Clue by Clue (Carmen Sandiego)

When the secrets of a centuries-old treasure map are uncovered, it's up to Carmen Sandiego and crew to puzzle out the pirate's code and track down a long-lost treasure. From the cobblestone streets of London to a sunken city in the Caribbean, Carmen must stay one step ahead on a trail of clues in order to beat her nemeses to the buried treasure! Using the special built-in decoder, you can help Carmen unlock the map's clues and make sure this pirate's booty finally ends up in the right hands.