A mysterious letter. A treasure hunt. Can you solve 10 puzzles and outrace your enemies to a lost fortune. Ryan Creed is a cryptology professor with a passion for solving even the toughest of riddles. A letter from an unknown client leads him to Seattle, where he accepts a new assignment: to find a cache of priceless lost coins. With help from the multitalented Sarah Corbet, Ryan embarks on his quest--but there are other, more sinister,...