A great addition to the award-winning I SPY series, I SPY Mystery gives you the excitement and suspense of solving 13 fascinating mysteries.Discover a new way to play I SPY with 13 elusive mysteries that need your super-sleuth skills. Choose a case file, and then earn mystery clues by solving I SPY riddles and searching for carefully concealed objects. Use your problem-solving skills to follow the clues to solve the case of the Locked Gate, Midnight Mouse, Knight Fall and many more clever...