Mystery Train

Mystery Train Island is an upcoming island on Poptropica.

Plot synopsis
Mystery Train Island takes place during the 1893 Chicago World's Fair. Here is the description from Poptropica: How do you solve a mystery when everyone is a suspect? 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!

Sneak Peek
You can play a sneak peek game for Mystery Train Island called "D.C. Diner". It's kind of like Diner Dash. You have to get people the food/drink they ordered, wash their dish and serve the next people in 1 minutes and 30 seconds. Also when someone is done 30 seconds is added to the clock.

Trivia

 * As of 16 August 2011, it is unknown of what the crime is (as seen in the description)
 * As Counterfeit Island, it a investigation crime island