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CharaFell - Restart by Op7 reviews
(This is a remake of the original What if) What if Chara was ripped from Frisk during the fight with Sans? What if she didn't get to go to her world, but was placed into another? What if that happened to be Underfell? What might happen then?
Rated: T - English - Fantasy/Mystery - Chapters: 17 - Words: 24,611 - Reviews: 1 - Updated: 2h - Published: 7/17 - Chara, Flowey, Purple Soul
Flowey, god of the underground by UnDeterminedSoul reviews
Unwanted consequence of an experiment went wrong, prince Asriel Dreemurr finds himself reborn as a soulless flower unable to feel love or compassion. When confronted to death, he discovers himself a new power : Determination. The resolve to change fate. With the ability to travel through time and erase the consequences of his actions, the prince now held the power to play god.
Rated: T - English - Hurt/Comfort/Angst - Chapters: 12 - Words: 38,803 - Reviews: 4 - Favs: 4 - Follows: 6 - Updated: 7/25 - Published: 3/12 - Toriel, Alphys, Asgore D., Flowey
Souviens toi des jours heureux by Theta and Koscheii
Cheyenne et sa petite sœur, Neelam, prennent leur indépendance après quinze années passées en famille d'accueil. La plus âgée ne réussissant pas à trouver un travail, Papyrus, leur charmant voisin, lui propose de surveiller son frère, Sans, atteint d'une maladie qui lui fait perdre peu à peu la mémoire. Un travail en apparence facile qui pourrait bien être plus trompeur que prévu.
Rated: T - French - Hurt/Comfort/Romance - Chapters: 6 - Words: 17,712 - Favs: 1 - Follows: 2 - Updated: 7/25 - Published: 7/16/2021 - OC, Papyrus, Sans, Undyne
Undertale - Kindness by sakuranri reviews
Something happens to stop the normal flow of a Genocide run. An anomaly appears...but maybe it's not the one you think. *Trigger warnings: there might be some violence/threats/feeling trapped and self-harm at some point
Rated: T - English - Hurt/Comfort/Sci-Fi - Chapters: 43 - Words: 71,832 - Reviews: 3 - Favs: 25 - Follows: 32 - Updated: 7/24 - Published: 11/19/2017 - Papyrus, Sans, Flowey
Undertale: Wholehearted Half-Souls by HattyTheWriter reviews
Asriel gets his real body back through Frisk's help via sharing half of his own soul. However, just when things are looking up, a new malevolent force arises in the town of Ebott that threatens to undo all of Frisk's hard-earned success as ambassador and demolish the whole town piece by piece. Will Frisk and Asriel be able to stay safe and help save the town before it's too late?
Rated: T - English - Drama/Hurt/Comfort - Chapters: 23 - Words: 117,907 - Reviews: 2 - Favs: 4 - Follows: 5 - Updated: 7/24 - Published: 2/20 - Frisk, Asriel
Undertale: Fates Intertwined by Thechaosmaster reviews
The adopted daughter of the King and Queen of monsters, a young girl who can't handle humanity, both abandoned the civilizations of their birth species, lived a century apart, now they must work together to free the Underground and allow the monsters to see the sunlight once more. But will they be able to succeed, or will a certain flower stop them? Time will tell. Charisk.
Rated: T - English - Adventure/Romance - Chapters: 8 - Words: 147,034 - Reviews: 16 - Favs: 34 - Follows: 40 - Updated: 7/23 - Published: 4/28/2021 - [Frisk, Chara]
The Locket by Fantastical Chaos reviews
The Underground is divided. Evil lurks in the darkness as hope slowly fades away. Only a human, a monster, and a dead prince can restore this corrupt kingdom, but not if it corrupts them first.
Rated: T - English - Adventure/Drama - Chapters: 44 - Words: 172,865 - Reviews: 58 - Favs: 39 - Follows: 39 - Updated: 7/23 - Published: 2/5/2018 - Frisk, Papyrus, Sans, Chara
Two Worlds: Two Souls by Halloween Witch reviews
I flinched when I felt the rocks move from under us, no longer able to hold our weight. I latched onto my sister just as the earth shattered beneath us and gave way to a free fall. Frisk screamed and I struggled to hold her to me. To use my body as a cushion when we made it to the bottom. One way or another, I wouldn't let her die.
