How to Decipher a Substitution Code
Video info
Type Regular Meeting
Meeting 6
Upload date Dec 4, 2013
Writer and Director Douglas MacKrell
Previous Dipper's Secret First Name
Next Larry Hal Larrimore and the Inspiration for Lil' Gideon
How to Decipher a Substitution Code is the sixth meeting of the Royal Order of the Holy Mackerel.




  • The Codes on the Thumbnail are in Alchemy Font Cipher and translate to KEEP TRYING and IT'S NOT AS HARD AS IT SEEMS.
  • The half decoded example on the Thumbnail in Bill Cipher's Font translates to HOW DO I DECODE THIS?


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