Gravity Falls Rule 63 is a storyline created by Stinkfly3. It features genderbent versions of various Gravity Falls characters, although some of them are slightly different from the originals.
This contains examples of the following tropes:
- Alternate Universe: As confirmed in The Alternate Dimension.
- Rule 63: Isn't it obvious?
- Scenery Porn: Gravity Falls is a beautiful place. Dana lampshades this in "Tourist Trapped".