#1
The Time Before (Undertale)by ANinnyMouse42
367K
20.8K
59
367K20.8K59~o0o~ Book 1 of the "Better Times" trilogy ~o0o~
(Book two: "A Name to Remember")
(Book three: "No One is Happy with This")
There was a tim...
Completed
#2
Undertale & Deltarune Oneshotsby Grimm13.8K24757
13.8K24757《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
#3
Undertale: giving soulby Author-Dayo17.6K78040
17.6K78040This is a story before the last human fell around the time Chara was still alive and well. Humans were not being hunted till the adopted prince's passing, however with a...
Completed
#4
Gaster x Reader- Not Your Faultby Singeroftales107K3.3K13
107K3.3K13You're a human who has fallen down into the underground. There you meet a certain skeletal scientist and his sons. Will you get close to the family or will you become th...
Completed
#5
The Faults in Our Souls ~ Gaster x...by _T3chn0_46.8K1.6K28
46.8K1.6K28"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
#6
Blaze of Nightby Anchestor6.9K24624
6.9K24624The 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...
#7
Meeting WD Gasterby writing noodles6.1K1534
6.1K1534Reader meets WD Gaster. Takes place before the monsters are freed from Underground. Enjoy.
Completed
#8
Starting Overby Kyran Wolfe83122
83122If given the chance, would you start over?
After falling into a timeline where nobody was murdered, his mother never died, and his father was never erased, Sans should b...
#9
Dr. Gaster & Mr. Black (Undertale...by "𝘏𝘰𝘸 𝘥𝘰 𝘺𝘰𝘶 𝘸𝘳𝘪𝘵�...7996416
7996416An Undertale twist on the classic "Jekyll and Hyde" Broadway musical. After having been rescued from the depths of the Void, Dr. Gaster resumes his role as Roy...
Completed
#10
The Return(A Flowerfell Sequel)by Frisk20.9K71214
20.9K712143 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...
#11
In Another Timeby Gale DuPree4.2K1536
4.2K1536Gaster has been shattered, the pieces of his soul scattered across time and space. He is lost to the void, forgotten. The emptiness is menacing, taking any memories and...
#12
Within The Barrier (An UnderTale F...by GuessThatWeeb2.6K23513
2.6K23513Monsters have lost. Surrendered at the hands of the enemy. They've been locked away underground in a cavern system under Mount Ebbot. No sign of getting out. How will th...
#13
Gaster's second chanceby Diamond3343255251
255251Classic 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...
#14
Arista's Multiverse Adventurersby Thefangirlsfan18356
18356Arista is a multiverse traveler just trying to make it back home. Always moving from place to place just to get home.
What happens when an apple doesn't fall far from he...
#15
My little Star (Sans Afton AU) (Hi...by -_Sakura_-10621
10621Welcome 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...
#16
Home sweet homeby Anchestor6721
6721It's Gyftmas, and Gaster decides to combine his renowned engineering skills and his much less impressive baking skills to make Grillby a gift that is truly special.
Sans...
Completed
