Undertale Stories

1.2K Stories

♡𝑆𝑡𝑢𝑏𝑏𝑜𝑟𝑛♡ (Delta Rune: Susie X Reader) by fufuvie
#1
♡𝑆𝑡𝑢𝑏𝑏𝑜𝑟𝑛♡ (Delta Rune: Su...by ༻♡︎𝑪𝒉𝒂𝒐𝒕𝒊𝒄♡︎༺
「She's in solitude」 「She's impecunious」 「She's in neediness」 「She's ashamed」 ♡Can they cure their wants and needs?♡ #1 on videogame #1 on Deltarune #1 on susie #23 on un...
Mr.  Erratum by CrimsonOrRetry
#2
Mr. Erratumby Crimson/Retry
Error can take it no longer. After centuries of Pain and suffering, Error no longer cares what happens to the people who caused him pain, and now wants to leave the plac...
Can I Stay? (Underswap!Sans × Reader) by Fruityyloopz
#3
Can I Stay? (Underswap!Sans × Read...by Justmonika
[Prolong] My name is (Y/N). I have experienced many resets, so many I have lost count. The only people who remember are Sans, Flowey, and me. The monsters down here are...
"I know. . .  Im alone." (Error x who ever the heck I want.) by ican_english
#4
"I know. . . Im alone." (Error x...by Frick.
Error gets a small break due to Ink not creating for a day or too. but on the other hand, Ink has noticed something. he noticed that when he stopped creating, Error woul...
Fallen Angel (Gaster x reader) by Feniksiara
#5
Fallen Angel (Gaster x reader)by Big Simp
DISCLAIMER: The god figure created in this fanfic is purely fictional. He is purposefully made to be prideful and cruel and is not supposed to represent any god. I am re...
Completed
Orange Heart [US!Papyrus x Male!Reader] by allalalalaa
#6
Orange Heart [US!Papyrus x Male!Re...by allalalalaa
Running away from the past, you accidentally fell down a hole. Now you're in a whole new world where monsters exist. Being the only human, you do your best to survive. T...
Completed
Filled with DEPRESSION. (Male Reader x undertale story) by otaku_gamer_writer
#7
Filled with DEPRESSION. (Male Read...by typical otaku writer.
Something I've been thinking about making for a while now. I hope you guys can enjoy it! (Warning! Themes of suicide and depression are in here as well! If any of that b...
Bone of Contention (Underswap Papyrus X Reader) by TheIndianaCrew
#8
Bone of Contention (Underswap Papy...by Indiana
Humanity is divided over one thing, the monsters reappearance. Some believe they should stay aboveground and others think they should be sent back where they came from...
Sapphire Judge (Undertale x BNHA Crossover) by Corpsetalia-fan
#9
Sapphire Judge (Undertale x BNHA C...by ZibijilPtelemiu
Sans world gets reset and he finds himself transformed into a human girl in a world of heroes and crime. She, however, is all alone, her friends and brother all lost to...
Save Point (Sans x Reader) by JuniperJoy101
#10
Save Point (Sans x Reader)by 🍑 Peachy 🍑
(Sans × Gender-Neutral! Parent! Reader || Slow Burn) Moving from a backwater town to a city bustling with human and monsterfolk alike, some things begin to change both f...
Feelings Are Overrated ~Killer X Nightmare~ by OreoCookie1129
#11
Feelings Are Overrated ~Killer X N...by OreoCookie
In order to be seen as not soft Nightmare buries his feelings down deeper than his soul. What will happen when those feelings start to rise to the surface. Will there be...
Kitten (Sans X Neko!Reader) by ShadowGirl1996
#12
Kitten (Sans X Neko!Reader)by ShadowGirl1996
"Your human right?" "No. I would never want to be like them." "But your not a monster?" "Like I said...I'm not a human or monster. I'm...
Completed
Last Chance For Redemption (Chara x Male Reader) by alguemimportante100
#13
Last Chance For Redemption (Chara...by alguemimportante100
After commencing the neutral genocide path, "(Y/N) (L/N)" regrets slaying all the monsters and decides to start again, with a new objective in mind: Free all m...
Darken the World (Malereader x BNHA) [COMPLETE] by Lightdorus
#14
Darken the World (Malereader x BNH...by LOGGED OUT
Because of your "Quirk" and your Appearance, You've been Ostracized your entire life. Even your own family didn't like you, But when you encounter someone whos...
Simply Broken; An Forced God Of Destruction Story; by WeebSpoken
#15
Simply Broken; An Forced God Of De...by PurplePerv
I Hope You Enjoy My Version Of This Idea! This Was Originally From The Writer Harrish6 Any way On To The Description Everyone was a judge in the Multiverse. They all ju...
Completed
Learn to smile again by EclipsedSkies
#16
Learn to smile againby Eclipsed Skies
Nightmare was tired. Tired of being treated poorly, tired of being called the "bad twin", Tired of how his own twin never seemed to notice his suffering. He co...
(ՏᗩᑎՏ ᗩᑌ x READER x ᑭᗩᑭYᖇᑌՏ ᗩᑌ)  A Skele-ton Of Harem by YourdailyMOONBERRY
#17
(ՏᗩᑎՏ ᗩᑌ x READER x ᑭᗩᑭYᖇᑌՏ ᗩᑌ) A...by your daily MOON BERRY
You are a introvert who loves undertale and multiverse and loves to play video games and listin to music. What will happen if one day you meet the skele-bros of differ...
Completed
Fallen Angel ~Undertale multiverse Vs Reader~ by S1MP-NonBinary
#18
Fallen Angel ~Undertale multiverse...by RienTheSimp
Y/n was half human and half bird. She had a dark tone of s/c due to her 'disease'. Raven wings was a part of this 'disease', along with interesting eye colors. This caus...
Remade as a Sans/☝︎♋︎❍︎♏︎❒︎ by Truenote
#19
Remade as a Sans/☝︎♋︎❍︎♏︎❒︎by Truenote
Matt was a regular person who is a big fan of Undertale and it's fangames. One day he dies because of a person accidently knocking him off a mountain while he was hiki...
Error's New Family by lostabandonedsoul
#20
Error's New Familyby totes doesn't want to be in m...
Error was badly injured in a fight against Ink and Dream. In his attempt to escape, he falls through a portal to Undertale just as the world is about the reset. The uni...