Gravity Falls and Undertale
Crossovers
GravityTale by I'mWishingforaStarRod reviews
Fight or spare. Kill or save. Salvation or destruction. When Mabel Pines fell into the Underground, she had two choices. And the fate of everyone she met depended on what choice she made. (An Undertale/Gravity Falls AU staring Mabel as Frisk! Massive work in progress!)
Rated: T - English - Supernatural/Adventure - Chapters: 2 - Words: 3,399 - Reviews: 14 - Favs: 21 - Follows: 22 - Updated: 3/20/2016 - Published: 1/19/2016 - Mabel P., Flowey
undertale : the tale continues by yoga5631 reviews
sequel to undertale : tale of two souls. a few weeks after the monster freed. all was well till a certain demon got freed from his prison set from dipper and mabel vs the future
Rated: K+ - English - Adventure/Fantasy - Chapters: 11 - Words: 22,435 - Reviews: 7 - Favs: 12 - Follows: 12 - Updated: 3/15/2016 - Published: 2/26/2016 - Complete
UnderFalls by NutsieDreamer reviews
Dipper and Mabel find themselves falling down into the depths of the mountain; it holding mysteries and secrets that were hidden away in the lore and history books in the town that they live in, at the base of the mountain. Accidentally falling down, the twins find themselves in more mystery and danger than either of them had wanted. A Gravity Falls and Undertale Cross-over.
Rated: K+ - English - Family/Adventure - Chapters: 1 - Words: 9,461 - Reviews: 3 - Favs: 9 - Follows: 12 - Published: 3/10/2016 - Dipper P., Mabel P., Grunkle Stan, Bill
undertale : tale of two souls by yoga5631 reviews
Dipper and Mabel were adventuring in the darkside of the wood and they accidently fall down into a hole little do they know that the greatest adventure of their lifetime is ahead of them . undertale belong to toby fox and gravity falls belong to disney
Rated: K+ - English - Fantasy/Adventure - Chapters: 14 - Words: 28,416 - Reviews: 14 - Favs: 27 - Follows: 20 - Updated: 2/25/2016 - Published: 1/30/2016 - Dipper P., Mabel P. - Complete
The Angel of the Monsters and The Mystery Twins by Flurryheart 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.
Rated: T - English - Fantasy/Friendship - Chapters: 2 - Words: 1,071 - Reviews: 9 - Favs: 18 - Follows: 34 - Updated: 2/15/2016 - Published: 2/1/2016
Dipper in Undertale Genocide by Dipper plus Mabel reviews
What if Dipper fell into the mountain in which Undertale occured and met the characters in the Genocide timeline? What will the outcome be? Not good, that's for sure...Rated K. Rating may change in the future.
Rated: K - English - Mystery/Supernatural - Chapters: 2 - Words: 713 - Reviews: 14 - Favs: 19 - Follows: 30 - Updated: 2/14/2016 - Published: 12/25/2015 - Dipper P., Papyrus, Chara, Flowey
When A Star Falls by Grimarisen22 reviews
After having a fight with her twin brother Dipper Pines, Mabel runs away towards a mountain, to get away from him and the harsh reality. Upon reaching the mountain, she accidentally stumbles down a deep hole. Who knew that underneath the mountain, lies a great mystery?
Rated: T - English - Adventure/Mystery - Chapters: 2 - Words: 3,101 - Reviews: 22 - Favs: 38 - Follows: 57 - Updated: 1/13/2016 - Published: 1/8/2016 - Mabel P.
Deal With a Devil by True Pacifist reviews
Summary in beginning of chapter-Also published on AO3 Please feel free to leave any feedback or comments
Rated: T - English - Adventure/Hurt/Comfort - Chapters: 13 - Words: 13,027 - Reviews: 45 - Favs: 78 - Follows: 54 - Updated: 11/23/2015 - Published: 10/24/2015 - Bill, Papyrus, Sans, Chara - Complete
Falling Under Gravity Falls by epiclicious reviews
Stan knew of the mysterious children disappearances around Gravity Falls' Mt. Ebott. So, he did the best he could to stop Dipper and Mabel from going there when they came to Gravity Falls, and protect them from the dangers of the town. CO-WRITTEN WITH Sallymeow1! GIVE US YOUR FEEDBACK and THANKS IN ADVANCE!
Rated: T - English - Adventure - Chapters: 1 - Words: 796 - Reviews: 8 - Favs: 19 - Follows: 38 - Published: 11/3/2015 - Dipper P., Mabel P.