#1
The Faults in Our Souls ~ Gaster x...by _T3chn0_
38.2K
1.2K
28
38.2K1.2K28"Do you not want to go back home? To the surface?"
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"No."
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"Why?"
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"Because my home i...
Completed
#2
How To Be A Dad (Undertale Fanfic)by liberated hoe5.7K1677
5.7K1677(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...
#3
Undertale & Deltarune Oneshotsby Grimm8.2K21657
8.2K21657《Requests Closed》
Just a collection of Undertale and Deltarune oneshots, will also include AU's and x reader's
[Disclaimer: I don't own Undertale, Deltarune, or any of t...
Completed
#4
Reborn as Killer Sansby Cosmicstars081.6K1174
1.6K1174A strong and cocky soul is reborn as Killer Sans. Thrust into a strange new life this spoilt soul gets a major reality check before the tourcure begins, death and dust...
#5
The Return(A Flowerfell Sequel)by Frisk20.2K69214
20.2K692143 years had passed since Frisk sacrificed herself to free the monsters.
Now humans and monsters live together on the surface, though some monsters preferred staying in...
#6
The Return of W.D. Gasterby clown921376
921376A fanfiction about two touch starved old men realizing their love for each other
dadster headcanon, orange and blue gaster magic/blood/etc color headcanon (also connecte...
#7
bits of sansby!by Karmic659184
659184oneshots of sans and grillby being mega gay for each other :3
JUDGE ME
I DARE YOU
please read the a/n!
♪('ε｀ )
#8
W.D Gaster and the Great Mistakeby narknork417122
417122Gaster got drunk as hell, now surprise! He's a dad!
#9
Meeting WD Gasterby writing noodles5.9K1514
5.9K1514Reader meets WD Gaster. Takes place before the monsters are freed from Underground. Enjoy.
Completed
#10
Gaster's second chanceby Diamond3343197221
197221Classic sans had hid a very dark secret about his father's disappearance Destiny had intervened her child suffered for so long as had classic gaster so she decided to gi...
#11
Don't have to hideby WDTanukiii439101
439101This is a story created by Thebombdiggity 666 (it can be founded in deviantart and Tumblr) and it's a comic. This is a short story written by coldphoenix that can be fo...
#12
Historyby Star Rose Colors31.3K98533
31.3K98533For years, Aliza has wondered about her real family. Now a clue in an old picture, the only thing left of her mother, finds Aliza climbing Mt. Ebott. In this twisted new...
#13
Blaze of Nightby Anchestor6.8K24624
6.8K24624The sleepy town of Snowdin has some new arrivals: a little family of skeletons. The father, one doctor Gaster, seems to take a keen interest in Grillby. With how allurin...
#14
RebelTaleby CrazyCorbeau4132
4132RebelTale is a new AU created by me,so um,please don't steal also help me with tags cx
#16
My little Star (Sans Afton AU) (Hi...by -_Sakura_-8911
8911Welcome to what has to be the most interesting and chaotic crossover story idea I have ever had.
Sans is an Afton in this, he somehow teleported to the Underground dime...
#17
It's who I am dad!by S·c·a·r·e·d9541
9541This is a funny story about the newly addition of the skeleton family,
#18
-- An Alternative Universe--UnderE...by Ceacilia-Tarifil 3602
3602Once upon a time, lived two princes. One a monster, and one a human. The two children were friends, and enjoyed to play with serious matters, and fragile topics. So one...
#19
gaster as a dad to sans and papyru...by bakudeku2701
2701Here are some cute baby sans and papyrus and there is gaster being a dad to them! ok enjoy this!