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Frisk's Tale by JakeGetsFrisky
Frisk jumped into Mt. Ebott for a reason. He wanted his life to change and it did, just not in the way he was expecting. He didn't get what he wanted but he got what he needed. Join Frisk, Chara, and an OC on an incredible, life-changing trip through the Underground.
Rated: T - English - Hurt/Comfort/Angst - Chapters: 1 - Words: 1,930 - Favs: 1 - Follows: 1 - Published: 2h - [Frisk, Chara] Sans, OC
Saving Them by celeste104 reviews
Celese is lost. She's been stuck in the repeating universe for too many years to count, it has broken her. One day, Celese hears them. Frisk. Celese knows she has to help them beat Chara so this hell can end once and for all, but can she handle reuniting with the monsters she once knew? OC insert, possible romance with Sans later.
Rated: T - English - Hurt/Comfort/Friendship - Chapters: 4 - Words: 11,596 - Reviews: 1 - Favs: 1 - Follows: 5 - Updated: 2h - Published: 8/15 - Frisk, OC, Sans, Chara
Mother by CJS51703 reviews
We all know how things turned out for Alphys and Undyne. Now watch as they handle their kids, day by day. (NOTE: Some things in here require you to read my other story On My Own for them to make sense.)
Rated: K+ - English - Family - Chapters: 59 - Words: 64,823 - Reviews: 88 - Favs: 12 - Follows: 11 - Updated: 4h - Published: 9/25/2017 - OC, Undyne, Alphys
Timeline Revoked by BinaryEye101
When a battle between Sans and Chara ends up with Sans stranded in another timeline, Sans is cast into another world full of people who mimic his own family and friends. Under the persona of a mute labrat that stumbled into their dimension, Sans fights for his freedom, feelings and home in this multi-chapter story!
Rated: K+ - English - Humor/Drama - Chapters: 9 - Words: 18,041 - Published: 4h
Restore by Mighty Dreamfinder reviews
Determined to protect his family from the possibility of another war, Gaster steadily realizes just how much he can influence the future of monsterkind when the first human child since Chara falls into the Underground and into their lives. But the Core has been growing stronger, and a talking flower seems to think Gaster's forgotten something deadly important.
Rated: T - English - Drama/Family - Chapters: 15 - Words: 66,471 - Reviews: 18 - Favs: 14 - Follows: 13 - Updated: 7h - Published: 6/1 - Frisk, Sans, Gaster, Light Blue Soul
The fireball in Jarasevo by Congar reviews
Born and raised in worlds apart, one on top, and one below the castle. Two Boss Monster who should never have met, but as we all know, ruled an Underground, together. Before resets, before fallen children, before war, love was found, but how? Two monsters on opposite side of the spectrum of life, how did they come together? This is how the candle between them was ignited.
Rated: T - English - Romance/Humor - Chapters: 12 - Words: 44,889 - Reviews: 1 - Favs: 6 - Follows: 5 - Updated: 9h - Published: 6/9 - Toriel, Asgore D., Gerson
I'll Be There by UnderTaleI dunno reviews
Frisk and her sister are constantly abused, so they run away to Mt. Ebott. When they fall into the underground, they are taken care of. Frisk is thrown into situations where she has to make hard decisions, decisions where she has to protect the ones she loves. This by far, is one of the hardest things Frisk has ever done in her life.But it's all worth it in the end.. Eventual Frans
Rated: T - English - Romance/Hurt/Comfort - Chapters: 36 - Words: 130,799 - Reviews: 59 - Favs: 63 - Follows: 85 - Updated: 14h - Published: 5/27/2016
Undersnort by offbrandbiscuit reviews
A human falls into the Underground, and soon realises that everyone there is either drunk, stoned, or completely off their face. Will they succumb to the temptations of the Underground or stay sober? [Warning: frequent drug use, swearing, references to self-harm/suicide, and some graphic depictions of violence] {art by IPostStupidThings}
Rated: T - English - Angst/Humor - Chapters: 2 - Words: 13,083 - Reviews: 2 - Favs: 3 - Follows: 3 - Updated: 18h - Published: 8/12 - Frisk, Sans, Undyne, Toriel
FirstTale by Sokin reviews
Frisk, the eighth human to fall into the kingdom of monsters, is instead the first. How does life underground go for them now, and more importantly, how do they keep it together when the other humans start arriving?
