![Royal Blue by dealialestina](https://img.wattpad.com/cover/78252389-512-k412978.jpg)
#1
Royal Blueby Spilled-my-coffee
Sans knows a lot about secrets; he hides many.
But when old burdens emerge from the darkness, secrets, new and old, put his brother in danger; and what else can a good b...
![I Am Myself (Frans) by NotAngyMore_76](https://img.wattpad.com/cover/207003731-512-k36797.jpg)
#2
I Am Myself (Frans)by NotAngyMore_76
[COMPLETED]
[COMMISIONS OPEN!]
Frisk is broken and unstable. Their mind was overtaken by Chara and now they never know when will Chara reach out to hurt Frisk's friends...
Completed
![Money, Jokes, and War (Sans x Reader) by awkward_casey](https://img.wattpad.com/cover/225528108-512-k777022.jpg)
#3
Money, Jokes, and War (Sans x Read...by no<3
A young girl, Y/N, has one of the rarest soul types- -empathy. She can feel when people are having a bad day which leads her into meeting two skeletons. While one quickl...
![Ask or dare undertale Au's (COMPLETE) by Bizzarecrystal](https://img.wattpad.com/cover/133501991-512-k554435.jpg)
#4
Ask or dare undertale Au's (COMPLE...by Bizzare Crystal
ships
sans X frisk
papyrus x Mettaton
Undyne x Alphys
Toriel x Asgore
Asriel x Chara
you can also ask Flowey, Nastablook, Temmie And myself if you want
Completed
![Undertale oneshots (Requests Open) by yes_rywn_reads](https://img.wattpad.com/cover/385703921-512-k794428.jpg)
#5
Undertale oneshots (Requests Open)by rywn_writes?
why. why did i do this to myself?
No weird requests streak: 5 chapters
![Undertale & Deltarune Oneshots by HellsomeGoose](https://img.wattpad.com/cover/332371973-512-k124993.jpg)
#6
Undertale & Deltarune Oneshotsby Grimm
《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
![[[DISCONTINUED]] Ask/Dare Undertale by twwiinArmeggedons](https://img.wattpad.com/cover/58846972-512-k754180.jpg)
#7
[[DISCONTINUED]] Ask/Dare Undertaleby Back On My Bullshit
I'm bored as fuck, so this is a thing.
Ask any characters, from Frisk to Aaron. Main characters, side characters, etc. Anyone in Undertale(except Gaster because I'm not...
![Undertale Reacts by Queenlight289](https://img.wattpad.com/cover/252039876-512-k501173.jpg)
#8
Undertale Reactsby -ThaliaNyx 298-
Just Undertale reacting to memes, AUs, other timelines and the resets (Genocide)
Got any requests, just ask!
![All I want for Christmas by Mipiou](https://img.wattpad.com/cover/130484000-512-k129680.jpg)
#9
All I want for Christmasby Mipiou
Our beloved Monsters live at the surface for almost a year now. As Christmas time begins, they are all overwhelmed by the festivity and happiness this time of the year...
Completed
![From Darkness, Love Came Through by FinleyLivesInTheVoid](https://img.wattpad.com/cover/323666599-512-k88003.jpg)
#10
From Darkness, Love Came Throughby Finley
A long KingDings fic because this ship does not get the attention I think it deserves. I love this ship, and it's adorable. I plan on making this a full story, so buckle...
Completed
![GemTale - A Steven Universe and Undertale Crossover AU! by igottadorito](https://img.wattpad.com/cover/86101458-512-k339244.jpg)
#11
GemTale - A Steven Universe and Un...by igottadorito
Hey! This story ends suddenly and with no closure. If you'd like to continue it yourself, feel free! tag me in it+ credit! i'd love to see it :3. I stopped it because th...
Completed
![Metallic Bones (Papyton) by EthanClements](https://img.wattpad.com/cover/180754873-512-k786325.jpg)
#12
Metallic Bones (Papyton)by To GlamToGiveADamn
Papyton. Yeet. I'll think of something better to put here.
![Five Places Sans Most Definitely Should NOT Be Sleeping (An Undertale Fanfic) by Doctor_Discord](https://img.wattpad.com/cover/160573529-512-k850213.jpg)
#13
Five Places Sans Most Definitely S...by Doctor_Discord
Sans falls asleep in some pretty spectacularly weird and inappropriate places. This is just a small collection of those places, from tame spots like the middle of the do...
Completed
![Undertale: Baby Saga by RosieGeee](https://img.wattpad.com/cover/135631750-512-k164612.jpg)
#14
Undertale: Baby Sagaby RosieGeee
I will be doing at least three undertale fan couples, starting with Mettaton and Papyrus, then Sans and Grillby, and finally Alphys and Undyne. Enjoy.
Completed
![Our Passion For You (Completed) by ChibiEnvyMtt](https://img.wattpad.com/cover/141140823-512-k409755.jpg)
#15
Our Passion For You (Completed)by ChibiEnvyMtt
WARNING! There is sex in this story and is very graphic. Not for anyone under 18! This story contains abuse, rape, gangbang, and not so light topics. Read at your own ri...
![DICONTINUED | Undertale One Shots by CharaDreamer55](https://img.wattpad.com/cover/80330413-512-k480934.jpg)
#16
DICONTINUED | Undertale One Shotsby CD55
Highest Rank: 3rd in #undertaleoneshots
Art by me uwu
Also check out my Impact x Reader on my backup account @CD55-Number2
A book full of me shipping the reader with Un...
![Star cross lovers (PapyrusxMettaton) by cringelorde6](https://img.wattpad.com/cover/76490520-512-k964898.jpg)
#17
Star cross lovers (PapyrusxMettato...by Jo W.
In this story Mettaton is a girl. Idk why, I just feel like it. Papyrus and Mettaton both have feeling but they don't know it yet. I want to know what ideas you have for...
Completed
![We Will Be Here For Eachother DISCONTINUED by smolio_but_tolio](https://img.wattpad.com/cover/67827444-512-k59109.jpg)
#18
We Will Be Here For Eachother DISC...by How did I become Klance trash
Well, my first fan fiction. And decided it will be papyton
*Alphys wanted revenge on mettaton for revealing her crush was Undyne , so she wrote down a question down and...
Completed
![Hero (Yandere!Papyrus x Mettaton) [DISCONTINUED] by AnonymousPuzzler95](https://img.wattpad.com/cover/106274057-512-k621759.jpg)
#19
Hero (Yandere!Papyrus x Mettaton)...by Jonathan
[DISCONTINUED] In the Underground, monsters are nameless to those who don't know them. But, for a certain monster, everyone knew them. That monster was a robot named Met...