Ask a new question Source codeĭCode retains ownership of the 'Mono-alphabetic Substitution' source code. In game-play journals, substitution games / exercises are often called cryptograms. There are also substitutions that use several alphabets, alphabet that changes depending on an algorithm defined by encryption (e.g. First, some substitution use specific alphabets, such as Atbash that takes the alphabet backwards ZYXWVUTSRQPONMLKJIHGFEDCBA or the Caesar cipher which uses a shifted alphabet DEFGHIJKLMNOPQRSTUVWXYZABC that is shifted by 3.
