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Story Shifted:Two Souls by Quillion9000
(Storyshift-AU) Storyshift is an interesting take on Undertale, and I figured it could make this more unique than simply having two characters go through the canon Underground. That said, I wasn't content to leave it at that, so I've shaken up a few things more than the Storyshift you might all be familiar with. Additionally, I've added some of my own ideas into the mix.
Rated: T - English - Fantasy/Adventure - Chapters: 1 - Words: 5,405 - Published: 3m - [OC, Chara] Frisk, Papyrus
The Last Timeline by EllaWhyteTales reviews
After doing everything the right way in the first timeline, Frisk was compelled to do the genocide route for what they felt were "good" reasons. In doing so, they have broken utterly and become something new. Something absolutely devoted to Sans, and not remotely sane. Now they are striving to fix everything and find their path forward. What the hell is Sans supposed to do now?
Rated: M - English - Drama/Romance - Chapters: 30 - Words: 216,512 - Reviews: 4 - Favs: 4 - Follows: 6 - Updated: 3h - Published: 2/23 - Frisk, Sans
Underchild by Myu98
Frisk. In one universe, they are a child of the surface, falling to the Underground, to save or to kill. But here, a choice made before they are even born ends with them being a child of the Underground. Follow them through their life as they grow and learn, raised by Monsters and become the shining light in a dark world.
Rated: K+ - English - Friendship/Fantasy - Chapters: 1 - Words: 715 - Favs: 1 - Follows: 1 - Published: 13h - Frisk, Papyrus, Sans, Toriel
Flapper Florist (Mafiatale) by Michkate reviews
"El jugador" ha muerto... Y ahora todos quieren JUGAR. En la peligrosa Ebott City, radica una constante inconformidad por habitar monstruos y humanos en un mismo lugar., desatándose conflictos delictivos que atentan con la vida de los habitantes. Sin importarle las advertencias de su madre, Frisk decide ir a la ciudad y tener su florería junto con su compañero y mejor amigo Flowey
Rated: M - Spanish - Crime/Romance - Chapters: 116 - Words: 1,066,575 - Reviews: 175 - Favs: 86 - Follows: 84 - Updated: 3/14 - Published: 2/10/2017 - Frisk, Papyrus, Sans, Gaster
Shady Tale: The Beginning by ShadyNexus reviews
Frisk is a 18 year-old young man who just graduated high school. He arranges a hiking trip with his best friend Jack, which leads to him falling in a mysterious hole. Can Frisk survive the monster realm?
Rated: T - English - Fantasy/Supernatural - Chapters: 29 - Words: 66,665 - Reviews: 1 - Favs: 4 - Follows: 4 - Updated: 3/12 - Published: 5/27/2021 - Frisk, Toriel, Flowey
The skeleton with many faces by MNLMFangirl reviews
What if there wasn't AUs but instead they were all personalities in Sans's multiple personality disorder? Well that is the reality Papyrus and the others are currently living in though they've gotten used to it. With the arrival of Frisk some things may change for all of them. Could she be the key to figuring out how to help Sans? Or will that be the surface? Rated M for themes
Rated: M - English - Fantasy/Friendship - Chapters: 7 - Words: 17,591 - Reviews: 1 - Favs: 3 - Follows: 4 - Updated: 3/12 - Published: 1/7 - Frisk, Papyrus, Sans
Surface Truths by VeryPeeved reviews
A kid falls down a vast chasm into the deep, and is set upon by countless monsters eager to murder whoever falls down and claim their souls. Somehow, this child is the villain in your story.
Rated: T - English - Horror/Angst - Chapters: 6 - Words: 21,696 - Reviews: 2 - Favs: 3 - Follows: 3 - Updated: 3/12 - Published: 5/20/2023 - Frisk, Toriel, Flowey
Undertale: Game Over by MasterCaster reviews
Inspired by the Arkham Series and OrangeMKNinja's "Spider-Man PS4 Game Overs", we see various last words from enemies towards Frisk as they die in battle over and over again. (Contains Mild Language)
Rated: T - English - Chapters: 9 - Words: 5,397 - Reviews: 5 - Favs: 6 - Follows: 7 - Updated: 3/9 - Published: 1/27 - Complete
The Last Hope by Myu98 reviews
The world is destroyed. Strange creatures no one has seen before have swarmed the planet, killing everything save a small band of Monsters, and soon, even they will be gone. Their only hope, a thousand years in the past. Traveling back to the war of humans and Monsters, Frisk and their friends hope to change the outcome of the war to avert this horrible future.
