Undertale books
26 stories
No One is Happy with This (Undertale) by ANinnyMouse42
ANinnyMouse42
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~o0o~ Book 3 of the "Better Times" trilogy ~o0o~ (Book one: "The Time Before") (Book two: "A Name to Remember") Two years after the Barrier was destroyed, it's a dark and stormy night. A group of friends; six monsters, one human, and one flower, celebrate the anniversary of the monsters' freedom. Everything starts off with a seemingly innocent question: "What does the thunder remind you of?" But the answer only leads to more questions. Questions born of curiosity. Curiosity killed the cat. And it's a hard learned lesson that Determination can't always bring everything back.
My Greatest Experiment (Skelebros' Origin Story) by ZanaBSparrows
ZanaBSparrows
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    Parts 29
After much research and theorizing, I've decided that I'm going to attempt it. It's risky, but I'm so desperate at this point that I'm willing to put my own well being on the line. If I survive, this may just turn out to be very... interesting. This is my thoughts on the origins of Sans and Papyrus, as well as their connection to Gaster. It will be connected to the ZanaTale timeline (or, in otherwords, my Sans x Reader fanfic "When Two Souls Meet"). Loosely inspired by the HandPlates AU by Zarla. Awesome cover image by Dweebycake.
Still You {UNDERTALE} by emotistic-optimistic
emotistic-optimistic
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    Parts 1
After finally freeing everyone, you accidentally end up right back at the beginning. No one knows who you are, not even the person you love most. Do you have the Determination to do it all again?
Your bad nightmare by Allcapsgurl
Allcapsgurl
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    Parts 8
SANS HAS BEEN POSSESSED BY FLOWEY!!!!!!!!!!!! With their remarkable power they're able to take away Frisk's ability to reset. Flowey, in total control over the fusion, shows no signs of his motive, or what he wants. Frisk tries to fight back, they've lost everything, and are not ready to take them on. But they, one day, find thousands of piles of ashes, they've been killing this whole time and they didn't see it. Will they be able to free every monster in the underground, not to the surface, but from Flowey? Read your bad nightmare to find out.
How To Be A Dad (Undertale Fanfic) by ForbidsBlossom
ForbidsBlossom
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    Parts 7
(Short Story) Gaster have made an experiment and made a very amazing experiment. Two lives, in the hands of Gaster. The problem is . . . He didn't know how to take care of kids like them, he's going to need some help to be the two skeletons' 'Dad'
Handplates - Pills - by TheyCallMeGrim
TheyCallMeGrim
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    Parts 20
Two white pills sit in front of Sans. They're white, whiter than his chapped bones, and they're round and smooth. Where did they come from? Certainly, he never saw the Doc making them, and they haven't been out on his desk... So, by all logic, they must have come from outside. Sans smirks - these pills have already seen more of the world than he has.
The Nightmare by UndynetheUndying12
UndynetheUndying12
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This is story is veeeeeeeeeeeeeeeeery short because it's my first one.... Please no hate! I know that Sans's nighmare's are NOT canon so please don't kill me for doing so. Again this is my first story on Wattpad so, erm, yeah.
Who Am I?  by Ink-Glitch
Ink-Glitch
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    Parts 5
So this is what it's like to live in a world where I never existed. Entered in the 2017 Wattys
Random Undertale Headcanons by snowkitten14
snowkitten14
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Random headcanons for the characters from the popular RPG game Undertale. I WAS BORED, OKAY? Highest Rankings: #4 in METTATON
Sick Of It All by TheDepressedSans
TheDepressedSans
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DNI SANCEST/FONCEST SHIPPERS GTFO ~~DISCONTINUED~~ this is gonna be my first actual story,and it'll probably be total garbage,and I won't update very often,and I have no ideas other then who it's about and all that jass,but Imma gonna try ta right a story-and plz help me ;-; But anywhodle,this is a story about Sans. And it's not a happy story either. Sans probably won't be anything like Sans,and the whole thing will most likely be in Sans POV. *sigh* whatever. no going back now! ;-;