Here's your chance to crack ciphers similar to those Bletchley Park's codebreakers faced during World War II. Below, we present three ciphers of different levels of difficulty, from easiest to ...

This was one of the most secure hand ciphers used in the Second World War. It was used by both the Allies and the Axis, and served both well. Its main weakness was that if the attacker intercepted ...

A cipher is a code used to protect information ... Cut out the templates if you are using them and skip to step 3. If you're making your own wheel, draw around the bottom of a glass, bowl, or ...