Rated: T - English - Tragedy/Fantasy - Chapters: 11 - Words: 42,236 - Reviews: 6 - Favs: 11 - Follows: 11 - Updated: 3/9 - Published: 12/30/2023 - Frisk, Alphys, Monster Kid
One World, Many Souls by Halloween Witch reviews
With a quick use of Sans' magic, we had returned to our home on the surface. The lovely three-story home sat quietly among the trees under the moonlight. Sans always loved to teleport just outside the door and glance at it before walking in. He was a little less lazy since coming to the surface. So much to learn. So much to do. So much to love. SEQUEL TO "TWO WORLDS, TWO SOULS"
Rated: T - English - Adventure/Romance - Chapters: 51 - Words: 210,268 - Reviews: 227 - Favs: 32 - Follows: 28 - Updated: 3/9 - Published: 3/25/2023 - [OC, Sans] Frisk, Papyrus
Scarlet Knowledge by jumbochamploonrules reviews
After getting through the entirety of Undertale and Undertale Yellow, the latter being able to be beaten on every route, Scarlet Johnson wakes up from a slumber to find himself in the body of Frisk and being joined by Chara. And after learning he's in the Undertale universe, but with nods to Undertale Yellow, he needs to get through or die trying. T rated for language and innuendo.
Rated: T - English - Adventure/Fantasy - Chapters: 5 - Words: 21,293 - Reviews: 2 - Favs: 4 - Follows: 4 - Updated: 3/8 - Published: 2/20 - OC, Chara
Dark Origins by SilyaBeeodess
"Long ago, two races ruled over Earth: Humans and Monsters." One race feared for their strong souls, the other for their magic, and the mages caught between them feared for both. All silently knew that war would be inevitable. The only thing that mattered was surviving it. One crimson mage understands that well, and is determined to keep herself and those she cares for alive.
Rated: T - English - Fantasy - Chapters: 35 - Words: 77,934 - Favs: 1 - Follows: 1 - Updated: 3/6 - Published: 10/17/2020 - OC
Undertale: Fallen Angel by Wyman Stephenson
Six years after the monsters emerged to the surface, Frisk is busy with their life of being their ambassador. After an unexpected tragedy, they're soon battling to not just prevent a civil war, but save every timeline.
Rated: T - English - Fantasy/Adventure - Chapters: 13 - Words: 59,640 - Follows: 2 - Updated: 3/5 - Published: 12/9/2023
Sans of Time by Dragon MoonX
No matter how many times we remake this world, the memories of past friendships still remain. For some of us anyway. These are the tales from the Underground, recalling laughter, tears, and some truly ghastly spaghetti.
Rated: T - English - Friendship/Humor - Chapters: 3 - Words: 1,464 - Updated: 3/5 - Published: 2/20 - Papyrus, Sans, Flowey
TwinTale - The Story of the Eighth and Ninth Human by Shadow50056 reviews
In a last ditch attempt to escape, Frisk, alongside her twin brother Harley, run up MT Ebott and leap into the Underground. What they find is not what they expect. Read as truths are revealed, enemies become friends, and the true threat to the Underground comes to light... F!Frisk F!Chara M!OC. Genocide Route First, Original story after Pacifist, No Marty Sue, M for Violence
Rated: M - English - Adventure/Supernatural - Chapters: 69 - Words: 188,673 - Reviews: 78 - Favs: 82 - Follows: 90 - Updated: 2/29 - Published: 7/18/2017 - Frisk, OC, Sans, Chara
The Mother of Kindness by Iluvem'moody reviews
Once upon a time, a mother had lost her son. He had disappeared without a trace. Several years later, her hike up the local mountain of her new hometown leads her on a journey that begins where his had ended. Hopefully, she will find her son and set him free. Hopefully... If she can set herself free as well...
Rated: M - English - Family/Romance - Chapters: 25 - Words: 59,720 - Reviews: 81 - Favs: 222 - Follows: 230 - Updated: 2/23 - Published: 3/23/2016 - [Sans, OC] Papyrus, Green Soul
What is best for humankind by Theta and Koscheii reviews
At the end of the war, monsters don't have the choice : they have to join Mont Ebott for survive another day. Sans and Papyrus, forced to run away after the attack of their village, are delivered to the horror of the war without any help and this one objective. But as sons of the royal scientist, W.D Gaster, they are an easy target. Both of them start a dangerous journey.
