List of cryptograms

The following is a list of cryptograms from the Gravity Falls episodes. There is a cryptogram during the credits of each episode. They use a Caesar cipher with a shift of 3, i.e., the letters are shifted 3 places down. A becomes X, B becomes Y, and so on.

Cipher table

Made Me Realize
During the intro, there was a cryptogram that read "VWDQ LV QRW ZKDW KH VHHPV." Once decoded, it reads "STAN IS NOT WHAT HE SEEMS."

Mystery Shack Mystery
During the the game, look on Stan's desk to see a cryptogram that read 'QRWLFHG VWDQV WDWWRR." Once decoded, it reads "EVER NOTICED STANS TATTOO."

Tourist Trapped
During the end credits of this episode, there was a cryptogram that read "ZHOFRPH WR JUDYLWB IDOOV." Once decoded, it reads "WELCOME TO GRAVITY FALLS."

The Legend of the Gobblewonker
During the end credits of this episode, there was a cryptogram that read "QHAW ZHHN: UHWXUQ WR EXWW LVODQG." Once decoded, it reads "NEXT WEEK: RETURN TO BUTT ISLAND."

Headhunters
During the end credits of this episode, there was a cryptogram that read "KH'V VWLOO LQ WKH YHQWV." Once decoded, it reads "HE'S STILL IN THE VENTS."

The Hand That Rocks the Mabel
During the end credits of this episode, there was a cryptogram that read "FDUOD, ZKB ZROW BRY FDOO PH?" Once decoded, it reads "CARLA, WHY WONT YOU CALL ME?"