http://poptropicacheatz.com - Part 1 of the complete walkthrough for Poptropica Mystery Train Island. In this island, it's 1893, and some of the world's brightest minds are traveling by train to the World's Fair in Chicago. But after a dastardly crime puts the fate of the Fair in peril, only you can piece together the clues and collar the criminal. All aboard for a whodunit that will keep you guessing until the last twist of the tracks! This video contains all of the cheats, secrets and tips for Poptropica Mystery Train Island.