It was going to be a normal summer by the looks of it, but when your parents send you to Gravity Falls to stay with your Uncle Dan, you were expecting it to be a normal summer, but when you and the Pines twins take a trip to a "cursed" river, everything goes sideways, not to mention the fact that you might have a crush on your newfound friend.

Everyone knows the famous Gravity Falls AU 'Monster Falls'. After one day when Dipper falls into a strange river, everybody in Gravity Falls turns into a strange monster! How can they fix it and what weird adventures will they go on? Also, Gravity Falls doesn't belong to me!

The sequel to monsters within Will Dipper change everything back? Or will bill get under his skin? The magic flower lies in Dipper's hands. What will he do? I MADE THE COVER PAGE ART

Mabel's POV: I awoke in a vat of blackness. Everything was black, everywhere. Where was Dipper? Where's everything? I looked at myself, apart from the sword sticking through my chest, I looked normal. Well, as normal as a human turned mermaid can be. I sat down on the endless black floor. Where am I? •••••• -Sequel to, 'A Rivers Side Affects' -

Bill cast a spell on the town of Gravity falls. Suddenly everyone is a monster. They want to turn back, but they don't know how. And, they can't leave the town because Bills spell only affected Gravity Falls. What will happen?

A Gravity Falls AU Fan fiction

(FIRST EVER FANFIC) Dipper goes into the woods to investigate a mysterious river. Little does he know that this river can cause some serious side effects. Gravity falls is not owned by me! This is a fanfiction! Gravity falls is owned by the AMAZING ALEX HIRSCH!

both Mabel and dipper are mermaids in this don't judge! (Some of this story will be rewritten )

Gruncle Stan opened the portal. Now were going close it. Hi, I'm Dipper Pines. Me and my sister mabel have been uncovering the secrets of our town in Gravity Falls, Oregon. But the biggest secret yet was the Author of the journals. Now the portal will not shut down and Bill Cipher, our little triangle demon, has been causing chaos. The only way to stop him is to enter the portal and save our world. But something tells me that the one were going into will not be what we think it is. Monster Falls; based on Gravity Falls TV show.