DarkerTale (crossover fanfiction)by Sunny
When Chara wakes up one day in a mysterious and completely new world, she has no idea that her fate is already sealed. To return to her own world, she must find seven pu...
Completed
Heaventale [Pucci!reader X Underta...by TheOriginalEmpyrean
A person, which is you. Gets reincarnated into the world of Undertale, with the abilities of The character Enrico Pucci from Jojo's Bizarre Adventure. What will happen...
𝐌𝐘 𝐓𝐎𝐏 𝟓 𝐑𝐄𝐀𝐒𝐎𝐍𝐒 𝐖𝐇...by McDonalds
Can you imagine getting put into a misunderstood character's body? Well that's basically what happened. I'm stuck in Chara's body. And I can't leave it. Because Chara is...
Undertale: A perfect worldby I burned the water
Imagine a world where the player doesn't exist. And that is the exact representation of this AU. No genocide, no eighth human, no player. All the monsters including the...
Your Royal Justice And Mercyby Strawberrii_teaXx
Centuries ago when humans and monsters still shared the surface,every once and a while a being would be born with the ability to judge peoples SOULs. they were referred...
Asriel Dreemurr: The Symbol of Hop...by Nintendo Mha fan
The war has ended. But the heroes have failed. The plan to save Tomura Shigaraki could not have been put into action as Izuku Midoriya was fatally wounded by All For One...
Whose Reality Am I? (Frisk x Male...by sake8971
Y/N wakes up in a void and goes around the multiverse
(Also these powers aren't mine, but I wanted to use them and put my own spin on it, if you know where they're from...
Glitchtale Retakeby OneshotXX2008
This is a reimagining of the story of S1 Glitchtale, but has a psychological horror. It will also be more accurate to the characters and lore of Undertale.
Content Warni...
A Call Answeredby Phoenix_Flame
Asgore had thought they were dead, the seemingly faceless and voiceless soldier that had been fighting with them years ago. Those years had passed by rather quickly, the...
Into The Underverseby Purple
Y/N wasn't anyone special. With 21 years under her belt, she went through life like anyone else.
Until she was picked out from the rest.
Read your way through the Underv...
Whatever It Takes (A story based o...by Franco Vila
The underground was quiet, as usual, when suddenly, in the ruins, a human falls.
He is the ¿second? to fall, but it is not what we expect... his name is Sera, and he ha...
A Underfell skeleton brothers storyby UbaLala9
Still working on title, this will contain vore, don't like, don't read
Betrayed Judgement [REMASTERED] (F...by Trait of confusion
BF and GF were searching for an opponent to rap battle with (the usual. . .) and they stumbled into a hole. As they were trying to teleport away, they accidentally telep...
Completed
Metal Bonesby Strawberrii_teaXx
Sans knew he wasn't like them...
he was never one of their kind in the first place. Just an imposter.
It was only time until his past came to bite him and they found o...
Fallen Children, Fell Familyby UbaLala9
(Underfell) Sans finds Frisk with her soul shattered. He ends up reviving her as a skeleton. Then he revives Chara and the other fallen humans as skeletons
Skeleton Serpentsby UbaLala9
In a zoo in Ebott lives three juvenile lamia. Now,, the keepers have decided to bring in more lamias. What will happen?
My Guardian Angel [Chara x Reader]by Ghosty o~o
Gods can't die... Right?
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Seeds of calamity have been sown for millennia. Although they've shown to stay dormant, eventually they will grow. As centuries pass, each and...
Charataleby Michael Flores
What if Chara didn't hate humanity? How would that have affected the path everyone was on? Read this book to find out.
Despair - Undertale x Male reader by .
(Cover by Hetiru on Deviant Art.)
Several years after Monsters returned to the surface, this story follows Y/N, a quiet and reserved highschool student just trying his b...