Gasterblastersans Stories

26 Stories

Hiding in Sight (Sans and Papyrus GB Story) by SpiritWolfNura
#1
Hiding in Sight (Sans and Papyrus...by Kyran Wolfe
Dr. Gaster made 1-S and 2-P to break the barrier and start a war. When he disappeared, they were scared, confused, alone. They broke out of their prison and Grillby rais...
Gaster Blaster Sans transformation comics and pics by YeeSans
#2
Gaster Blaster Sans transformation...by YeeSans
Mostly just pictures and some comics on Gaster Blaster Sans transforming or being a Blaster beast already. I do not own any artwork or au's shown in this book. Hope you...
Gaster Blaster Sans X Reader by GraceTheSeaGriff
#3
Gaster Blaster Sans X Readerby Gaster Blaster Gaster Sans
The barrier has been broken for a few years now. Monsters and humans have been living in peace together . . . for the most part. There are rumors about a monster who...
The Return of Gaster (Gaster Blaster Sans) by grubgo
#4
The Return of Gaster (Gaster Blast...by :(
[[UNDERTALE SPOILERS!!]] After frisk had done the pacifist run many times, something gone wrong... Flowey never showed up in the end. So frisk lived in the underground w...
It's been a BLAST ( g.b sans x g.b reader  by bluethyberreh
#5
It's been a BLAST ( g.b sans x g.b...by ~{•>青<•}~
Your a kid about 15 going to be 16 soon Monsters lived in the surface for one year They go to school jobs and so on like humans But there a legend that there is one b...
Hes not a monster by inksanslove229
#6
Hes not a monsterby inksanslove 229
(UNDER REWRITING!!) this is my first x reader so please be nice you are a werewolf like your pack but you cant change into a wolf fome you have the same strength stamin...
Soriel Gaster Blaster Sans by grubgo
#7
Soriel Gaster Blaster Sansby :(
UNDERTALE SPOILERS! it had been a long time since a human had fallen down. They only needed one more human so they could be free from the underground. Sans were talking...
Goretober 2018- Digital Works + Bonus Stories by SoraTheDutchie
#8
Goretober 2018- Digital Works + Bo...by 💙 ᛗᚨᛗᚨ ᛋᛟᚱᚨ💚
Most of you probably already saw these in my art book, but I really wanted to digitalize these, as well as write stories to go with them. :3 Highest Rankings: # 11 in go...
Moon Light - Undertale fanfiction (FriskXSans-not the main plot tho) by Ombre0
#9
Moon Light - Undertale fanfiction...by Fille DeL'ombre
Intro: The barrier was down. It had already been four week. Most of the humans were not pleased with the monster arrival, but since Mont Ebbot was a bit far from the c...
::GB blueberry:: Unexpected Turn by llamalovers123
#10
::GB blueberry:: Unexpected Turnby llamalovers123
[COMPLETE/PLUS EPILOGUE] Blue has always been the happiest and the most kindest to everyone, barely ever frowns at all. However after having a werid dream about a huge...
The Lady In Green (ocxundertale) by PastaGod_Italy
#11
The Lady In Green (ocxundertale)by Pasta_Birb
Have you ever wondered that out of the thousands of humans during the human and monster war that not even one sympathized with the monsters? I bet you do, for I certainl...
Gaster Blaster Sans Pictures and Others by Iaclagg1
#12
Gaster Blaster Sans Pictures and O...by The Pickle Gamer
Basically what it says in the description... Just some pictures of Feraltale and BB Trust Au. Also some other pictures such as Temmie, Doomfanger, and The Annoying Dog...
Gaster Blaster Sans by rcwiggins
#13
Gaster Blaster Sansby rcwiggins123
What is wrong with Sans, and who is Gaster? This is such a reused Description. Undertale belongs to Toby Fox.
you're not a freak. (gasterblaster!sans x reader) by username5032
#16
you're not a freak. (gasterblaster...by username5032
The monsters were released from the underground by frisk 6 months ago. you go to a school that accepts both monsters and humans. you get bullied a lot, but you never let...
Ask: Gaster Blaster Sans  by GraceTheSeaGriff
#17
Ask: Gaster Blaster Sans by Gaster Blaster Gaster Sans
Status: OPEN Since I am working on a back story for Gaster Blaster Sans, I decided to open a little Ask thing. I'm also working on an X Reader: https://www.wattpad.com/s...
When The Blue Moon Sings by SansyG12
#18
When The Blue Moon Singsby SansyG12
This is a story about pain, trust, struggle and bonding. It follows the characters of Toby Fox's game UNDERTALE. It also introduces new characters. There is a new prop...
A Hope Amoung Monsters  by chaoticnerd13
#19
A Hope Amoung Monsters by chaoticnerd13
many years after the war between humans and monsters, humans lived peacfully without the threat of soul absorbing monsters, however the peace lasted only a short while a...