undertale
51 stories
Given An Unwanted Second Chance by UndertaleFanatic981
UndertaleFanatic981
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(TW: unaliving thoughts and memories at the beginning. It gets better over time, don't worry! Trauma is difficult to overcome...) You didn't want a second chance. You didn't want to survive. You wanted the sweet release of death. But it seemed like the universe was far too cruel to allow you even that. It took away your memories, your free will to choose whether you live or die...hell, it took the one thing in life you owned! Your own name! And now it seemed like you had to live yet another cruel life, doing things you never wanted done to others. But...at least you could do things your way. Maybe this second chance wouldn't be so bad... (Reincarnated as Nightmare Sans, but unlike other stories, you have no clue what Undertale even is) (WE REACHED NUMBER 1 IN THE UNDERTALE TAG YOOOOOOOO) (9/13/25)
Reborn as Dream Sans [Undertale Multiverse] by DeadEnDead
DeadEnDead
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Reborn as the guardian of positivity, you find yourself in a strange new world, uncertain of what it may hold. Navigating it isn't easy with gods like Nightmare and Error trying to strike you down every step of the way. But unlike the previous Dream, you have nothing to lose, and are determined to forge a better path than the soul whom you have replaced.
Omen [Undertale Multiverse](rewrite) by DeadEnDead
DeadEnDead
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Omen, an ink who cannot create, finds themself in a new multiverse after their own collapses from stagnation. Never having known anything other than the endless white, its time for Omen to finally see what could have been. But why do all these strange people want to be their friend? What even is a friend, anyway?
This life as Error Sans. by coolkidindahood
coolkidindahood
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⪼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 [REDACTED] find out new things, new people, and keep up with their act? ⪼("SkReW yOu gOd!!1!".... huh?) ____________________________ ⚠︎{This story was made as a joke at first, the writing improves as time goes on. This story also contains swear words, No ships, And some grammar mistakes}⚠︎ ⪼(Cover made by me.) ____________________________ ⪼23/1/24 - #1 in Ink ⪼23/1/24 - #1 in Balance ⪼23/1/24 - #1 in Noships ⪼25/2/24 - #1 in Dreamsans ≫08/3/24 - #1 in Multiverse ⪼18/3/24 - #1 in Ausanses ≫29/3/24 - #1 in Inksans ≫30/3/24 - #1 in Undertale ≫03/4/24 - #1 in Reader ≫17/5/24 - #1 in Underverse ⪼24/6/24 - #1 in ErrorSans
RestartTale by COcrafts
COcrafts
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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 ahead and change the description as well this is no longer an X reader story this is a pure fanfiction Our main character who once went by Alex is now turned into Kris from Deltarune, now he has to deal with the possibilities and dangers of the game is so fond of in real life. but now the dangers lurk even further then before because of his unusual presence, I wonder what will happen ( any and all pictures that I have created will be credited inside the chapters itself, any other pictures will be credited to their creators. Please do not reuse my arts/Drawings you are welcome to do a fan arts but not using my pictures) Inspired by @KarmaAkabane425
Harbinger [Undertale Multiverse] by DeadEnDead
DeadEnDead
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Harbinger, a Reaper-variant from a war torn fgod mutliverse, tries to finally find peace after being thrown into a new multiverse where the higher entities do not exist.
Reborn In UNDERTALE!? by Nova_The_Supernora
Nova_The_Supernora
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I was just a 19 year old, living my mundane life, until I died... and was REINCARNATED!? And not only that, I was reborn in the famous videogame release in 2015 Undertale. ... What do I do now?
Reincarnated as Sans twin brother  by Sansdoll123
Sansdoll123
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The reader wakes up to a new life as a monster skeleton. In a new world, that's filled with monsters, humans, and magic. But instead of living their new life to the fullest, they will have to survive Gaster's experiments and war with humans. Just because Asgore became mad for absolute control over his citizens and the humans. Will the reader and his brothers find their freedom and a place to call home or die trying?
Tiny [Undertale Omniverse Traveller] by DeadEnDead
DeadEnDead
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Chaotic babybones Tiny is searching for his twin brother, who he's pretty sure was also thrown somewhere out into the omniverse. He's not going to let anything get in his way. "Oo, what's that? I wanna bite it--" If only he'd stop getting distracted by the cool things the weird multiverses out there have to offer. ~~~ OC Babybones Vantablack / Apple!Ink named Tiny wants to find his brother, but is an easily distracted chaos gremlin. [His brother's path is in a separate book called Firefly] Inspired by @philippaki 's writings Cover doesn't want to update :c