Undertaleau Stories

1.2K Stories

My Two Masters (UF!Papyrus x Skeleton!Reader) by OreoDaSkeleton
My Two Masters (UF!Papyrus x Skele...by Oreo Fluff •w•
Y/N's been traded and sold her entire life. She's learned firsthand that if you don't obey your master, you get hurt. If you force yourself to listen, you live another d...
Ticklish Ink!Sans One-Shots by Violet_Royale
Ticklish Ink!Sans One-Shotsby Drew
Tick from Tickletale gets drunk one night and accidently reveals that Ink is the most ticklish Sans he's ever gotten. Word spreads surprisingly quick in the multiverse...
The Christmas Party [Undertale Au's x F!Reader] by _Sansational_Sans_
The Christmas Party [Undertale Au'...by Pᴜɴ ᴍᴀsᴛᴇʀ
[Undertale Au's x F!Reader] Can be found in my Quotev Account --> @.FanboilingTrash | AO3 --> @.FanboilingWriter | Tumblr --> @.bdudette When Blueberry and Str...
NaJ Au x Shy! Nerd! reader [ ON HIATUS ] by chuya_xii
NaJ Au x Shy! Nerd! reader [ ON HI...by chuya_
(Insert good description here..... -.-) NaJ or Nerd and Jock does not belong to me!!! NaJ belongs to Thegreatrogue in Tumblr or deviantart or something....... All pictur...
I want to go home.... (Undertale AUs x Reader) by EdgySkeleton98
I want to go home.... (Undertale A...by EdgySkeleton98
You're Frisk's friend, who jumped down the Underground. Not wanting to leave him alone, you jumped after him. After a lot of pacifist routes and resets, you woke up in a...
Remade as a Sans/☝︎♋︎❍︎♏︎❒︎ by Truenote
Remade as a Sans/☝︎♋︎❍︎♏︎❒︎by Truenote
Matt was a regular person who is a big fan of Undertale and it's fangames. One day he dies because of a person accidently knocking him off a mountain while he was hiki...
Becoming the multiverse from undertale by KarmaAkabane425
Becoming the multiverse from under...by Karma Akabane
What if someone from our world became the multiverse? Well everything is not likely to stay the same at all.. (Things will be different even possible personalities or a...
Becoming a creator from undertale aus by KarmaAkabane425
Becoming a creator from undertale...by Karma Akabane
What if..someone from our world died and became a creator that was everywhere and nowhere at the same time? What if that someone..became dust sans friend before he joine...
Nightmare's Love Attention by PassiveNootNoot
Nightmare's Love Attentionby PassiveNootNoot
Cover not by me and so as the characters. Random nightmare scenarios. The 1st chapters are all kiddies but as chapters move on, they get to be more uhhh let's say not f...
Just Strumming Along || {Reader x AU! Sans ((and some Papyrus's!)) } by galaxcoffee
Just Strumming Along || {Reader x...by ✨☕️
When (Y/N)'s grandma passes away, she moves in her grandma's beach house in Oahu with her ukulele. But what happens when she plays that ukulele by the sea and a "po...
Flowerfell Sans x Abused! Neko! Reader by Suki004
Flowerfell Sans x Abused! Neko! Re...by Suki
I made this book for @KawiiPotao6678 they have never read a flowerfell x reader so I made this book for them. But all you other people can enjoy as well. Sorry if some o...
You've Convinced Me by PureDragon
You've Convinced Meby Rand
The endless fighting and unresolved sorrow. Dream is tired of it all. In his desperate act of selfishness, he ends up captured by Nightmare.
Becoming Swap!Dream by AmeliaForEli
Becoming Swap!Dreamby LazyAmeliaforEli
*insert good description* [A/N:I don't own swapdreamtale btw, Just so you know the story will be different than the original as well as different characters and personal...
Naturetale : reborn as lavender  by KarmaAkabane425
Naturetale : reborn as lavender by Karma Akabane
(As far as I know, no one has made a story about naturetale like this so..and the only reason why I writing one like this is because of fatal error part 5? Or part 4, go...
Becoming cross from xtale by KarmaAkabane425
Becoming cross from xtaleby Karma Akabane
What if someone became cross from xtale after the au was already gone? This cross doesn't really know much about xtale to begin with and has none of the original cross's...
AU Sans X Reader One-shots by Little_Blue805
AU Sans X Reader One-shotsby Blue
Completely female readers unless a request asks different. That's...really about it, enjoy!
Broken on the Inside. UnderLust Sans X Reader Fanfiction.  by FriskIsADreemurr
Broken on the Inside. UnderLust Sa...by FriskIsADreemurr
Lust has been called names and cast out all his life for the way he is, then he meets (y/n), the only human that's been kind to him.
]Sanscest Oneshots[ by Leffee
]Sanscest Oneshots[by Leffee
(Cover belongs to heartkillers on tumblr) If everything went well - a bunch of oneshots with a bunch of ships. Rules and requests inside.
To become a parasite by KarmaAkabane425
To become a parasiteby Karma Akabane
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...
Undertale au x Reader one shots and Lemons by Psych0Girl_XD
Undertale au x Reader one shots an...by Psych0Girl_XD
I don't do a Character x OC. So don't request that shit