Discover Prague’s historic locations, by following clues and solving puzzles on your phone which lead to new places and exciting stories. Play an engaging exploration game, reenacting the role of the city's head doctor during the Black Plague outbreak.Start the game at the Statue of Charles IV. It will take you around 1 hour to complete and you can also explore at your own pace. Pause the game and resume anytime from the location where you paused it. You will finish at the Church of St Castulus.