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2DoubleTrigger » by Fixer140.85 "Might controls everything. And without strength, you cannot protect anything." A man falls into the underground and finds himself face to face with a demon. But he doesn't have the strength to beat them. In order to protect the ones he loves, he swore to do what ever it takes. Even if it means becoming a demon himself. (Based on XWolf26's DoubleTale)
T, English, Adventure & Angst, chapters: 2, words: 9k+, favs: 2, follows: 2, updated: 7h published: 5/22, Frisk, OC, Chara, Gaster
Justice or Vengeance » by asteroftherainbows Undyne had always hated humans. They'd trapped her people and left them for dead, they'd destroyed the monsters' beacon of hope in the darkness, and now one of them had mercilessly killed soldiers and civilians alike in the name of "justice". They hated all monsters for the sins of a few. But could Undyne really believe she was any different? (T for violence and probably language)
T, English, Angst & Friendship, chapters: 4, words: 1k+, 5/26, Undyne, Alphys, Yellow Soul
Daniel- King of Monsterkind (StoryFell) » by The Unfortunate Wonderer Daniel. That was his name, the one thing that he remembered from a past life, one before the Underground. He doesn't remember what his last name was- Hell, he doesn't remember his parent's faces- Yet, that doesn't matter anymore. Why, you ask? Because he's King, and he'll be damned if he allows this chance to slip from his grasp. [A story of a man of monsters. A story of change.]
T, English, Adventure, chapters: 4, words: 5k+, favs: 3, follows: 3, updated: 5/26 published: 2/17, OC
4Undertale 2: A New Beginning » by AngelxYasutora Post Undertale Pasafist run Do not flame because of Shippings please. SansxFrisk for now. Rated K-T. Six years have past since the barrier was broken. Frisk is now sixteen and the Ambassador of the monsters. Sans is Physically twenty-six had a HUGE growth spurt and is the new Royal Scientist for King Asgore. I'll write more to the summary later. Hope everyone Enjoys.
K+, English, Friendship & Romance, chapters: 9, words: 53k+, favs: 11, follows: 11, updated: 5/25 published: 6/30/2016, Frisk, Sans
(Glitchtale AU Hateful Glitch: Breakdown » by chewychip91 What if you didn't destroy the reset button, but rather the menu? How does the world work when you cease to exist? What story will it piece together then? Hateful Glitch explores that question with a new set of characters and enemies alongside some well know past characters who are...A little different. Second Story.
T, English, Adventure & Fantasy, chapters: 6, words: 31k+, favs: 1, follows: 1, updated: 5/24 published: 5/6
Integritale-Rebirth » by CookiechanCook This is a sequel to my old story, Integritale, which you will find in my profile. I don't know if this could be considered an AU to the Undertale Universe, since I did add a lot of stuff, but still tried to adhere to the canon as much as possible. In any case, please, enjoy! Any feedback is welcome!
T, English, Drama & Humor, chapters: 3, words: 5k+, updated: 5/24 published: 5/6, Frisk, Papyrus, Sans, Blue Soul
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?
T, English, chapters: 3, words: 6k+, favs: 1, follows: 2, updated: 5/24 published: 5/17, Frisk, Asriel, Sans, Chara
Coalescence » by IrishPlagueDoctor While monsters celebrate their second decade on the surface, the Ambassador of monsters, Frisk, struggles with racial public and political officials as they continue to try to pass a law that will allow monsters to live outside the city limits. Just as when they try to take a step back from the chaos of their life, Frisk gets erased from existence. (Adult!Frisk)
T, English, Supernatural & Hurt/Comfort, chapters: 3, words: 13k+, favs: 4, follows: 4, updated: 5/23 published: 5/9, [Frisk, Gaster] Papyrus, Sans
17Growing Pains: To the Stars and Back Again » by twix012 This is a post-pacifist slice of life story of Asriel, still on his way to growing up and facing all the nagging aches and pains, despite it all, he's Determined to continue happily live his life with Frisk by his side, no matter however difficult it is, no matter how bad the growing pains get. (Updates every Monday!)
T, English, Romance & Hurt/Comfort, chapters: 27, words: 246k+, favs: 8, follows: 9, updated: 5/22 published: 1/18, [Frisk, Flowey] Toriel, Asgore D.
11Maybe not all humans are bad » by chariskthrowaway Frisk falls in the underground at a time where Asriel and Chara are still alive and is first found in the ruins by the latter. Frisk being a human, Chara considers them as a threat to monsterkind, especially once they discover Frisk has the ability to go back in time and erase the consequences of their actions. Can Frisk show to Chara that not all humans are as bad as they think ?
T, English, Adventure & Romance, chapters: 7, words: 25k+, favs: 20, follows: 27, updated: 5/22 published: 3/27, [Chara, Frisk]
2Flowey, god of the underground » by UnDeterminedSoul 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.
T, English, Hurt/Comfort & Angst, chapters: 9, words: 28k+, favs: 5, follows: 4, updated: 5/22 published: 3/12, Alphys, Asgore D., Flowey
2Undertale: Wholehearted Half-Souls » by HattyTheWriter The ambassador of Ebott reunites with his best friend to give him his real body back. Soon after, a new malevolent force arises and strikes. All of the hard work the ambassador has done will be destroyed and death and despair will sweep the town- unless he and his brother can figure out a way to thwart the malice creeping through Ebott. They must stay DETERMINED to survive.
