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MagicaTale by
Pep Pizza reviews
In this AU, the Undertale characters are put into the world of Madoka Magica! Will Papyrus wish a new body for Mettaton? Will Frisk manage to make her wish to save her friends? Or will Sans save her from making it? And is Flowey really an innocent little creature, or an incubator in disguise? But a sacrifice is needed for every wish, and it seems Sans is prepared to do anything...
Crossover - Puella Magi Madoka Magica/魔法少女まどか★マギカ & Undertale - Rated: K+ - English - Fantasy/Hurt/Comfort - Chapters: 13 - Words: 50,150 - Reviews: 17 - Favs: 23 - Follows: 17 - Updated: 8/10/2017 - Published: 4/16/2016 - Frisk, Papyrus, Sans, Alphys
Old Friends by
HappyPup1 reviews
Frisk was just taking Flowey up to the surface. normal Flowey Pot AU stuff right? but when Frisk reaches Waterfall a mysterious pink lion arrived carrying someone Frisk thought they'd never see again. Flowey Pot AU!
Crossover - Steven Universe & Undertale - Rated: K+ - English - Family/Humor - Chapters: 9 - Words: 6,276 - Reviews: 54 - Favs: 58 - Follows: 67 - Updated: 1/30/2017 - Published: 5/26/2016
Professor Layton and the Gilded Buttercup by
Ferrous Flowey reviews
There's trouble brewing in London, and Clamp Grosky suspects it has something to do with the underground housing project said to host bizarre beings once deemed fiction. Of course, that's simply a rumor planted to scare people away from the criminal truth of the matter. Or at least, that's what Grosky thinks until he discovers a very strange creature unconscious in an alleyway…
Crossover - Professor Layton & Undertale - Rated: T - English - Drama/Adventure - Chapters: 3 - Words: 3,548 - Reviews: 26 - Favs: 29 - Follows: 59 - Updated: 1/23/2017 - Published: 1/1/2016 - H. Layton, Inspector C. Grosky, Frisk, Undyne
A Universal Tale by
GoldenLoftwing reviews
Frisk and Chara have been tasked to find a good human city to begin intersecting humanity and monsters. Instead of any normal city, they instead find Beach City. Can Frisk, Chara, and Flowey convince the humans to let them live with monsters? Or will Chara have to go to 'drastic measures' to make sure their family is safe? (As Always: T For safety) (AU details inside)
Crossover - Steven Universe & Undertale - Rated: T - English - Adventure - Chapters: 6 - Words: 6,775 - Reviews: 53 - Favs: 131 - Follows: 171 - Updated: 9/5/2016 - Published: 1/23/2016 - Steven U., Frisk, Chara, Flowey
Blank Slate by
SneaselXRiolu reviews
With everyone living together in one house, can they out weird Beach City? Undertale belongs to Toby Fox, and Steven Universe belongs to Rebecca Sugar.
Crossover - Steven Universe & Undertale - Rated: K+ - English - Spiritual/Hurt/Comfort - Chapters: 8 - Words: 7,487 - Reviews: 46 - Favs: 86 - Follows: 95 - Updated: 7/31/2016 - Published: 1/18/2016 - [Frisk, Sans] Steven U., Lapis Lazuli
First, There Was A Flower (An Undertale Fanfic) by
Greg Jonson reviews
/POST-PACIFIST\ A story that starts some time after the events of Undertale - the true pacifist route. Asriel lives - see the Prologue for a rough explanation - and fights to accept his feelings for Frisk. So, yeah, this is the story of an Asrifrisk ship. :D
Undertale - Rated: T - English - Fantasy/Romance - Chapters: 13 - Words: 32,863 - Reviews: 41 - Favs: 50 - Follows: 53 - Updated: 6/19/2016 - Published: 2/10/2016 - [Frisk, Asriel] OC, Muffet - Complete
Harry Potter and The Child of the Underground by
myster emm reviews
One year after defeating Voldemort... One year after the barrier is broken... The meeting of two heroes fills you with DETERMINATION.
Crossover - Harry Potter & Undertale - Rated: T - English - Chapters: 3 - Words: 2,269 - Reviews: 71 - Favs: 125 - Follows: 184 - Updated: 4/10/2016 - Published: 2/1/2016 - Harry P., Frisk
Power Made you Blind by
FullMetalPon-3 reviews
A new population of monsters has appeared, and the gods are worried by their ability to absorb souls. However, knowing that the key to their victory lies in a small child, they send off their own children to get it for themselves. Can the monsters convince them of their folly? Or will it be GAME OVER for good?
