It was any other day in Gensokyo, the land of fantasy. That is until a mysterious child appeared, falling from a great height and injuring themself. Reimu, the Maiden of the Hakurei Shrine, took the child in to heal them. Frisk, now part of this new world, seeks to explore it. Both don't know that this appearance will lead to an upheaval of Gensokyo's powers.

Adrian Shephard, an HECU Corporal shipped off to Black Mesa, manages to somehow escape the hellish facility despite everything and, after being 'detained' by the ever-so elusive G-Man, is assigned a mission... to the UNDERGROUND! Accompanied by Chara Dreemurr, the first fallen human turned apparition, they venture through for a very specific goal... but is that all there is to it?

A simple question arose one day. What happens if some fandoms and their events take place in the same universe, on the same planet and in the same world, while somehow intersecting with each other? Now with this answer I want to share with you. It all started with a kind fairy tale, telling about friendship and kindness, and a family where there is a child who owns a power...

The Underground had seen an incalculable number of resets. Frisk, Sans and Flowey are tired of each reset, but in one reset, two new people fall into the Underground. Will these two break the cycle or will they become a part of it? Spoilers for Undertale and Fnaf Security Breach

Waking up on a strange mountain with no memory would have been enough for Percy. Falling down a giant hole and meeting strange monsters that don't know about demigods? Even worse. Now he has a new quest: make it out. Join Percy as he encounters strange friends and deadly enemies, all while questioning if he really is the hero. Takes place in the months before the Son of Neptune.

"When you wanted a rest," "Say my name that I sent,""Cause I give both of you a live," "In a different form and difference time,""That had your name & power in your original life,""And a stable body and healthy life.""But I will warn you my friend," "Caused people out their want your power, and your love one.""Especially"someone"will like you the moment you step into your new life.

Before sans can meet the human, he saw a box in the dump that contains of the "Fenton" blueprints of the portal that leads to the "GhostZone" and a example of ectoplasm. He used the items to make a portal to the void instead of leading to the "Ghost Zone", but their is a major problem that happens to that part.

Frisk succeeded in freeing the Underground from the Barrier, and all is freed back to Tamriel... too much they see is wrecked with strife from the Thalmor, and now a Dragon Menace. Teamed up with Jin, a former Soldier of the Imperial Empire, and the fated Dragonborn, they all travel to stop the Dragon Meance, and the Thalmor in a unlikely alliance. (Pairings Undecided)

As Terra itself is burning, and the end of the galaxy is at and end, the Emperor's final contingency is activated by the Shadowkeepers when they open the pod of subject XI. Only one choice remains now RESET. I post on here and on another site called Webnovel and Clover is the XI Primarch.

Compa and Iffy were discovering a new mountain called mount Ebbot but they wind up falling into the cavern where the monsters reside. Would they have to fight to get free, or are these monsters not like the ones in Gamindustri? Will the folks in Gamindustri try to save them? Is there a dark secret in these Caverns? Will the two girls know what to do when the time comes?

after opening up a mysterious book she found in her bookshelf, Toriel is transported to a new world and she will have to protect it from the threat of the Waves, follow Toriel as she and the other three heroes make bonds and rivalries while adventuring (On hiatus as I consider Rewriting previous chapters)

Sans has gotten himself stuck in the void between worlds in a successful attempt to stop the resets of his timeline. He's not sure how long he's been chillin' alone there, but eventually a chance at escape stumbles his way in from the Veil of Death. His name?—Sirius Black. (no pairings)

Finally finding an escape from the world of Don't Starve, Wilson finds himself in a world unfamilliar from the one he knew before. He isn't alone, though, Frisk and the monsters he calls his family will be there. Somehow... Wilson P. Higgsbury knows this won't be as easy as keeping himself alive in his old prison.

Iris es una dron con poderes de un asesino completamente loco (cosa que indirectamente la vuelve una variante) y sin saberlo esto la llevará a enfrentar a seres con poderes similares a los de ella que tratarán matarla, junto a sus amigos deberá detenerlos para evitar que su universo sea eliminado por un loco corrupto

Naruto Uzumaki's life is no joke—unless you count the skeleton puns. With soul-bending powers, a glowing blue eye, and a flair for skipping steps, he's carving his own path in the shinobi world. But as rivals rise and shadows creep closer, this shortcut-loving ninja will learn that mastering his gifts is anything but a lazy bones endeavor.

In remnant, there are those who fights the endless horde of the Grimm, and those behind the shadows that aid the darkness but their those on both sides that are unique in these groups. They are the reborn, individuals who have a soul that don’t come from remnant, usually with a powerful new semblance and memories to assist them they can change tides for the light and the darkness.

The Fourteenth Doctor finds himself fostering a strange problem child from a parallel universe. Post-Giggle, Post-Genocide, Spoilers.

When Rose Bakugo comes home for a vacation she has a choice to make , will she be able to make the right choice I don't own my hero or Undertale I just own Rose my oc Full credit for the summer goes to my friend Dillon editing is done by him and one other friend of mine.

Luke does the poopy dance!

When Harry is whisked away into UNDERTALE's dimension, what happens when he meets Frisk. What happens when Frisk looks to him for guidance. Will he change the underground for better or worse? Xover Harry Potter and Undertale.

After freeing the monsters from the Underground what's next for young Frisk? Well, there's always the world's most popular trading card game Duel Monsters. With a deck based off of her adventures it's time for the monster ambassador to show everyone what she's made of. Though with dark forces around every corner, she'll need to remember one thing, always stay determined.

Every universe... must have something called a timeline. One universe can have many timelines and are varied; there are also universe that have not many timelines, even none at all. And this time, we will see an example of one unique timeline from the universe called "Bluey's Blues".

Hush my young Dibbuns. I have a story for you. A story of cats and otters. Long ago, upon the mist-kissed shores of a distant island known as Green Isle, two races dwelt, cats and otters. After a great war, all cats were gone from Green Isle. Until one day. . . (A Redwall story loosely inspired by Undertale).

The Shadow Queen from Mario and the thousand year door has appeared to faced down the queen of monsters from the underground Toriel from Undertale. How will it go? well...LET'S GET READY TO ROCK!

What if Frisk went to the world of Fairy Tail?