Rated: T - English - Adventure/Romance - Chapters: 89 - Words: 412,264 - Reviews: 359 - Favs: 135 - Follows: 146 - Updated: 7/23 - Published: 11/14/2020 - [Sans, OC] Frisk, Papyrus
The Walls Around Our Hearts by papyruswiki reviews
What happens when you build walls around your heart for protection, but refuse to take them down, even when they're destroying you? A slow burn Papyton fic about trauma, support, friendship, and true love. Trigger warnings apply; these include discussions of abuse, rape, addiction, mental illness, and non-graphic sexual content.
Rated: M - English - Romance/Friendship - Chapters: 56 - Words: 209,331 - Reviews: 23 - Favs: 25 - Follows: 33 - Updated: 7/21 - Published: 8/6/2017 - [Mettaton, Papyrus] Frisk
Horrorswap-tale by Sans3465 reviews
getting stabbed to death and being reincarnated as a skeleton monster isn't the weirdest thing in my life but having multiple soulmates in Another Universe that's just too much and I have to deal with a creepy fan who believes that she is my soulmate and the others as well.
Rated: M - English - Adventure/Humor - Chapters: 4 - Words: 9,733 - Reviews: 10 - Favs: 30 - Follows: 25 - Updated: 7/21 - Published: 5/9/2021 - OC, Papyrus, Sans, Gaster
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: 17 - Words: 39,431 - Reviews: 2 - Favs: 7 - Follows: 8 - Updated: 7/21 - Published: 4/6/2021 - Papyrus, Sans, Undyne, Toriel
Stained Mirror by Artientxc2 reviews
You life has been pretty normal, even what has been going on in the world. Monsters had just gotten to the surface. You really don't think much of it at first, until you are tied into this new world after receiving strange messages on your bathroom mirror in blood. {Underfell Napstablook X Reader}
Rated: T - English - Romance - Chapters: 1 - Words: 425 - Reviews: 1 - Published: 7/21 - Napstablook
Twilight of the Dreemurrs by CoramDeo reviews
The barrier has been broken, monsters are free, and life is good for a human boy and his adopted mother. So why is Frisk poring through every book he can find about monster history? And why does he keep returning to Mount Ebott time and time again?
Rated: K+ - English - Adventure/Family - Chapters: 27 - Words: 88,116 - Reviews: 16 - Favs: 8 - Follows: 9 - Updated: 7/20 - Published: 12/27/2021 - Frisk, Asriel, Chara, Flowey - Complete
Undertale Fallen Determination: Book 2 by Cobalt Gemini reviews
After Chara is freed from the Void, reunited with her friend, Gaster, and gone through a Reset of time, she must now help guide young Frisk through the Underground, showing her to get by without harming anyone. (Female Adult Chara, Female Frisk)
Rated: T - English - Family/Hurt/Comfort - Chapters: 23 - Words: 75,399 - Reviews: 6 - Favs: 25 - Follows: 24 - Updated: 7/20 - Published: 4/23/2020 - Frisk, Chara, Gaster
Vermifuge by aeraecura
Freed from the Fresh parasite's control, Sans finds himself in an Underground that isn't quite his own. He takes what's been given to him as best he can. (Or: a slightly gentler alternate ending for a character with a disturbing fate, as written by a canon purist who feels no love for AU content. With apologies to Hiroyuki Owaku.)
Rated: T - English - Angst/Family - Chapters: 10 - Words: 56,454 - Favs: 8 - Follows: 4 - Updated: 7/20 - Published: 4/1/2021 - Papyrus, Sans, Undyne, Alphys
Hoping for Determination: Retold by BadDRUMMERboy15 reviews
Years pass. People grow. The world moves on without you. However, through the threads of time, a connection is established. A red soul peeks through the darkness, a smiling man welcoming it with open arms. Flowey truly believed that whomever he spoke to when the barrier broke had taken his advice. However, four years after the monsters are freed, time reloads by a few hours.
