After Frisk, Sans, Papyrus, and Undyne read a ancient inscription about a earthquake that will cause The Underground to cave-in killing all monsters it's up to them to destroy the monster known as The Gem Keeper to save all monsters from certain doom. [Rated K for Mild Language, and Violence]

There was two brothers Dream and Nightmare, They both took care of the Tree Of Feelings. One Day something terrible happened to the tree. Its up to Dream and his friends to help the tree and return Nightmare to his original self!

Error!Sans has taken Underswap Sans, and so Papyrus has brought Undertale Sans to his universe to help him save his brother. Now the two of them have to gather the other Sans' from the other Universes to save Swap!Sans and stop Error. Will they stop Error before he destroys any more timelines? Will they save Swap!Sans in time? (I'm bad at summaries, it's better than it sounds)

By the fiat of an author, a self insert is thrown into the pits of the Underground. Confused and hurt he learns quickly that nothing is the same as it once was. Friends old and new all live, no humans has yet to fall other than him and two familiar characters. His foreknowledge proven useless, he remains stranded by the results of a long and now ending cycle of RESETS.

This is a story about dreamtale, thought things aren't as you remember seeing as this is an AU. Things are quite different due to one decision seeing as how dreamtale is linked directly to the entire multiverse. Please excuse this meme I dont have anything else. Rated Teen just in case.

Being a Don in this cut throat city was no easy task, it's been too long since Undyne the Undying had a chance to hang out with her best friend. Of course she jumps at the invitation to his home, even if it's just for a meeting with his older brother, himself a Don. It'll be a chance to reminisce and learn the latest news.

It's Mettaton's turn to attend a PTA meeting...

this an super scary story with sans skelton! sans skelton is an skelton who hats frisk becuase frisk killed pap. so what hapen to friks? LES FIND OUT IN THE EVIL STORY OF SANS

Frisk stumbles upon an interesting artifact after they help Grillby get home one rainy night. No pairings.

Sans waits for this to happen, every 'year'...

When Frisk enters the land of the monsters, the UNDERGROUND, it is up to her to decide the fate of monsters and humans. Will she pacify the land? Or tear apart the world at it's seems? It's not easy to stick to doing the right thing unless someone is there backing you up. Will Frisk take the hand of kindness? Or dance the path of the dark? (Fem Frisk)

(Underswap!AU) The day before monsters are set to move to the surface, Papyrus decides to take one more walk around. And a little ghost joins him.

With the barrier broken and monsters making a place for themselves above-ground, there isn't a lot of conflict in the Kingdom of Monsters anymore. The Undyne of the Underfell world just might have to find it elsewhere. ...Like by teaching her alternate self a lesson, maybe. Meanwhile, the Alphyses of both worlds are seeking awkward love. Features Underfell AU and Alphyne ship.

My first FanFiction, Its pretty bad, Chara watches as Frisk kills all the Monsters in the underground, Who wouldn't be angry at the Family killer? They wanted them to feel the pain they did. On going

Using plotgenerator.org.uk, I made some mad-lib type stories that really made me laugh. I hope they make you laugh, too.

He will never forgive you

With sheer determination she would overcome all odds. Becoming her own hero, she will find her purpose in life. Frisk will fight to survive, all in the same time giving mercy. ( vampricdoll. tumblr. com) to Brokentale Frisk, Sans and Papyrus chp.pics. Frisk past Act: chp.1-7 Pacifist Act: chp.8-18 Genocide Act: chp.20-27 The Act of Redemption: chp.28-44 Acting on impulse: chp.45-

They went in brothers and came out fathers.

Sans is a veterinarian working at an aquatic animal rescue and rehabilitation center, though due to their facilities they sometimes end up acting as an ER for monsters of a more watery persuasion. So when a monster rarely seen on the ocean's surface is found injured and insensible, where else would they be taken? Sanscest: Kustard. Mermaid AU

An AU where Frisk and the human souls(and everyone else in the underground, including some au characters) get trapped into a story book. Seven stories are needed to get out. Also there is an OC called Ariel who is the spirit of the book. Based off /s/11074062

Red nunca ha sido bueno para decirle a su hermano no... Parte dos de Esto no es vida.

Red hace énfasis en cada palabra- Puedo hacer que te vengas... La historia es de nilchance, yo sólo la traduje a español. Es una serie que por ahora tiene 24 Historias, Aquí está el original por si lo prefieren leer en inglés: www. / / archiveofourown. org/works /12319578

trigger warning! includes murder and graphic dipictions of gore

Seven Clans controlled the world, ranking within themselves of the purest of magic at the highest rank. The ranks of these classes for the seven clans were lower class, middle class and Higher. Most if not all humans fell under one clan, never more than one however due to unexplained reason you fell under three. Blessed you were the Clan leader's daughter of the Healing clan.

Sans has gone on a murder spry, killing all monsters but one. Toriel. But will he get his chance when the door is finally opened? Will Frisk be able to calm his rage?