Crossover - Percy Jackson and the Olympians & Undertale - Rated: T - English - Adventure/Friendship - Chapters: 21 - Words: 37,234 - Reviews: 368 - Favs: 267 - Follows: 220 - Updated: 3/13/2016 - Published: 1/15/2016 - Annabeth C., Percy J., Frisk, Sans - Complete
Swaptale Revamp by
JozuKurosaki reviews
When Frisk and Chara in each of their respective timelines are swapped at pivotal moments in their journey, neither is prepared for the fallout from the strange glitch. Now, both timelines are in jeopardy. (A revamp of the Swaptale comic and contains changes. Permission given by ScotchTapeOfficial).
Undertale - Rated: K+ - English - Adventure/Mystery - Chapters: 4 - Words: 16,073 - Reviews: 37 - Favs: 78 - Follows: 88 - Updated: 3/2/2016 - Published: 12/23/2015 - Complete
Undertale: Universes Collide by
HeartlessCore reviews
After an attempted but failed Genocide run, Frisk resets the game before finishing attempting to kill Sans. She believes that with this fresh start, she can fix all that she had done. At a point Frisk is invited to stay the night. A stranger arrives during the night, turning their worlds on their head. OC, Other AU's, and Time Shenanigans involved. 15 yr-old Female Frisk. Spoilers.
Undertale - Rated: M - English - Sci-Fi/Adventure - Chapters: 9 - Words: 20,848 - Reviews: 8 - Favs: 11 - Follows: 15 - Updated: 1/27/2016 - Published: 11/27/2015
Saving SOULs by
xxApocalypsexx reviews
When someone is in trouble, it's not in Frisk's nature to leave them. He'll go out of his way to SAVE them. Male Frisk, Female First Child.
Undertale - Rated: T - English - Hurt/Comfort/Friendship - Chapters: 5 - Words: 22,970 - Reviews: 46 - Favs: 119 - Follows: 117 - Updated: 12/20/2015 - Published: 10/30/2015 - Frisk, Asriel, Chara
Sort: Category . Published . Updated . Title . Words . Chapters . Reviews . Status .
Experiments Gone Wrong reviews
Alphys, Sans, and Asgore have an idea to protect the monsters that goes somewhat wrong... I don't own Undertale Rated T for caution. Female 9-year-old Frisk.
Undertale - Rated: T - English - Supernatural/Adventure - Chapters: 2 - Words: 1,045 - Reviews: 6 - Favs: 6 - Follows: 12 - Updated: 2/22/2016 - Published: 2/18/2016
The Angel of the Monsters and The Mystery Twins reviews
Frisk is running in a forest away from "something" when she meets 2 twins. They have to unite to defeat Bill and bring Flowey back to normal.
Crossover - Gravity Falls & Undertale - Rated: T - English - Fantasy/Friendship - Chapters: 2 - Words: 1,071 - Reviews: 9 - Favs: 17 - Follows: 34 - Updated: 2/15/2016 - Published: 2/1/2016
Save the World
Frisk has to save both Asriel and Chara to form a team to fight against darkness.
Undertale - Rated: T - English - Supernatural/Family - Chapters: 2 - Words: 1,127 - Follows: 1 - Published: 2/12/2016
Ni No Kuni: Magic Within (One) reviews
it was just a few days after Oliver saved the other world, but there was a new girl at school he could have sworn knew magic from the other world. after he figures out this mystery, he finds himself in the hunger games! i would normally make oliver 10, but because of funny jokes, hes 13 in this. rated T for caution
Crossover - Hunger Games & Ni No Kuni - Rated: T - English - Fantasy/Family - Chapters: 3 - Words: 1,060 - Reviews: 2 - Favs: 2 - Follows: 1 - Updated: 4/20/2015 - Published: 4/8/2015 - Oliver, OC
Wizard101: A Strange Tale reviews
Katie and Destiny where having a nice time together practicing in order to go their first time to Krokotopia, until they learn they are being chased, that is... Rated T for caution WARNING: I. DO. NOT. KNOW THE FULL STORY OF WIZARD101!
Wizard101 - Rated: T - English - Chapters: 1 - Words: 597 - Reviews: 2 - Favs: 1 - Published: 4/19/2015