AU. Ten years ago, on a solemn hour, one trivial mistake breaks Lapis Lazuli free. Fueled with hatred, she seized the Crystal Gems' most prized possession; their legacy; their Steven, and fled into the night. History as you know it, has been rewritten since then. [Covers for this story by SsjGojux20.]

Major AU! Dipper Pines made his choice...And now his family is shattered...And the closest thing he ever had to a mom...Wants him dead.(Adopted by 'Fanfic Tache')(multiple-adoptions still allowed!) IMPORTANT ANNOUNCEMENT!

Based off the age-reversed AntiGravity AU. Where Wendy and Soos are twelve, and the twins are fifteen. Find out what kind of rollicking adventures these rapscallions get into!

The sequel to "The Green Flash" crossover extravaganza! An alien invasion in Gravity Falls leads into a harrowing struggle for the fate of friends to both Universes. Once connected, it seems some worlds are impossible to separate.

Mabel Pines and her family move to their Great Uncle Ford's house/tourist trap; 'The Mystery Shack' in Gravity Falls. With Mabel in deep depression, Ford finds someone who he can finally relate to. But she was so broken, he didn't want her to live in this state of sadness.

Weirdmageddon is over. Dipper and Mabel are back in California Piedmont. When Dipper thinks back to everything that happened, he should be thinking about the awesome Shacktron battle or Stan almost becoming an Amnesiac for the majority of his life but instead he finds himself thinking about something that seems to have passed everyone's radars. Dipper and Mabel twin bonding.

Mabel wants to give a small but heartfelt poem to Grunkle Ford but he snaps at her for entering the basement without permission. Can he cheer her up after seeing the broken state she's in after his outburst.

A thunderstorm occurs during night which leaves Mabel in an uncomfortable situation. Dipper leaves his bed and immediately tries to comfort her.

This is a Steven Universe AU, it pretty much is a switch between characters! Lapis is in Steven's place and Steven is in Lapis's place, however what happens to Lapis doesn't happen to Steven its very different! -Steven was banished into a mirror and sent to earth, he was founded by the enemy and released. Now that he is released he has no idea who to trust, and is very scared.

It's the Pines twins' fifth summer in Gravity Falls when Pacifica feels the need to defend herself: she does not have a blatantly obvious thing for Dipper Pines. Honest. Who likes nerds who wear the same hat for five years anyways, no matter how tall they've gotten?

When a series of supernatural events entwine the fates of two totally separate universes, a couple of adventurous young kids will discover drama, danger, and friendship across realities! It's tough being a stranger in a strange land...

Partial-gem twins Mabel Dioptase and Dipper Diopside Pines are sent to live with their gem of a grunkle, Stan, to keep them safe while their hometown is overrun by gemmed monsters. As their dad fights them off, Mabel and Dipper must figure out their magic before they can go home, and unlock the secrets of Gravity Falls along the way. (Gravity Falls full-series rewrite for an AU)