a quiz game based on the Vigenère poly-alphabetic substitution cipher which has seventy messages to decrypt by answering six questions per message by answering a question a letter in the cipher key is revealed, once all six questions have been answered correctly the message can be decrypted, be aware though, you will only have three attempts to crack the cipher key otherwise the message is lost questions are split into six categories: music, movies, world, food, books and general knowledge PLAYING A GAME to play a game, click the "play" button on the home screen, when the game starts, the screen will show the six question buttons, the cipher key values and the encrypted message click a question button to see the question and using the letter keys select the required letter once all six questions have been answered the decrypt button will be shown, clicking the button will either decrypt the message or inform you that one or more letters are incorrect the game ends once all six questions have been answered correctly and the message has been decrypted or three failed attempts have been made to decrypt the message RESULTS to check how you are doing, click the "results" button on the home screen