Undertale & AUs
88 stories
Justice Reigns in our Stars, but the Nightmare is far from over by Anathema360
Anathema360
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    Parts 16
Blue and Error were just having some time together in the Anti Void when they find an unlikely visitor....and he looks like Error! I don't own any of these characters
I'm the most epic sans ever by KarmaAkabane425
KarmaAkabane425
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    Parts 6
And someone from our world becomes epic sans, how will the rest handle epic now? Especially if they never even met epic before. (Everything is different, personalities changes etc
Slumbering and awakening death  by KarmaAkabane425
KarmaAkabane425
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    Parts 3
What if...original reaper sans from was actually asleep the whole time and the aus only meet one copy of him be a use the original was asleep and that's why there was only one copy of reapertale. What if there was a reason why reaper was asleep? What if they aus found out and woke him up wighoug knowing the reason? (Different everything, different beginnings, different endings, different middles, different personalities etc
Static Burgundy by PonchoBow
PonchoBow
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    Parts 7
During a skirmish between Error and the other sanses, one of Sci's inventions went haywire(as they always do) and it goes as well as you think. Maybe. Error feels a headache coming. Dammit Sci!
Reborn as underswap sans with gamer abilities.. by KarmaAkabane425
KarmaAkabane425
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    Parts 3
What if someone was reborn as underswap sans with gamer abilities? (So this was a request kind of thing and I did have another one in mind with this but with it happen differently kind of thing so there will most likely be two reborn as underswap sans with gamer abilities but I'll probably use a different name for it. Also different personalities, different beginning, deferent ending, different everything idk yet
A story about Blueberror [Extremely rare updates] by M1ntyc00k1es
M1ntyc00k1es
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    Parts 10
It's a story about one of my favorite sanses Blueberror! This is also my first story soooo yay? No romance just family bonds Also FGod Currently being rewritten
The Fallen Humans by Denki_Shoto101
Denki_Shoto101
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    Parts 14
Anthony knew his life wasn't normal. All his friends seemed to be characterized with a certain trait. And soon, they all start disappearing the moment something goes badly in their life. Can Anthony fix what's happening? Can he save his friends? Or will he be doomed to the same fate as them. This is my own AU about all the fallen humans from Undertale. Plus a couple extra. It will mainly be revolving around one kid named Anthony.
Undertale Reacts by Denki_Shoto101
Denki_Shoto101
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    Parts 4
Its been a year since Frisk freed the underground. Papyrus had gotten a letter from an anonymous person telling him to gather some friends and go downtown to a secluded area. Seems normal. A group of monsters reacting to some things that have happened. Secrets WILL be revealed. THIS IS ALL MY AU!! CHARACTERS WILL MOST LIKELY NOT ACT LIKE THEMSELVES!!
1 Punto de vida [Undertale] by Tsuki-Sheik
Tsuki-Sheik
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    Parts 9
"Era sabido que Sans tenía un único punto de vida, sin embargo a este no parecía preocuparle mucho este hecho. No obstante, Papyrus no podía evitar sentirse intranquilo. ¿Y si le sucedía algo a su hermano?" ☁La imagen de la portada es de Shadow Lillium. ☁Undertale es propiedad de Toby Fox. ☁Publicado el 06 de junio de 2017.
One Shots and Drabbles. by _MattKar_
_MattKar_
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    Parts 3
A place where my short UnderTale stories will be posted. I hope you enjoy reading them as much as I enjoyed writing them..! Most of them will just be Sans suffering, because I am a steamy pile of angst. ((Cover is made by me, hiss. XD))