Rated: T - English - Adventure/Drama - Chapters: 28 - Words: 65,691 - Reviews: 2 - Favs: 10 - Follows: 10 - Updated: 2/23 - Published: 4/6/2021 - Papyrus, Sans, Undyne, Toriel
DoubleTale: Rewritten by XWolf26 reviews
What if two humans were in the Underground at once? What if one human was DETERMINED to stop the other? What if they could both SAVE? What happens when an Unstoppable Force meets an Immovable Object? When a certain scientist pulls enough of himself together, he finally finds a way to stop the destruction of his world. (Undertale AU. Rewrite of DT.)
Rated: T - English - Adventure/Angst - Chapters: 109 - Words: 1,387,249 - Reviews: 1655 - Favs: 426 - Follows: 413 - Updated: 2/22 - Published: 12/28/2018 - OC, Chara, Monster Kid, Gaster
Undertale:After Story by Empv
The story right after Undertale.
Rated: T - English - Drama/Family - Chapters: 14 - Words: 2,363 - Favs: 3 - Follows: 4 - Updated: 2/22 - Published: 2/13/2018 - Frisk, Toriel, Sans, Monster Kid
Hopetale: Enter Underverse by Papermarioknight4178 reviews
Frisk and Chara were supposedly just average kids, living in a world where the human monster war never happened. However, when they find out about alternate universe, it is a literal race against time, to save not just their world, but others too.
Rated: K+ - English - Fantasy/Sci-Fi - Chapters: 7 - Words: 5,899 - Reviews: 2 - Favs: 4 - Follows: 5 - Updated: 2/17 - Published: 10/23/2023 - Frisk, OC, Sans, Chara
Just Us by PokeDan reviews
Clover figured after he sacrificed himself, he'd be absorbed by a monster eventually and break the Barrier. It's safe to say that waking up in the back of another human's head along with another dead child was not what he predicted at all. So naturally that's what happened.
Rated: K - English - Adventure/Friendship - Chapters: 1 - Words: 4,247 - Reviews: 2 - Favs: 6 - Follows: 10 - Published: 2/17 - Frisk, Chara, Yellow Soul
Underspanking-Mercy? Or Violence? by mastervegeta reviews
Rodrigo, who just began playing Undertale for the very first time, has to find out which way is best as he ends up in the actual Underground. But when a Fallen Child's soul inhabiting Rodrigo's body tries to drive him to violence, will someone help guide him down the right path? Contains spanking, and minor mention of death, you don't have to read if you don't like that.
Rated: M - English - Hurt/Comfort/Spiritual - Chapters: 9 - Words: 32,765 - Reviews: 1 - Favs: 2 - Updated: 2/16 - Published: 10/21/2020
LOVETALE - Intermission by Myu98
Follow Uriel Dreemurr - formerly Frisk - as they live life in the Underground with their family. Making friends, dealing with bullies, helping the royal family heal, its all in a days work for the first Hybrid.
Rated: T - English - Family/Friendship - Chapters: 2 - Words: 5,780 - Favs: 4 - Follows: 4 - Updated: 2/16 - Published: 7/8/2023 - Frisk, Asriel, Toriel, Asgore D.
The Golden Quiche by Sophtopus reviews
For Monsterkind, the Surface represented freedom. For Frisk, it's a return to some uncomfortable realities. It all began with a simple wish. When that wish faded, Frisk tried to move on. Except, 'moving on' was not so simple. Emerging from the Underground had put them in a worldwide spotlight. From an unknown child, they had become an icon of great value.
Rated: T - English - Mystery/Drama - Chapters: 255 - Words: 1,028,493 - Reviews: 386 - Favs: 469 - Follows: 428 - Updated: 2/14 - Published: 6/17/2016 - Frisk, OC, Papyrus, Sans
Grouptale (Rewritten) by NinjaTaleFan19 reviews
Frisk's resets had gotten out of hand- no one even knew why he was doing it. Not even Tessa. But with the threat of a permanent timeline in the balance, Frisk has to stop playing the "hero" of his cousin's life to save the Underground. T because there are many, many heavy topics in their backstories, such as suicide, death, and divorce.
Rated: T - English - Adventure/Friendship - Chapters: 8 - Words: 29,910 - Reviews: 9 - Favs: 8 - Follows: 9 - Updated: 2/11 - Published: 10/31/2020 - Light Blue Soul, Orange Soul, Blue Soul, Purple Soul
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