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Undertale: Wholehearted Half-Souls by HattyTheWriter
The ambassador of Ebott reunites with his best friend to give him his real body back. But, just as the ambassador's best friend gets his true body back and all is well in every household of Ebott, a new malevolent force arises and strikes. How will the ambassador and his best friend and brother work through this challenge and survive? Only time and DETERMINATION will tell.
Rated: T - English - Drama/Hurt/Comfort - Chapters: 3 - Words: 16,930 - Favs: 1 - Follows: 1 - Updated: 15h - Published: 2/20 - Frisk, Asriel
Collection of Oddities by TerminusVerso reviews
A collection of inane nonsense (ranging from Error being reincarnated as Palette to Dust finding a new love for the color pink) circling around the many AUs and Multiverses of the Undertale world. Some stories will be connected; Others will be random one-shots. Stop by and see what treasures, or horrors, you can find.
Rated: M - English - Humor - Chapters: 115 - Words: 106,342 - Reviews: 13 - Favs: 22 - Follows: 21 - Updated: 3/5 - Published: 3/15/2020 - Sans
It's Music to My Ears by Hline001
Frisk could always hear music, but due to trauma they do not mention it to anyone. When they fight the monsters in the underground, they end up reaching a pattern in their head that the music that they heard during the battles were the theme of the monster they were fighting. They were right, until Sans. Sans attacked first, initiating the battle. What other monster attacked first?
Rated: K+ - English - Angst/Hurt/Comfort - Chapters: 1 - Words: 188 - Favs: 1 - Follows: 1 - Published: 3/5 - Frisk, Papyrus, Sans, Asgore D.
The third one by UnDeterminedSoul reviews
Two years after monsters were freed and reached the surface, Lucius finds himself a strange power. The ability to turn back time using his determination. But a power this great takes a heavy hit on one's mental state and Lucius wasn't the first person to hold that power but the third. Its only a matter of time before those that came before realise what's happening. Now complete.
Rated: T - English - Adventure/Angst - Chapters: 24 - Words: 131,047 - Reviews: 11 - Favs: 16 - Follows: 19 - Updated: 3/5 - Published: 10/15/2021 - Frisk, OC, Chara - Complete
En el jardín by AcnoHeart
Eran las primeras vacaciones que se tomaba. Sans pensó que serian relativamente tranquilas, claro, si se ignoraba los gritos de su hermano, Papyrus, y el enamoramiento de este con Frisk; la molesta y deportista Undyne, intentando que se levantase del sofá y moviese el esqueleto; además de la familia Dreemurr, conocia a Toriel, pero sus hijos eran otra cosa. [Chara x Sans] [Chans]
Rated: T - Spanish - Romance/Friendship - Chapters: 10 - Words: 18,315 - Favs: 2 - Follows: 3 - Updated: 3/5 - Published: 7/18/2021 - Frisk, Papyrus, Sans, Chara
Masked Monsters by Fantastical Chaos
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: 20 - Words: 35,259 - Favs: 6 - Follows: 3 - Updated: 3/5 - Published: 10/5/2021 - Frisk, Sans, Chara, Flowey
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: 69 - Words: 323,502 - Reviews: 213 - Favs: 113 - Follows: 124 - Updated: 3/5 - Published: 11/14/2020 - [Sans, OC] Frisk, Papyrus
Growing Pains: To the Stars and Back Again by twix012 reviews
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!)
Rated: T - English - Romance/Hurt/Comfort - Chapters: 12 - Words: 133,669 - Reviews: 5 - Favs: 5 - Follows: 6 - Updated: 3/4 - Published: 1/18 - [Frisk, Flowey] Toriel, Asgore D.
A Shattered Soul by memerman91
Asriel... Are you going to hide forever? Do you plan on spending the rest of your days running? Confront them... Confront the ones who took everything from you, everything... And kill them...
Rated: T - English - Adventure/Tragedy - Chapters: 2 - Words: 1,078 - Favs: 1 - Updated: 3/2 - Published: 2/27 - Asriel, Chara, Toriel, Asgore D.
Gaster's Involvement by ArtisticVicu reviews
Prequel to Undertale: The UNDERGROUND Initiative was the only way to gain more time but once trapped in a massive cavernous tunnel, priorities shift. The Overworld Project continued while living became priority. But time blurs the line between good and bad, obscuring truth with history and blending what should never have been blended - those sharing the name W.D. Gaster being one.
Rated: T - English - Family/Drama - Chapters: 6 - Words: 36,915 - Reviews: 1 - Updated: 3/2 - Published: 3/1/2020 - Papyrus, Sans, Asgore D., Gaster - Complete
Sensations by Dragonsrule18 reviews
Underfell AU. Flowey has become Asriel again, and Asriel is adjusting to have his old body back. When his girlfriend Frisk proposes a trip to the beach, Asriel gets a chance to savor all the sensations he never realized he missed as Flowey.
Rated: T - English - Romance - Chapters: 1 - Words: 2,641 - Reviews: 1 - Favs: 3 - Follows: 2 - Published: 3/2 - [Frisk, Asriel] [Chara, Sans] - Complete
Front Porch by CoramDeo
Living on the surface, reunited with Asgore, and happy to be a mom again, Toriel is preparing a meal for her small family. She's miscounted how many children will be eating it, though.