Rated: T - English - Hurt/Comfort/Friendship - Chapters: 13 - Words: 60,719 - Reviews: 38 - Favs: 29 - Follows: 42 - Updated: 23h - Published: 11/26/2017 - [Toriel, Asgore D.] Frisk, Asriel
Angel with a Shotgun (Forevermore AU Book 2) by Fan writes for Fans reviews
Dancer 213 was raised in a lab, filled with cruelty, and with no idea about her true identity. She was always taught that monsters needed to be sealed in the Danger Zone for the good of humankind, even at the torture of their children. But as she grew into a young woman, she soon realized the monsters might not be as dangerous as the captors led on.
Rated: T - English - Romance/Fantasy - Chapters: 6 - Words: 32,093 - Reviews: 2 - Favs: 2 - Follows: 2 - Updated: 8/17 - Published: 3/31 - [Sans, Frisk] OC
Rift by scians reviews
"The ninety-fourth reset. That's when he started to unravel—or at least, that was when you started noticing." Version of events where Frisk has never succumbed to genocide, but still resets in the hopes of saving Asriel . . . at the cost of losing Sans. First ever fanfic. TW: depression, suicide, self-harm, language.
Rated: T - English - Hurt/Comfort/Drama - Chapters: 5 - Words: 24,403 - Reviews: 8 - Favs: 24 - Follows: 21 - Updated: 8/17 - Published: 5/18 - Frisk, Papyrus, Sans, Flowey
Grouptale by ponystoriesandothers reviews
What if the six fallen humans who died before Frisk never died and instead joined Frisk on their journey through the Underground? It all seems good... aside from Frisk. Why are they really in this timeline? What do they want? Join the other six as they try to learn about 'the eighth human', why everything is so strange and how to escape the underground. [Cringe cover by me]
Rated: T - English - Friendship/Adventure - Chapters: 50 - Words: 190,767 - Reviews: 120 - Favs: 59 - Follows: 54 - Updated: 8/17 - Published: 9/15/2017 - Frisk, Light Blue Soul, Orange Soul, Green Soul
The UnderTale by Robloxmaster225 reviews
This is my own version of Undertale. I do not own Undertale and I am not using others work.
Rated: K+ - English - Adventure/Friendship - Chapters: 32 - Words: 58,133 - Reviews: 15 - Favs: 5 - Follows: 5 - Updated: 8/17 - Published: 9/16/2017 - Frisk - Complete
Grouptale (An Undertale AU(Remake)) by Jinx198 reviews
Seven friends fall into Mt Ebott together and end up in the kingdom of monsters. They must work together to make it through the Underground and make it back home. New friends will be made, battles will be fought, mysteries will be solved, and dogs will be pet. Follow them on this adventure. (Rated T for potential swearing and/or gore)
Rated: T - English - Adventure/Friendship - Chapters: 55 - Words: 155,787 - Reviews: 205 - Favs: 47 - Follows: 46 - Updated: 8/17 - Published: 10/20/2017 - Frisk, Light Blue Soul, Yellow Soul
Undertale 07 by SharaBarer reviews
After 1,000 years, monster kind is finally free from their underground prison. Sans fear of another reset has slowly faded away, trusting Frisk with their future. The past though, keeps calling. There's a story left untold in the underground. This, is that story. The truth of the past. This is the story, of Semi Gaster. Yes, you read that correctly.
Rated: K+ - English - Mystery/Sci-Fi - Chapters: 8 - Words: 36,276 - Reviews: 3 - Favs: 2 - Follows: 7 - Updated: 8/17 - Published: 2/22 - Sans, Gaster
Bone Fever by OmegaWolfStories reviews
Papyrus is sick with a seriously bad virus unique to skeletons. All Sans wants to do is take care of his little brother but because of his low HP he is in danger of catching it and getting terminally ill, so they have to be kept apart from each other whilst the virus runs it's course...something that Sans cannot stand...
Rated: T - English - Hurt/Comfort/Family - Chapters: 9 - Words: 8,839 - Reviews: 5 - Favs: 19 - Follows: 35 - Updated: 8/17 - Published: 10/8/2017 - Papyrus, Sans, Undyne, Alphys
More invited, one to celebrate by Congar
The first step in accepting what's happened has been taken. The first of many, but the first one is done. Back among friends, back among family. Now to continue with life, now to continue without looking back! This calls for celebration! For one special human, that saved them all. However, first it has to made sure that everyone's invited, and that everyone wants to come.
