
#1
Our Penby R3myR3ad3r
You're the Ink of your multiverse, and you don't even know it.
Well, until you meet the Ink of another, along with Error.
-NOTES-
I made the cover! This obviously isn't...
Completed

#2
Mama Nootmare (A fanfic with the b...by Ancient Failure
A fanfic/story of Nightmare and children bad guys!
All of the bad guys are children excluding Nightmare and Error. This is a story of Nightmare being a parent. I am ter...
Completed

#3
An Interesting Reincarnation (Read...by AliceParadoxi
You wake up, finding yourself standing in a desolate grassy field, only the green grass had withered and died, leaving behind a dry, lifeless expanse. Above, the sky was...

#4
Nightmare's little brother. (REMAK...by JUST Mars!
~ Dream was born 21 years after Nightmare was. Right after he was born, he was already titled as the 'Guardian of Positivity'. Quite too young for a child like him. But...

#5
Out-Code Spawns in a different Mul...by adamabyss12
There are 2 different multiverses that are next to each other. One that is made simply of Code and Data, being made by the Game Creators, used for entertainment by the P...
Completed

#6
Threads of Balance by Moonlight_Malaysia
A young person wakes up in the endless Void, transported into the glitching, destructive body of Error Sans. With the power to erase entire timelines at a flick of his s...
Completed

#7
Reincarnated as Dream with Differe...by Zennia
(Discontinued)
A random teenager dies, and no they don't get hit by the Isekai truck unfortunately. The 'driver' couldn't make it on time. This teenager wasn't really r...

#8
My Anomaly (An Error Sans X Reader...by Nightmare
When your sibling Chara goes missing you fear the worst, but life takes a surprising turn for the better when they release the monsters trapped underground. Living this...

#9
Killed it! {Reincarnated as A Kill...by DaCoolest
⪼Beaten up and betrayed, {Name} dies an unfair death because of their best friend. Having their life and their brothers whisked away in a flash.
≫They find that they inh...

#10
In this world, it is Consume...or...by adamabyss12
The Underground...once the home of the race of Monsters, now having turned into an infectious wasteland of starving-infected beasts, with the monsters horribly twisted a...
Completed

#11
~ Sans AUs x Reader OneShots ~by 🥑🐉
(Book gets better with each OneShot-)
Requests are (Closed ❌), Thank you!
I've started this when I was in 8th grade, because I've seen a few x Reader books and was like...

#12
He Came to Stay (Blue x Bad Guys)by EmberAshTheFaithful
Living on a steady diet of caffeine, sugar, and sheer will is not a healthy lifestyle. But how else can you keep up with teammates that need no sleep, no food, and who e...

#13
Naturetale : reborn as lavender by Karma Akabane
(As far as I know, no one has made a story about naturetale like this so..and the only reason why I writing one like this is because of fatal error part 5? Or part 4, go...

#14
Horror's of the Multiverse (Being...by UnderTaleHyperFixed
Someone dies and is Reborn as Sans. Not just any normal Sans like they assume as first, but a HORROR Sans. As if dealing with Gaster when they were young wasn't enough...
Completed

#15
New Purpose (US!Papyrus x Female!R...by ~Oreo~
Y/N, meets a new coworker that changes her life forever. A monster, doing his best to make a living after moving out of the underground. Sans is this ecstatic, cheerful...
Completed

#16
Reincarnated as Lust Sansby Corrupt_Blossoms
Hello! I haven't seen anybody make this so I decided to be the first! And no I don't own this universe nor Undertale -w- I may not be consistent or even post for months...

#17
Perspectiveby Off-Track
Try seeing things from another point of view...
Fresh wants to feed off of a long lasting host, he wants to exist longer. How will he do this and how will he survive? On...
Completed

#18
As ready as I can be since I'm dus...by Karma Akabane
(You know how it goes, someone from our world Ends up dead and becomes dust sans..but somehow pregangt, different things, different personalities etc

#19
Darkness Is Nicer Than It Seems (N...by Lollipopswirl99
(Y/N) had a regular life. A normal job, home, everything. Sure she had her own problems like insomnia, nightmares, and no friends but that wasn't anything to special.
T...

#20
Jaune Errorby Core Jaune
Jaune Arc this man always wanted to be a hero like his ancestors but fate decided to mock the blond knight Jaune saved Cardin Winchester from the Ursa Major but Cardin d...
Completed