While trying to escape Bill Cipher, Dipper and Mabel accidentally trip and fall into a mountain. Little do they know, the mountain is the entrance to the Underground, and they're about to embark on the biggest adventure of their life. (AKA the Undertale Pacifist Route, but Dipper and Mabel are the fallen humans)

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.

"Legend has it, an 'angel' who has seen the surface will descend from above and bring us freedom." Upon Harry Potter's 16th birthday, he finds himself receiving a creature inheritance of such monumental importance, that he may be the key to peace between monsters and humans, purebloods and muggleborns, wizards and muggles. And he had always said he simply wanted to be "just Harry".

Long after the Human-Monster war, the surface fell into a state of total chaos and became an unending nightmare. The eighth human, someone broken and reshaped by that nightmare, is about to enter the Underground, and is bringing far more than a simple stick or dull kitchen knife... Soulsborne Series crossover AU, OC Undead protagonist.

Welcome to the world of Mt. Ebott, a world populated by humans on the Surface, and Monsters in the Underground that were sealed away many years ago by the Humans. Our keyblade wielding adventurers Rick and Chloe find this world the first of many on their adventures, what sort of dangers await them? What sort of friends will they meet? Come along and find out.

Once the monsters and Frisk left the Underground, after the events of the pacifist route they find themselves in Japan next to the small town of Kouh. The group decided they wanted to set up residence in Kouh, Now all they needed to do was greet the locals, Frisk being their ambassador... Turns out they seemed a bit monstrous themselves, well at least some of them.

The Minus Among Minuses And The Cute Loveless Has Taken Quite The Fall Underground (I Own Nothing)

What happens when Fem!Naruto falls in the Underground and stays with everyone's favorite Goat Mom? What changes and what stays the same?

Kris and Noelle fall through an interdimensional rift and find themselves in the world of Undertale. Will this adventure be able to rekindle an old and strained friendship? Or will it drive them further apart? Perhaps they'll find something new between themselves. They'll meet many faces, new and old, as they fight, befriend, and run through the underground to get home.

What would happen if a certain, comedian skeleton was sent to another world after his tragic end? Well, let's just say. It'd be one *Hell* of a time.

Hearts. Or Souls. Whichever term works. Manifestations of one's being. But what would happen if those very Souls. The one's pivotal to the world's, no, MANY world's fates end up vanishing from those worlds? That is up to Sora and his new friends to find out what caused these disappearances and stop whatever trouble is brewing!

THE PROBLEM: I keep coming up with new story ideas that I can't fully commit to a story because of one reason or another, and standard one-shots don't feel right. THE SOLUTION: Break up the story into smaller bits, make it, so the story can be made while I work on others, and write these one-shot bits myself! (What if Papyrus was the shield hero?)

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.

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.

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

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.)

On the verge of death Sans thought that nothing was going to change and that he will have to experience the same hell over and over. This time the respond didn't happen. He didn't wake back up on his post, instead he and Papyrus ended up somewhere completely unknown. A strange place called the Soul Society. What adventures awaits the skeleton bros? and what's a zanpakuto?

Weirdmageddon has a different course, a small change in words causes the death of three members of the Zodiac, Bill Cipher has won, but Dipper refuses to go down without a fight. But what is this other cryptid with human skin? (This is an origin story of one of my original AU Dippers from another of my stories. You do not need to read that one to enjoy this one.)

After a glitched reset, instead of Frisk waking up at the beginning of the ruins per usual, a boy around their age was there instead. And they were now a ghost like Chara. - A sequel to my One shot "Hyperventilation Dance ( 過呼吸ダンス )"!

Michael J. Caboose has seen a lot of weird things, but talking flowers that try to kill him isn't one of those things. But, regardless of who tries to kill whom and who blows up who on accident, Caboose will do his best to befriend every cool monster he comes across! Violence and Language included that is not suitable for f**king losers.

(I do not own the cover) Error is thrown into the a new world, one without monsters, but vampires, and shapeshifters instead.

After being given a second chance to start a new life in a different world, you were transported into Hell. Not exactly the best thing ever. What's made worse is that you accidentally fell into the deepest ring of Hell and now you have to go all the way back up. Well, with your determination, anything is possible! What hijinks will ensue and what friends or foes will be made?

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.

It's Undertale, but with RWBY characters. The Only Way To Go Is Forward