Stray Boots Urban Games is an interactive tour that sets friends and family members loose on an exhilarating, knowledge-fueled undertaking guided by text-message clues, trivia, and riddles. They operate in cities across the country, dividing them into special game zones that contain the historical sites, local areas of interest, or eccentric child mayors unique to each city. During the explorations, clues point the way to cultural hot spots, which Stray Boots communicates to players via text message. At least one player on the team will need a U.S. cell phone to receive clues, and none of the self-guided tours require previous knowledge of the city. Adventurers play at their own pace—most zones take two to three hours to finish—which allows them to spend more time learning about the city and photographing vibrant fire hydrants for aquacentric scrapbooks.