Enigmaappears in Enigma

Enigma is a machine that generates many different codes. It has one flaw: it does not decipher a letter as itself. For example, the letter A would never emerge as an A.

Sharkappears in Enigma

Shark is a code used by the Germans. It is impossible to crack.

Bletchley appears in Enigma

Bletchley is the town where Bletchley Park is. It is a depressing, English town in the middle of nowhere.

Bletchley Parkappears in Enigma

Bletchley Park is the government communication headquarters for the British navy. It is also referred to as "the Park."

Cambridgeappears in Enigma

Cambridge is a town in England known for prestigious Cambridge University. Jericho studied there and was recruited into cryptology there.

blackoutappears in Enigma

A blackout is cryptology speak for when a code cannot be cracked and the enemy's messages cannot be intercepted.

Hut 8appears in Enigma

Hut 8 is...