The Polybius Square Cipher is a cipher where the letters in the message are turned into numbers.
When solving the Polybius Square Cipher, the player is given an encrypted message and a table. To decrypt the message, the player will need to use the table. Each letter is made up of two numbers, the first being the row it is in and the second being the column it is in.
encrypted message: 132435231542
decrypted message: cipher