Rated: T - English - Angst/Hurt/Comfort - Chapters: 1 - Words: 4,239 - Reviews: 4 - Favs: 4 - Follows: 5 - Published: 7/19 - Frisk, OC, Asgore D., Flowey
Poisonfell by AngelxYasutora
Has been Mentioned in "Journeytale: Younger Years" before but this is the AU that Flowey originally comes from but in the past by a few years before he was born I'll write a Summary for it later but for now I don't have any time for it
Rated: M - English - Angst/Romance - Chapters: 3 - Words: 5,339 - Favs: 1 - Follows: 1 - Updated: 7/19 - Published: 7/16 - Frisk, Papyrus, Sans, Chara
UnderSitter by 5iveAM reviews
Grillby finds himself babysitting for the creepy scientist's kids. He loves it until he discovers a secret they've been hiding that could be soul-threatening. (Updates regularly)
Rated: T - English - Drama - Chapters: 17 - Words: 23,239 - Reviews: 5 - Favs: 14 - Follows: 20 - Updated: 7/19 - Published: 12/2/2017
When World's Collide by ThatSansFan
The barriers been broken for about three years now. Frisk is eighteen, just graduated highschool and found herself lazing about with Sans. But Sans has a secret project he's been working on and he isn't telling anyone what it is. But Frisk is determined to know and she's not taking no for an answer.
Rated: M - English - Adventure/Sci-Fi - Chapters: 2 - Words: 3,954 - Favs: 1 - Follows: 1 - Updated: 7/19 - Published: 6/2 - Frisk, Sans, Papyrus
The Return of Chara by The Raven-haired author
Everyone knows the story, the story of how Frisk fell into the underground, made many friends, and eventually set the monsters free. But what if that wasn't the end of the story? What if there were someone who simply couldn't move on after the monsters were freed? Someone who's tired of being alone in the dark. Can Frisk avoid the consequences once again? Or is it already too late?
Rated: T - English - Chapters: 11 - Words: 26,597 - Favs: 3 - Follows: 5 - Updated: 7/19 - Published: 5/17 - Frisk, Asriel, Sans, Chara
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: 235 - Words: 915,437 - Reviews: 375 - Favs: 421 - Follows: 394 - Updated: 7/19 - Published: 6/17/2016 - Frisk, OC, Papyrus, Sans
Masked Monsters by Fantastical Chaos reviews
There are monsters in the forest. Now trapped within the endless woods surrounded by mask-wearing individuals, it is up to Frisk to discover the truth of the forest and to find the lost past of her mask companion all while hiding what she is from those who would seek to wear the skin of her face as their own.
Rated: T - English - Fantasy/Friendship - Chapters: 33 - Words: 56,691 - Reviews: 1 - Favs: 8 - Follows: 5 - Updated: 7/19 - Published: 10/5/2021 - Frisk, Sans, Chara, Flowey
DoubleTime by TiredWhiteMayge reviews
Twenty-one iterations of W.D. Gaster gambled on plucking a human from beyond their reality to stop a vicious cycle of genocide, and changed the multiverse forever. In a scrambled timeline, away from the grand tragedy of The Angel & The Anarchist, a young woman awakens on a bed of flowers in her pajamas...
Rated: T - English - Adventure/Friendship - Chapters: 8 - Words: 28,382 - Reviews: 26 - Favs: 19 - Follows: 23 - Updated: 7/18 - Published: 3/16/2021 - Frisk, OC, Chara, Gaster
PATCHWORK SOUL - NEW MEDIUM by TakaiWolf reviews
DIRECT SEQUEL TO "PATCHWORK SOUL" — A few months later. A family of monsters and their little human kid try to start life anew beyond the confines of a giant mountain. Maybe they find something. Maybe they lose something. Time flows ever onwards, but sometimes it goes sideways, and it's heavier than they thought.
Rated: T - English - Adventure/Drama - Chapters: 89 - Words: 980,447 - Reviews: 57 - Favs: 71 - Follows: 72 - Updated: 7/18 - Published: 10/12/2019 - Frisk, Asriel, Papyrus, Sans
Sans Tells Another Pun by The Bohemian Rhapsody
According to all known laws of aviation, a bee shouldn't be able to fly...
Rated: K - English - Humor/Spiritual - Chapters: 1 - Words: 215 - Published: 7/18 - Sans, Papyrus - Complete
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