Rated: K+ - English - Adventure/Family - Chapters: 1 - Words: 5,945 - Published: 3/2 - Frisk, Asriel, Chara, Toriel - Complete
Crash by Dragonsrule18 reviews
Pre-Boot Storyshift AU. Traveling along a dark forest path, Frisk and Mettacrit meet a mysterious, and rather beautiful, stranger. Running and screaming, faceplanting into a pole, pranks, games, and lots of flirting and blushing follow.
Rated: T - English - Romance/Friendship - Chapters: 1 - Words: 1,826 - Reviews: 1 - Favs: 3 - Follows: 3 - Published: 3/2 - [Frisk, Chara] Asriel, Mettaton - Complete
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. All he has to do is break through one wall... (A rewrite of DT.)
Rated: T - English - Adventure/Angst - Chapters: 79 - Words: 858,184 - Reviews: 1130 - Favs: 313 - Follows: 309 - Updated: 3/1 - Published: 12/28/2018 - OC, Chara, Monster Kid, Gaster
DoubleTale: Alternative by Pixelitus reviews
While you may have followed the adventures of Cter in another time, in another place, you know watch the story of an other person, can they get through the Underground and what it brings, or will they fall and perish.
Rated: T - English - Chapters: 1 - Words: 707 - Reviews: 1 - Published: 3/1 - Frisk, OC, Chara, Gaster
Une dernière promesse by Theta and Koscheii reviews
Cela fait six mois que Frisk vit loin de Nouvelle Nouvelle Maison avec Toriel, récemment promue première institutrice pour monstres et humains. Les grandes vacances sont l'occasion de renouer avec sa vraie famille, celle qu'il a sorti du mont Ebott presque cinq ans auparavant. Sans semble être le seul peu ravi de ce retour improvisé. Mais pourquoi donc ? Frisk décide d'enquêter.
Rated: T - French - Adventure/Friendship - Chapters: 40 - Words: 125,137 - Reviews: 2 - Favs: 5 - Follows: 6 - Updated: 3/1 - Published: 3/28/2020 - Frisk, Papyrus, Sans, Toriel - Complete
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: 81 - Words: 887,019 - Reviews: 52 - Favs: 68 - Follows: 67 - Updated: 2/28 - Published: 10/12/2019 - Frisk, Asriel, Papyrus, Sans
The house of madness by MNLMFangirl
When Frisk enters into a believed to be abandoned mental asylum she was not expecting to find more than she had bargained for. She now must navigate the floors of the asylum she is now trapped within to try to survive and to make it out alive. Finding potential dangers lurking around every corner. Will she make it out alive or be trapped there forever? Rated M for themes
Rated: M - English - Suspense - Chapters: 12 - Words: 63,107 - Favs: 1 - Follows: 1 - Published: 2/28 - Frisk, Papyrus, Sans, Chara - Complete
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: 82 - Words: 677,921 - Reviews: 150 - Favs: 75 - Follows: 73 - Updated: 2/28 - Published: 2/10/2017 - Frisk, Papyrus, Sans, Gaster
To ACT a Demon by JHBloodstorm reviews
Sequel to To SAVE a Demon (Slow updates)
Rated: T - English - Friendship - Chapters: 14 - Words: 24,364 - Reviews: 3 - Favs: 15 - Follows: 15 - Updated: 2/27 - Published: 4/26/2021 - Frisk, Chara
All Because Of You! by PsiOblivion
What would happen if the six human souls that were used to break the barrier ended up reviving themselves and returning to the surface with no memories of what transpired underground. They went on blissfully for many years... until the truth of what happened finally comes out. Now the humans whom were killed are looking for answers.
Rated: K+ - English - Drama/Hurt/Comfort - Chapters: 5 - Words: 18,897 - Favs: 3 - Follows: 3 - Updated: 2/27 - Published: 1/31 - Frisk, OC, Toriel, Asgore D.
HopeTale by Pinkmistle06 reviews
This is an AU of Glitchtale, by Camila Cuevas. Enter the world of HopeTale as three monsters escape the grasp of the humans before the barrier is installed, and meet friends in strange places. For one of them, our main heroine, shall save them all with the power of the heavens and HOPE. The AUs shown in this AU aren't mine, but the AUs of my AU are.
Rated: T - English - Adventure/Friendship - Chapters: 40 - Words: 61,372 - Reviews: 3 - Favs: 7 - Follows: 5 - Updated: 2/27 - Published: 2/17/2021 - OC, Sans, Undyne
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: 65 - Words: 177,911 - Reviews: 77 - Favs: 70 - Follows: 85 - Updated: 2/27 - Published: 7/18/2017 - Frisk, OC, Sans, Chara
Ghost friend by UnDeterminedSoul reviews
Sharing a body and a mind with someone else isn't always easy, especially when its supposed to be kept a secret. Frisk and Chara are stuck together, probably for life, and now the two of them have to learn to live with one another. A collection of short wholesome stories with Frisk and Ghost!Chara. (Post pacifist ending, both use they/them) This fic takes ideas if you have any !
Rated: K+ - English - Humor/Family - Chapters: 2 - Words: 4,381 - Reviews: 1 - Favs: 7 - Follows: 7 - Updated: 2/27 - Published: 2/23 - Frisk, 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: 227 - Words: 881,566 - Reviews: 372 - Favs: 413 - Follows: 385 - Updated: 2/27 - Published: 6/17/2016 - Frisk, OC, Papyrus, Sans
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