What if there wasn't AUs but instead they were all personalities in Sans's multiple personality disorder? Well that is the reality Papyrus and the others are currently living in though they've gotten used to it. With the arrival of Frisk some things may change for all of them. Could she be the key to figuring out how to help Sans? Or will that be the surface? Rated M for themes

Cette fanfic ce déroule dans l'AU d'Undertale "Disbilief Papyrus". Au cours du combat à Snowdin entre le protagoniste et Papyrus, Sans s'interpose et prend le coup mortel à la place de son frère. Il se téléporte avec son frère ailleurs et meurs dans ses bras, par la suite Papyrus ne réapparaitra pas jusqu'à ce que le protagoniste ne sorte de l'Underground, l'appelant à la fin...

10 years after the barrier was broken, 1 year after the first attempt at peace talks, there is a young woman who is willing to sacrifice her quiet life after 10 years of remaining in the night world of humanity to make sure things go peacefully. However, where there is Light, there is always Darkness.

"You know, normally, I like to resolve things peacefully. Yet, I got a hunch that ain't gonna work for ya. So, prepare for some supreme justice." Frisk finishes their genocide. Sans, Asgore, Flowey, all of them are killed. However, there's one more opponent Frisk failed to anticipate. A foe even tougher than a true heroin or a comedian. Across from Frisk stands... Clover. (UTY Fic)

Asriel didn't deserve this. To be back, to be nearly himself again, to be able to feel. But it was only because of the souls inside him. When he was about to release them, a voice made him question everything. The human children who died because of the fury he had caused wanted to live. He would right that wrong, no matter what. But bringing them back wasn't as simple as he thought

Littleverse: a multiverse in which most, if not all, of the main characters are children. Small children. Some of which have never had parents to guide them. FMD Ink: a psychopath. What will happen when these two forces meet? Well..a lot of adoption, fluff, and angst, apparently. We do not know how this happened. Go check out Clichély on AO3 and Wattpad!

Во время битвы между Фриск и Омега Флауи происходит некая странная ошибка, в итоге которой... Фриск и Флауи вынуждены не просто объединится, а научится действовать синхронно и слажено, без ссор и ругани, если они хотят выпутаться из их ситуации...

Asriel becomes a Skibidi Toilet!

Frisk. In one universe, they are a child of the surface, falling to the Underground, to save or to kill. But here, a choice made before they are even born ends with them being a child of the Underground. Follow them through their life as they grow and learn, raised by Monsters and become the shining light in a dark world.

Все знают хранителя позитива. С улыбкой и бесконечным альтруизмом. Надолго ли хватит его доброты? Не пойдет ли он по стопам брата в попытках его одолеть?

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.

Han pasado más de diez años desde que Frisk liberó a los Monstruos del subsuelo y revivió a los principes Chara y Asriel Dreemurr. sin embargo nada de eso nos interesa, puesto que hoy Chara y Sans tendran una cita para celebrar su aniversario donde reviviran algunos recuerdos. no esperen mucho en mi primer fic y si no me equivoco es bastante cortito, aun así espero que les guste.

The monsters never ended up in the Underground, thanks to a person who was half-human, half-monster. She and Sans keep watch for those foolish enough to enter the magical forest surrounding Mt. Ebbot. What happens when Frisk and Chara enter those same woods?

Rodrigo, who just began playing Undertale for the very first time, has to find out which way is best as he ends up in the actual Underground. But when a Fallen Child's soul inhabiting Rodrigo's body tries to drive him to violence, will someone help guide him down the right path? Contains spanking, and minor mention of death, you don't have to read if you don't like that.

Six years after the monsters emerged to the surface, Frisk is busy with their life of being their ambassador. After an unexpected tragedy, they're soon battling to not just prevent a civil war, but save every timeline.

What if two humans were in the Underground at once? What if one human was DETERMINED to stop the other? What if they could both SAVE? What happens when an Unstoppable Force meets an Immovable Object? When a certain scientist pulls enough of himself together, he finally finds a way to stop the destruction of his world. (Undertale AU. Rewrite of DT.)

For hundreds of runs, Frisk has been trapped in their own body, watching as Chara and Sans kill everyone they love, unable to do anything. But on the next run, Chara mysteriously vanished. Now Frisk must work to stop Sans from killing everyone and fix things. But can they do it, or will they be stuck in a never-ending nightmare?

For hundreds of runs, Frisk has tried to find a way to save Asriel. After so many failures, she finds hope in the notes of one W.D. Gaster. In order to get what she wants, she must venture to the Void to alter the code of the world. But when she comes back, she will not be the same.

A Remake of "Maybe Love's Not so Bad". After a Year on the surface, Frisk begins to have dreams of a Lost Soul, wanting to leave their imprisonment. Frisk must ultimately make a choice and show the 1st fallen that love's not so bad after all. All's not what it seems on the surface though, shadows rise, and a forgotten past comes to the surface with them.

With a quick use of Sans' magic, we had returned to our home on the surface. The lovely three-story home sat quietly among the trees under the moonlight. Sans always loved to teleport just outside the door and glance at it before walking in. He was a little less lazy since coming to the surface. So much to learn. So much to do. So much to love. SEQUEL TO "TWO WORLDS, TWO SOULS"

"El jugador" ha muerto... Y ahora todos quieren JUGAR. En la peligrosa Ebott City, radica una constante inconformidad por habitar monstruos y humanos en un mismo lugar., desatándose conflictos delictivos que atentan con la vida de los habitantes. Sin importarle las advertencias de su madre, Frisk decide ir a la ciudad y tener su florería junto con su compañero y mejor amigo Flowey

Chara was about to buy something from the convenience store. As she was going there, she randomly sees a familiar blue hoodie in front of the store. A Sans X Chara Fanfiction.

After doing everything the right way in the first timeline, Frisk was compelled to do the genocide route for what they felt were "good" reasons. In doing so, they have broken utterly and become something new. Something absolutely devoted to Sans, and not remotely sane. Now they are striving to fix everything and find their path forward. What the hell is Sans supposed to do now?

after the sixth human died, Toriel couldn't endure watching another child fall just to meet their demise, so she asks sans to seal the entrance to the underground. stopping Frisk's arrival, the "system" glitches and tries to find a new host, the closest one he has is the judge of the underground: Sans the skeleton

After Toriel, the caretaker of the ruins, suddenly finds herself in a mysterious underground laboratory she discovers a refrigerator full of unlabeled beakers and test tubes and foolishly drinks one starting a chain of weird transformations. This story is based on the potions scene from Scooby-Doo 2 monsters unleashed