do I now?... Hold on... I can change this story for the better ending! Buuuuuut I can't even save Dreamtale but I can save the two apple twins bonding's, that would be great! I should probably change my nickname instead of Killer sans...

    Completed   Mature
  • Blue Strings Of Mercy
    25.8K 1.3K 3

    (I do not own this picture or any of the characters, Undertale and any AU's in this. I only own this story.) The Original Error was angry, destroyed everything he could and became known as the Destroyer once he was dragged into the Anti-VOID. He was driven mad by the screams that only he could hear as he lost all his...

    Mature
  • FGOD Error: THE LAST LAUGH.
    404K 14.7K 102

    He had enough. They didn't appreciate him. He tried so many times to explain to them why he did it. They wouldn't believe him. So why should he keep protecting an ungrateful multiverse that beats him down for doing what he's supposed to do? Cover art isn't mine, and this is inspired by harrish6. Oh right I forgot to m...

    Completed   Mature
  • HIATUS | Found Family [Undertale / Nightmare Gang]
    12.8K 749 10

    Cherry, an unusual swap-sans type, draws the attention of Dream and Nightmare when he is left the only survivor in his underground. With his Papy's gaster blasters following him, he realises he must make a decision. Should he join the Star Sanses and fight for good, even though they wrongly blamed him for his timeline...

  • Mr. Erratum. Second chance for better life. (DestructiveDeath/ ErrorxReaper)
    60.5K 2.2K 34

    God of Destruction and God of Death they are same but different in same time. Both of them hate each other. But what would happend if one of his friends/brother. Help them to know each other? What would happend if they would be friends? What would happend if they starts dating? What would happend if 'Destr...

    Completed   Mature
  • 'Can I Have A Say?' {AU Fanfic}
    12.2K 612 13

    Color and Nightmare have been fighting over Killer for a long time, trying to get him to stay and switch sides over and over. But nobody has asked Killer how this makes him feel. Feeling all that pain, being reminded off his horrible past, and then getting it all torn away from and being forced to start over again. ...

    Completed  
  • Big Sister Undyne
    11.3K 573 15

    Underfell is a dark world with the major rule of kill or be killed. Even though children are suppose to be secluded from this rule, that doesn't stop monsters from hurting children. Undyne is a monster who lives in Waterfall. Under the care of Gerson. One day while out on a walk the fish monster stumbles across a baby...

  • A MINI Adventure
    23.1K 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]

  • Road to A New Life
    41.8K 2K 20

    In which the unhinged Forced God of Destruction thrown out of his Multiverse, in an unexpected incident. He became a Multiversal traveler in an attempt to return home. Will it be worth it? Or will he regret it? ¦ ¦ ¦ ¦ ¦ ¦ ¦ ¦ ¦ ¦ ¦ ¦ ¦ ¦ ¦ ¦ ¦ ¦ FGOD by >Harrish6 Undertale by >Toby fox ~Fanfiction for the Fa...

  • DustX [Underverse Fanfiction]
    12.3K 541 20

    He wakes up in a white place... (Man wakes up as a alternate version of Cross Sans,neat,the cover is mine..Cross Sans is not mine or any Sans you will see besides this alternate version of Cross) Got first place in Bittytale...cool Got first in Fresh!Ink..cool Got first in Geno!Sans...cool Got first in Fresh!Sans...co...

  • Transported as nightmare from momma Cq!?
    12.9K 684 5

    What if someone from our world was transported into momma Cq as nightmare? What if a bit later after being nightmare for a while, he finds the momma Cq version of nughtmare gang as babybones/kids? What if after taking care of them for a few years, nightmare and his kids get transported into the original undertale afte...

  • 𝐐𝐔𝐈𝐄𝐓 - bnha x genshin ᝰ.ᐟ
    150K 4.4K 32

    ᝰ.ᐟ 𝐃𝐈𝐒𝐂𝐎𝐍𝐓𝐈𝐍𝐔𝐄𝐃 ᝰ.ᐟ 𝐁𝐍𝐇𝐀 𝐗 𝐆𝐄𝐍𝐒𝐇𝐈𝐍 𝐈𝐌𝐏𝐀𝐂𝐓 𝐗 fem! reader ❝when death takes my hand, i will hold you with the other and promise to find you in every lifetime.❞ __________________________ Don't read this it's so goofy and has a lot of spelling mistakes 💀

  • From Ashes Reborn [GENSHIN X MHA]
    1.1K 44 3

    This is purely made out of self interest. As the title suggests, a short violet haired boy has begun in UA through the reccomendations. It is indeed The Wanderer/Scaramouche. The Title is in working, I'm also making a cover. "May your first day in UA be filled with great experiences!", Makoto, Kunikuzushi's aunt, had...

  • Everything has changed ( Reincarnation Fic)
    504K 19.2K 29

    "It feels so different, everything has truly changed for the better" ___________________________________________________ Mei's life has changed after she woke up as Rei Todoroki the mother of her favorite hero from My Hero Academia now she is determined to to change everything so that The Todoroki Kids get the happi...

  • ЦАРЬ KAISER - A Race to Conquer (Countryhumans)
    20.6K 412 30

    What do emperors do best? Rule, of course. Enforce, command, and conquer. Russian Empire is described by many negative adjectives: Proud, arrogant, belligerent, and constantly on the brink of offence. He's aggressive and powerful, and always waving his flag, but everyone, including himself, knows the real Tsar; just...

    Completed   Mature