Question: what are the ciphers in gravity falls?
Answer: They use Caesar ciphers, Atbash ciphers, the A1Z26 cipher, and keyed Vigenère ciphers. Episodes 1-6 are Caesar ciphers, Episodes 7-13 are Atbash ciphers, Episodes 14-19 are the A1Z26 cipher, Episodes 21-30 are Vigenère ciphers, and Episode 20 and 31 are Combined ciphers.