It was dark, you could see nothing. Two white firgures were fighting each other. You hear a voice of a 12-year old boy. ------------------------------------------------------------------------------------ In this world, it's kill or be killed, ...
With a freak accident, Cory has been hit with an unstable ray. Simultaneously, Cory from all of the AUs that have been created also have been hit with the same unstableness . Now, these multiple...versions are popping in and out at an unpredictable rate. Who will come next? P.S. You can request any AU like FallOut or...
Mabel and Dipper were an unbreakable duo of adventures, they were the Mystery Twins, until they were both chosen for different colleges. After a year of college, they both come back to Gravity Falls for a family reunion, everything is different. Mabel is pulled back into a mystery while Dipper ignores the strangeness...
Marco was a mess. His best friend was gone and he was stuck working together with a perky two year old. Mabel was determined. She was ready to get her brother back, no matter what it takes. Even if she had to work with a teenage safe kid. Star and Dipper were gone. Taken by an unknown enemy. I do not own Gravity Falls...
Mabel and Dipper return to Gravity Falls for another year of fun. But when a familiar enemy comes to settle the score, the twins aren't ready for the impact left on their family. ⚠WARNING⚠ You are going to cry. I do don't own Gravity Falls.
Star the popular girl wants two things: 1) get the lead role in the school play and 2) be noticed by her crush Marco, a geek. School, the play, and the social hierarchy are already hard enough to juggle, but she'll stop at nothing to achieve her goals, even if she realizes that maybe those two things are not all that...
The Mystery Shack and its woods were quiet. It was cut off by Mabel's screaming, crying at what she saw. . Second Summer at the age of eighteen, Dipper and Mabel couldn't be more ecstatic to see their Great Uncles once more, even their friends back at the Shack. But all they saw was red with the words Mystery all over...
It only took one last mistake to convince Stars mother to send her to St. Olga's Reform School for Wayward princesses. After being away for a year, she finally returns home to Marco and his family. Things don't seem to be the way they were, and now Marco is trying to remind Star of who she was. They both seem to disc...
Cover art is NOT MINE! It was one of my computer backgrounds! I wish I knew whose it was! If you can tell me whose it was please do in the comments! I was never quite satisfied with the Gravity Falls/Undertale crossovers I read, so I decided I ought to write one I was satisfied with. I'll take my favorite elements fro...
Other title ideas/ working titles: M&M, Skele-Twins, Chaos Falls The Mason and May thing is largely to differentiate them from Canon!Dipper and Mabel but it's also their preferred names in story for the most part. I spend/spent a lot of time thinking about what I would do in various scenarios and character...
This is just to let you guys know what different types of AU's are out there for Gravity Falls. This will go through the AU's. If you have a request of one I will try my best to do my little research on it. Otherwise... You're welcome. (◕‿◕✿) None of these ideas are mine.
While exploring Mount Ebott(which was one of the mountains that surrounded Gravity Falls), the Mystery Twins Dipper and Mabel accidentally fell into a huge pit, which led them into the underground where the monsters lived and roamed around. Will they be able to make it out alive without hurting anyone? Or will one of...
I changed the cover because some people still thought it was a Gravity Falls crossover even though I said it wasn't. I'm really sorry for all the confusion. This cover is still temporary. Pokemon Black is my favorite game of all time, but more for what it could be than what it actually is. The story has huge potenti...
After finding a box of kittens Mabel decides to take them all home, but when Bill asks for one and instead turns Dipper into a cat, WHAT WILL HAPPEN?
(Cover soon to come) In an AU where spirits frequently roam the world, spirit animals crossing a rift is a common occurrence. But when a rift opens in Gravity Falls, two children tumble out. Wendy, out on a bike ride, discovers them and takes them home. But will she know how to take care of them? (Note: This is an ent...
Star and Marco are finally seniors in high school, when the class decides to go on a field trip to Florida.. what would happen between the two when Marco still has the hots for Jackie, will star win Marco over before or after the trip is over? will she even tell him? find out...
Star Butterfly was supposed to be the heir to the throne of Mewni. Star Butterfly was supposed to live her teen years as carefree as possible. Star Butterfly was supposed to be enjoying her life. Star Butterfly was NOT supposed to lose everything she ever knew and loved. All she wants is to go back home. - WAR AU WA...
Dipper and Mabel think they might have finally uncovered the true horrors that take place behind the quirky façade that Gravity Falls creates. However, their discovery leads to them becoming the playthings of a sadistic, malevolent dream demon, who forcefully possesses their bodies and relentlessly tortures them both...
HERE IT IS! Mafiatale! NOT MY AU! My own version. SANSXFRISK They my OTP. I hope you like this story! Another Fransfic to go!
I have never thought I could lose everything I had to a tragic virus outbreak. The only thing that seems to be keeping me sane is my sister, Mabel. Heck, she's probably the only reason why I have any fight left in me. I don't know what I'd do without her by my side. In an apocalyptic world, there is only one thing I n...
In the sleepy town of Oregon, it's going to get a little weirder, it's going to get a little wilder. When two teens arrive out of the portal, Stan's plan is ruined. As Mabel and Dipper get to know their new guests, they discover their names are Star Butterfly and Marco Diaz. Dipper, being the monster hunter he is, so...
[COMPLETED] Unintentional dimension travelling. That's basically the whole plot of this fanfiction. After chanting a spell without any second thoughts (thanks a lot Mabel), Dipper and Mabel have to find their way back to their home dimension by visiting other unusual realities in the whole universe. Some dimensions ar...
*SPOILER WARNING* This fic takes place after the events of Face the Music and Weirdmageddon Pt 3. Later chapters also contain spoilers for The Battle for Mewni, so be weary of that as well. Feel free to give feedback and suggestions, I'd love to know what you guys want to see from this ❤️ I do not own any characters f...
(Hiatus)Bill left a letter for the rebels saying it was only the beginning. Now they all prepare to go down fighting. Gideon is rising up in power very quickly, while the rebels start to dwindle in numbers. What once was a quiet town, Gravity Falls is now a war zone. This is the sequel to Rebel Falls written by @dem...
"Summer forever.Just you and me,Dipper.Isn't that what we always wanted?" --------------------------------------------------- Bill Cipher finds a new villain in need of his calling.Mabel Pines.A heartbroken girl who is scared of growing up and is afraid to lose her brother,who is on the edge of her fingertips.He manip...
NOTICE! THIS STORY ISN'T COMPLETE NOR COMPLETELY EDITED! SOME PARTS MAY SUCK, BUT WHEN I AM DONE I WILL CLEAN EVERYTHING UP! Tom (demon ex boyfriend Tom) is furious. He had another chance to fix things with him and Star and failed all because of Marco Diaz. Thirsty for revenge he immediately makes a deal with Bill. S...
Star Butterfly is a demon. Marco Diaz is an angel. Now normally, demons and angels aren't supposed to friends, but eventually the two do when Marco is sent down to Earth from heaven. Only two weeks the partners have to look for Star's greatest enemy and prove her innocence. But will they be able to find them in enough...
Hello I'm Ashley113101 I wanted to make another Starco book I know I have two out and you guys actually like them so I'm inspired to write more In this book the roles are different and by different I mean personality wise and plot almost.. Marco Diaz is The Bad Boy... Star is the Polite Princess she was supposed to be...
Summer Keen is a famous pop star who secretly lives a double live, also as Star Butterfly. But when you're a celebrity, not everything is all glitz and glam for this teen, especially if Toffee is the boss. Star goes to an old friend for a place to stay after she runs away. Yet plans soon change as she finds herself st...