T, English, Drama & Hurt/Comfort, chapters: 14, words: 72k+, favs: 4, follows: 6, updated: 5/22 published: 2/20, Frisk, Asriel
3Undertale - Kindness » by sakuranri 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
T, English, Hurt/Comfort & Sci-Fi, chapters: 42, words: 68k+, favs: 25, follows: 32, updated: 5/21 published: 11/19/2017, Papyrus, Sans, Flowey
303Two Worlds: Two Souls » by Halloween Witch 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.
T, English, Adventure & Romance, chapters: 80, words: 372k+, favs: 128, follows: 140, updated: 5/21 published: 11/14/2020, [Sans, OC] Frisk, Papyrus
148My Soul to Take » by Kitsune Eric After giving up his Soul, Frisk and Chara develops a partnership with each other. Before completing their sixth Genocide run, Chara tells Frisk that she grows tired of doing the same thing over again. After sparing Sans, he warns the two that if they gain a single point of EXP, there'd be hell to pay. Can the two do a successful Pacifist run, or will they go back to their old ways?
T, English, Adventure & Friendship, chapters: 29, words: 42k+, favs: 307, follows: 373, updated: 5/20 published: 2/11/2016, [Frisk, Chara]
¿Amistad o amor? » by Yinny Degoxs Como científico real, Gaster debe ver siempre por el funcionamiento de todo pero eso ha llegado a costarle mucho más de lo que imagina, y por eso mismo el rey debe encargarse de él, pero ¿hasta que punto? ¿Cruzarán la linea más allá de la amistad?
K, Spanish, Friendship & Romance, chapters: 2, words: 8k+, updated: 5/20 published: 5/8, Asgore D., Gaster
2Once Upon a December (You'll Be Back Edited Version) » by ProudFanficWriter *What would you do if everything you thought you knew was a lie?* Just when Frisk returns to Sans, the blooming flower has to make a deal with the 'devil' to save her family from a horrible memory and sold her memories. But, as the story begins again and she slowly gathers all her memories back, Frisk had to wonder: Which story is true?
T, English, Romance & Adventure, chapters: 19, words: 91k+, favs: 3, follows: 3, updated: 5/20 published: 5/6/2020
1 Colors by Dragonsrule18 Underfell AU. Asriel's life is defined in colors. The black and red of a dismal life under his father's thumb. Green and gold, the joy and hope his friendship with Chara brought him. But when tragedy strikes and Asriel wakes to an Underground destroyed by the black of hate and the red of anger, he must choose what path he wants to take.
T, English, Angst & Family, words: 1k+, favs: 2, follows: 2, 5/19, Asriel, Flowey
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.
T, English, Fantasy, chapters: 12, words: 26k+, follows: 1, updated: 5/19 published: 10/17/2020, OC
1Strange Neighbors (Pawtale AU) » by K3ysh0nFanfics Kai Falcon is a 15 year old boy moving into an apartment complex all on his own due to the new laws of the city that people under 18 must live alone to better prepare them from the future, but while moving in he noticed something off about his next door neighbors, what did he notice? well your gonna have to read to find out. (Thank you Blackie Sootfur for letting me use this AU!)
T, English, Friendship, chapters: 2, words: 1k+, favs: 3, follows: 3, updated: 5/18 published: 5/13, Frisk, Asriel, OC, Chara
378Sanctuary of Stardust » by Sheii Bae Born into a life of cruel subjugation and confinement, a young child discovers that a different kind of prison might just become her safe haven. But nothing is ever that simple. With a deadline looming and troubles starting to pile up, a new friend with a lazy grin could be just what she needs right now. Multiple AU's. Slow burn. Female Frisk. Contains OC's. Eventual SansxFrisk
T, English, Hurt/Comfort & Family, chapters: 79, words: 206k+, favs: 70, follows: 78, updated: 5/17 published: 2/20/2021, Frisk, OC, Papyrus, Sans
1k+DoubleTale: Rewritten » by XWolf26 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. All he has to do is break through one wall... (A rewrite of DT.)
T, English, Adventure & Angst, chapters: 84, words: 948k+, favs: 329, follows: 321, updated: 5/17 published: 12/28/2018, OC, Chara, Monster Kid, Gaster
2Sans reincarnation - Wondertale » by Leadthedead017 What happens when a skeleton with a brutal past wakes up into another world? What happens if that skeleton turned into a human? What happens next? Find out when reading this fanfiction... Every 10 chapters I make in a row, I will be taking a one week break to work on my other novels, so don't fuss if i'm dead or not.
T, English, Romance & Adventure, chapters: 7, words: 12k+, favs: 1, follows: 2, updated: 5/16 published: 4/30, Sans
375The Golden Quiche » by Sophtopus 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.
T, English, Mystery & Drama, chapters: 232, words: 901k+, favs: 420, follows: 388, updated: 5/16 published: 6/17/2016, Frisk, OC, Papyrus, Sans
1 A Tough, But Good-Hearted Warrior by GoldGuardian2418 When Undyne tells Asriel that she can't feel a lot of stuff physically anymore due to her training, he and his siblings along with Papyrus prove that she still has one ticklish spot. Done for The gay geisha's little brother. :)
K+, English, Family & Humor, words: 1k+, favs: 4, follows: 2, 5/16, Frisk, Asriel, Chara, Undyne
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