
#1
A Skeleton's Hope (Undertale AU's...by Dead
Sans and Papyrus were your best friends until randomly they just cut off all contact with you. This went for everyone else in your life so it didn't really hurt that muc...
Completed

#2
Becoming A Undertale Multiverseby Aftertale Author~Chan
??? was a fan of undertale heavily but when she suddenly got hit with a truck (because everyone dies from trucks when they get isekaied.)she was expecting to be dead so...

#3
Darkness' Eternal Bride (Gaster x...by everail
WARNING: THIS CONTAINS HIGHLY MATURE CONTENT (BLOOD, VIOLENCE) READ AT YOUR OWN RISK
Money can change a lot of things.
It can even change your destiny.
Plunge yourself i...
Completed

#4
What it Means to Persevere by Kyran Wolfe
You've seen Sans past. So what is Gaster's? What about Grillby's?
Welcome to the Prequel of Forgotten History!
Completed

#5
W. D. Gaster - An Undertale Storyby RandomWriter
It all started when W. D. Gaster became the Royal Scientist of the Underground. Many monsters knew him, some even followed him. But one day, he injected himself with DET...
Completed
![[COMPLETED] Gaster Gang x Reader Oneshots! by Artsyrogue](https://img.wattpad.com/cover/178952513-512-k360099.jpg)
#6
[COMPLETED] Gaster Gang x Reader O...by Artsyrogue
Ok I have never done a oneshot book before -_-
WARNING: VERY SLOW UPDATES
let's get the first thing out of the way-
I don't under any circumstances own:
-The Gaster Gang...
Completed

#7
Meeting Walker Duncan Gasterby Kyran Wolfe
What if when Gaster fell into the C.O.R.E, instead of ending up in the Void, he was transported to a different universe were magic doesn't exist and he is turned into a...
Completed

#9
Undertale: " Abnormalities "by Why_Is_It_Spicy
( 𝙸'𝚖 𝚜𝚝𝚒𝚕𝚕 𝚛𝚎𝚠𝚛𝚒𝚝𝚒𝚗𝚐, 𝚋𝚞𝚝 𝚒𝚝 𝚔𝚒𝚗𝚍𝚊 𝚌𝚘𝚞𝚗𝚝𝚜 𝚊𝚜 𝚊 𝚗𝚎𝚠 𝚜𝚝𝚘𝚛𝚢 𝚗𝚘𝚠. 𝙰𝚗𝚍 𝚘𝚏 𝚌𝚘𝚞𝚛𝚜𝚎, 𝚝𝚑𝚎 𝚝𝚑𝚞𝚖𝚋𝚗𝚊𝚒𝚕 𝚊𝚒𝚗'�...

#10
The War Amongst Us (W.D. Gaster X...by Indie
(Y\N) is a young female spy and soldier fighting in the War of Humans and Monsters. She is fighting on the humans' side of the war until a turn of events when she become...

#11
Gaster Gang Oneshot Book!by Destructo
If you have a request, you can comment or message me! I'll do lemons and fluff, whatever you request.
Gaster Gang goes to Bunnymuse!
Photos not mine unless said!
![Skeleton Pillar (Gaster Gang x KNY!reader) [HIATUS] by Robo-Goat](https://img.wattpad.com/cover/249255380-512-k428909.jpg)
#13
Skeleton Pillar (Gaster Gang x KNY...by Robo-Goat
(Y/N) (L/N), the Skeleton Hashira. Literally.
She was quite the unique Hashira. She was a demon who has been around for nearly 150 years, serving in the Demon Slayer Co...

#14
ever lasting regrets. by Markivist
Y/n. a man who was obsessed with beating the most difficult Undertale fan games, he adored many animations such as satsujinki sans. but what if Y/n was transported into...

#15
Undertrashby Ascardamycte
Compilation d'images , de gifs ou d'énigme sur Undertale qui peuvent être drôle
( IL y A principalement DES énigme sur LES wingdings )

#17
controltaleby solbred
this is the gaster gang and my oc wolf they are in a universe were there is a team of corrupt monsters and humans there is the sirs and mistrusts how are the leader or c...

#19
Dings' Storyby Aurazzy
Everyone knows about the mystery man; the man who speaks in hands. Or more commonly known as W.D Gaster. But no one knows ABOUT him. What his past is, why he's behind th...

#20
"It was Beautiful Outside...by Septiplyierfangirl
Extra Scenes from "It's a Beautiful Day Outside..."
If there's a particular scene you would like to see, let me know and it shall be so.
The unofficial sequel