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

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

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

Critical point has been reached. BC Freedom no longer could remain in a way it was after Oarai smashed their last attempt at achieving anything in Sensha-do. However, a likely enigmatic source of change happen to come in aid throu accident, causing another ones to follow thanks to very peculiar girl earning an even more peculiar being in her soul...

The many adventures of Mario and Asriel in many worlds and funny places!

A really scary story about Goku, a guy plays a game he found on a CD labeled "Goku.exe." Goku does a lot of evil and scary things to people! Beware of crazy Goku!

(Rewrite of Ulrich's idea) Frisk Dreemurr did the impossible and freed the monsters from their prison under Mt. Ebott. She saved all of monster kind and even went the extra mile to try and bring back Chara and Asriel and succeeded. Now on the Surface the three Dreemurr children have a new goal, becoming three great Entertainment Duelists. Co-Write with Ulrich362

Sequel of "The Hope Reborn". Years after Illaster's defeat the Princeton Family seem to do unfinished business with the Anomaly, and Agate who escaped, and are facing a new threat from the Barians, and the Number cards with allies from Astral World, and Yuma Tsukumo. Co-Written with Ulrich362. SharkxOC, RioxOC, YumaxCathy

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.

To Leave Video Game/Undertale crossover. Thanks to passing his unwanted test, Sans now has information he shouldn't be possessing. And the new information he gains makes remembering resets look like heaven. Sequel to Earn It. This story was inspired by angela1066's comment on ao3 asking if Sans was going to learn about the player. One Shot.

Ruby Rose recognized that person in the tree. They certainly stood out with their disheveled hair, tattered yellow and green shirt and sharp red eyes; yet she couldn't place where she had seen them before. They also had a strange name, and coming from a family with names like theirs that was saying something. Really, who names their child Chara? What kind of color is that?

What if Sans didn't remember resets at first? What if he had to earn it and not doing so meant he would face unfortunate consequences? Well, in this story, Sans must endure this test, that he really wasn't happy about. Sure, he consented to the test, but no one told him when it started, it must be finished. One Shot. To Leave Video Game crossover.

La vie de Léa change du tout au tout quand des monstres surgissent de nulle part pour l'attaquer et qu'elle se retrouve contrainte de vivre dans une académie loin des humains.

Imagine a world where every person with a Quirk is equal to every Quirkless one. A world where no one has to die. A world where Heroes and Villains don't have to exist and no civilian or innocent has to be in a crossfire... Such a world can exist, But everything comes at a price...

A familiar Guardian of Positivity from the Tree of Feelings has entered into a world with a tournament threatening the fates of a species of beautiful extraterrestrials powered by love. Dreamtale and Sekirei belong to their respective owners.

Undyne, the Spear of justice, has finally gained enough DETERMINATION to transmigrate herself to a different universe. after the slaughter of her home, she will venture to another universe and try to save it like she couldn't her own. My Hero x Undertale OP! Izumi. Fem! Izuku

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.

Ever since Toby Fox made the RPG game know as Undertale 5 years ago, many people made their own versions of it, known as AUs, or Alternate Universes. Here is my AU, which stars a most likely forgotten character from the Pokemon Adventures Manga: Yellow. This is also kind of takes place after a whole bunch of stories that expand on Yellow's character. Hope you enjoy!

After fighting in Chara's genocide run for what seemed like a lifetime now, Sans devised a new plan to get rid of the wraith, in the hopes of giving his brother a happier life. In doing so, there were unintentional side effects and Sans found himself in an entirely new world. Undertale—more specifically, Sans, meet the Marvel Cinematic Universe.

Stories speak of a mountain where children have gone and never returned, unknown of the mystery which lies within it. Now history repeats itself as a child falls but with a twist as another joins...and to think a mild stroll got him into something thought of as fairy tales.

Here we are we made it. The Underleague, the most difficult challenge for any pokemon champion out there. 8 Gyms, 4 Elite members, 1 ultimate pokemon master. Their latest opponent? A...ten year old kid, without a license and and little eevee...Um is-is this normal? Oh, so your Frisk and you literally fell down here? Well in order to get out you have to go through the league. Sorry

Dans un monde, une jeune fille négligée qui cherchait une fleur pour un professeur afin de gagner de l'argent pour s'occuper de sa sœur est tombée dans un monde rempli de monstres et les a libérés. Mais dans la ligne temporelle située juste à coté, la guerre n'a jamais commencé. "Je ne peux pas en mettre plus parce que manque de place. Traduction de fic."

A Hunter at the apex of his ascension is torn asunder, his very existence shattered across the very Cosmos. The Hunter awakens in a flowerbed of golden flowers and discovers he is under an unheard mountain that houses monsters of old. The Hunter shall journey through a changed Underground, interact with monsterous folk, a time altering child, and the- CONSUMETHEHOLYCHALICE!

Summer and Autumn were very close because both of them are twins... Years passed by, Summer was sent on a mission and didn't came back, Autumn Rose who came from a far location had gone back to Vale to meet her family and lastly her twin, a shocking news that will break Autumn's heart will change her forever however she won't stop until she sees her whether dead or alive

Mario forces Asriel to go to the bathroom after Asriel poops himself while busy playing a game.