Rated: T - English - Chapters: 19 - Words: 68,878 - Favs: 5 - Follows: 4 - Updated: 8/17 - Published: 4/20 - Frisk, Asriel, Toriel, Asgore D.
grimtale by willy123w
this is a paradox type universe were instead it follows frisk, chara and grim through the underground.
Rated: T - English - Romance/Drama - Chapters: 6 - Words: 7,354 - Updated: 8/17 - Published: 6/23 - Frisk, OC, Chara, Purple Soul
Mister Communication by Nanenna reviews
The barrier's broken, monsterkind is finally free, and Dr. Gaster is reunited with his two wonderful sons. You'd think everything would be smooth sailing from here on out, but there's one little, teeny,tiny complication the skeleton family has to deal with: the consequences of one missing night after the worst week of Sans's entire life. Mpreg, M/M pairing
Rated: T - English - Drama/Humor - Chapters: 6 - Words: 12,380 - Reviews: 2 - Favs: 2 - Follows: 2 - Updated: 8/17 - Published: 7/13 - [Sans, Grillby] Papyrus, Gaster
Changing the World by AryaKitty reviews
In a True Pacifist run where Gaster was saved, but Flowey wasn't. Sans goes back in time via a now fixed time machine, by Gaster's request, to warn Chara and Asriel about what will happen if Chara's plan goes into action. This, of course, changes the timeline completely. What could go wrong?
Rated: T - English - Romance/Family - Chapters: 20 - Words: 7,152 - Reviews: 25 - Favs: 1 - Follows: 4 - Updated: 8/17 - Published: 8/7 - [Asgore D., Toriel] Asriel, Chara
My soul is yours by Aqua and Orange reviews
Sans always found humans to be irritating. They blew through the land of Monsters like a tornado, always leaving behind a mess. The latest human boy to fall down Mt Ebott appears no more special than the other lost souls he's encountered. So why did the boy make him feel like he could be? SANSXMALEOC. SLASH/GAY, SO READ AT YOUR OWN RISK. other character pairings, eventual smut.
Rated: T - English - Romance/Adventure - Chapters: 3 - Words: 9,084 - Reviews: 1 - Follows: 1 - Updated: 8/17 - Published: 8/14 - Frisk, OC, Papyrus, Sans
Undertale EverDeep III: The Everstar Epitimus by Alan Tryth reviews
Realities are breaking down, strange creatures are slipping through the cracks, and surrounding it all is the lost shard of the Inverse Harmonius. With Sans and Fuku lost in the darkest of realities, Glen must find and confront the source of the darkness. Asriel and company track down the last pieces of the Everstar, but even it may not be enough to face the truth behind the ichor.
Rated: T - English - Fantasy/Adventure - Chapters: 6 - Words: 20,350 - Reviews: 1 - Favs: 1 - Follows: 2 - Updated: 8/16 - Published: 1/18
the gaster master by julysunicorn reviews
when something bad happens to one of frisk's closest friends, the little human's only hope is to find and reassemble the missing and shattered dr wd gaster. updates sporadically?
Rated: T - English - Adventure/Suspense - Chapters: 4 - Words: 5,974 - Reviews: 5 - Favs: 3 - Follows: 3 - Updated: 8/16 - Published: 8/5 - Frisk, Gaster, Chara
Body What Now? by Tired TM
Different Undertale monsters discover a variety of body modifications. Reactions vary.
Rated: K - English - Humor - Chapters: 5 - Words: 1,074 - Favs: 2 - Follows: 1 - Updated: 8/16 - Published: 8/7 - Papyrus
Undyne's Human by Phouka Dragon11 reviews
Long, long ago, a human fell into the kingdom of monsters. Tattered, torn, they sought help. Running away from an obsessive, clingy goat woman, they colapse in the snow, only to be found by a very young fish monster...
Rated: T - English - Friendship - Chapters: 12 - Words: 57,605 - Reviews: 26 - Favs: 23 - Follows: 36 - Updated: 8/16 - Published: 12/19/2017 - Undyne, Light Blue Soul, Papyrus
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