When Gaster finally came home with the milk, he gave Sans a magical Dial Watch that allows him to swap between his separate AU's. Join sans and the Undertale crew to find out what happens in Sans's (Mis)Adventures!

Undertale AU. After countless resets, Frisk resets one last time to save everyone. But that doesn't mean everything is forgotten. Frisk is still haunted by their actions. Eventually, everyone starts remembering things they shouldn't. Actions have consequences. What you do, can't be taken back. Even after resetting.

¿Alguna vez pensaste qué sería de este mundo si las leyendas resultaran ser ciertas? ¿Si las historias transmitidas de generación en generación sobre criaturas desconocidas fueran reales y no simples relatos ficticios? Sin duda, a cualquiera le daría intriga indagar en la veracidad de este asunto. Más aun si vives cerca de uno de los lugares más famosos del mundo.

A human child climbs Mt. Ebott and makes a wish with her soul to live another life, only to fall into the Underground. The human known as Frizk must now learn how to live a life with monsters while also keeping their human identity a secret. A Royal Scientist Princess overworks herself to help make life better for monsters. Will the two be fated to meet?

The power of Determination is a strength that humans have in spades. It's what let you journey through the Underground, it's what kept you going in spite of it all. It's what drove you to try and SAVE Asriel... by any and all means. But what happens when that Determination falters? What happens when Determination rots under the weight of what you've done?

A Multiverse Phenomenon drags Nightmare to a place that should be unreachable. Yet it changes the course of this Multiverse irrevocably.

What if the war never happened the way it did; Monsters enforced a peace back into the land after and now many years later, things take place in a new stadium, in a new life. Frisk in the care of a very motherly Monster, Asriel dealing with his father's new less than legal business, All the while juggling an offer he is to give.

This is a sequel to my old story, Integritale, which you will find in my profile. I don't know if this could be considered an AU to the Undertale Universe, since I did add a lot of stuff, but still tried to adhere to the canon as much as possible. In any case, please, enjoy! Any feedback is welcome!

Life is weird, but at the end of the day, we've gotta keep moving forward and all that. Join this unnamed protagonist as they traverse through a familiar land encompassing an unfamiliar sin. Hilarity, tragedy, gijinka/anthro (humanized), and various pop culture references will ensue. Rated M for lemons, language, and puns. Adopted from the OG theirself, Mushroomstoryperson.

A tale of how the Nostalgia Critic ate Asriel, and then ate the entire world of monsters that is Undertale.

"Long ago, two races ruled over Earth: Humans and Monsters." One race feared for their strong souls, the other for their magic, and the mages caught between them feared for both. All silently knew that war would be inevitable. The only thing that mattered was surviving it. One crimson mage understands that well, and is determined to keep herself and those she cares for alive.

Silver and Gold have been raised in a lab as the last human-monster hybrids on earth, and the Underground's ultimate weapons. They plan to escape. But when Silver loses her sister to the hands of Dr. -, how will she survive?

Pues ciertamente, en alguna línea temporal, los monstruos debieron obtener las siete almas que tanto anhelaban. Pero ¿a qué costo?

Frisk había bailado con todos, había vencido a todos... Pero entonces vinieron los susurros. Los ojos. La voz que decía que aún faltaba uno. Mientras todo se repetiría otra vez, entendió algo demasiado tarde: Había sido hipnotizado por las luces. Y esta noche, volvería a caer.

After Frisk's father died when she was eleven and her mother became heartbroken Frisk swore she would never fall in love... until she meets a very punny skeleton named Sans.

Papyrus is ready to start his first day as a royal sentry, but life has a way of upending plans. After messing with his brother's time machine, Papyrus finds himself 10 years in the future, and what a terrible future it is! [Horrortale AU]

December 25, 2015 Mysterious black briars destroyed the whole of Ebott. Every inhabitant was lost except for a pair of brothers. Not long after, a tragedy claimed the younger one. Since then, the sole survivor did everything he could to prevent the calamity from spreading further.

Sans tries to use a new strategy to save his world from the being that is trying to wipe out all of monsterkind. This backfires tremendously when a human from the real world (that doesn't even know about Undertale) gets transported into his universe. Will this result in friendship, a game of cat and mouse…or the absolute?

Short stories set in the VOXISTALE universe.

Daniel es un chico de 20 años con un gran apego a su cariñosa madre, pero ella contrae una peligrosa enfermedad que le costaría su vida, para poder curarla necesita un ingrediente muy especial. Flores Doradas, Daniel debe partir al Monte Ebott pero caería en un agujero que lo lleva a conocer un nuevo mundo y a una bella mujer cabra, del cual el se enamora perdidamente.

This is a retelling of the first fanfiction I created. I hope you all enjoy it. Also, Frisk and Chara are still both females in this fanfic. Let me know what you think.

I promise y'all that I will do this rewrite instead of being lazy.

{Undertale Au} Lust Sans, Swap Sans, Error, Nightmare, Dream, Ink, Horror Sans, Killer, Fresh, Cross, Epic and others. School years are accompanied by big changes in life. A lot of excitement, fears and at the same time not a few joyful and atmospheric moments. What joys and experiences will the skeletons have in their last year of study? How will they interact with each other and

Eran las primeras vacaciones que se tomaba. Sans pensó que serian relativamente tranquilas, claro, si se ignoraba los gritos de su hermano, Papyrus, y el enamoramiento de este con Frisk; la molesta y deportista Undyne, intentando que se levantase del sofá y moviese el esqueleto; además de la familia Dreemurr, conocia a Toriel, pero sus hijos eran otra cosa. [Chara x Sans] Resubido

For Monsterkind, the Surface represented freedom. For Frisk, it's a return to some uncomfortable realities. It all began with a simple wish. When that wish faded, Frisk tried to move on. Except, 'moving on' was not so simple. Emerging from the Underground had put them in a worldwide spotlight. From an unknown child, they had become an icon of great value.