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 Purge is among us. It can happen at night, through a fog, heck, even during the day time. When it comes to the Bikini Bottom, in the purge, no one can hear you scream. (SpongeBob x Purge x Undertale)

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.

After the Warden's intervention in the primary timeline, a once-lost branch, mysteriously erased from existence, reemerges, hanging precariously on the edge of oblivion. In its delicate state, it reveals long-concealed events, unveiling mysteries that predate the main storyline.

Mt Abott suddenly appears out of nowhere and Cuphead, dragging Mugman along, runs to the mountain to investigate. Soon they fall into the chasm and are attacked by the monsters of the underground. As they explore, they discover a tragedy that befell the underground, make friends along the way, and have a bro jolly fun adventure of a lifetime. Cover photo by me.

In a bizarre turn of events, Izuku Midoriya's story of becoming the greatest hero was hijacked by two eccentric bony brothers. The two bros stop at nothing to make stupid jokes and pranks towards the boy while also dragging him into a series of absurd adventures that would make his journey that much more interesting. (I do not own the Cover. Substitute. Image made by Bella61068317)

Oh wow, Sans dropped into another universe, how original... Wait until you see why AU's are by nature an endless well of mess! (Story begin at G.I. 4.2. Update, actual as of 4.3, anything afterwards isn't going to cause rewrites.)

Being Haunted by your past, is surely a terrible thing. You'd wish that you could forget everything. However, forgetting is not an option. You must move forward. If you ever have a chance to save the last remaining shreds of passion that the monsters have. (A Charisk Fanfic) (Male!Chara X Female!Frisk) (Cross post at AO3)

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?

It's been over two years since Frisk fell to the Underground, and was adopted by the Dreemurr family. One of her former foster parents has finally noticed, and come looking for her. Now, if Frisk can't find a way to bring her families together... it might just tear her apart. Book Three of The Underground's Saviour

In a world with Humans, Sorcerers, Monsters, and Cursed Spirits a new story unfolds with familiar characters. A fallen human child faces a hidden underground world of monsters whose existence could change society as a whole, and perhaps... even his destiny.

He is.

What if Frisk went to the world of Fairy Tail?

Remake of my first SOUL Monsters installment! 2 years after releasing Mt. Ebott from the barrier, Frisk wins a contest hosted by Kaiba Corp. to gain tuition at Duel Academy. What awaits her are new friends, new rivals, and perhaps even some love while dealing with two shadowy groups known as the Shadow Riders, and Gastly Shadows for the Sacred Beasts. FemFrisk. FriskxChazz

They just wanted to be themselves. Their parents didn't listen. They didn't understand. When their parents wanted to send them to a conversion camp, they decided it was time to run away. After an incident in the nearest national park, they find themselves in world of monsters and magic. Then, along their journey, they make friends and find themselves too.

Three Observers from another Multiverse enter unto this realm, watching the rise and fall of humanity, from their glory days under the Emperor to their inevitable devouring by the all consuming Tyranid Hives. Seeking to experiment on this reality, Gaster, one of the observers, interferes with the flow of time and space, both in Real Space and even in the Warp, to change fate.

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.

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

What if Frisk from Undertale went to the world of One Piece? See what happens as Frisk goes on a new adventure!

A story about me in the Fantasy World

The evil Luke from Street Fighter 6 sings an evil song about how evil he is!

Jaune Arc climbed a mountain outside his home village. He fell into the famed mountain. Now he needs to find a way out. But things are rarely easy, so he has to take on an odd gauntlet within Mount Ebott. Monsters aren't always Grimm, and not always bad either. All he can do now... is remained Determined.

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

"This was never meant to happen, you should have just brought them back." Player said as he went to delete her , but then something caught his eye. The Monika lover smiled as he looked at the Heart. "Maybe you can still learn." He moved her file over to UNDERTALE and opened it's files. He was finding a spot to put her, hovering over Frisk's. Then the lightning struck them..

Frisk Dreemur & Shinji Ikari...What happens if a girl who wants a different ending meets a boy who doesn't believe in humanity? This unforeseen outcome gives them both a second chance. Will they succeed, or are they doomed by their fate? Shinji X Frisk X Asuka X Rei