Discover the city's fascinating history and attractions as you solve clues around Vienna. Explore this beautiful Austrian city by playing a quest with your friends, significant other, or family. Receive your access code by e-mail upon booking the tour and use the code in the app. Wander around Vienna for about 1.5 hours to complete your quest. However, there's no time limit, and you are free to explore the city at your own pace. You won't need a guide, just download the app, go to the starting point, and be ready to begin the adventure.  Solve clues and guess the answer to unlock the secret story of each place. Play as a large group and solve the clues together; one person can purchase access for the entire group by selecting the number of people in the group. All group members will be able to play the city game on their smartphones. You can also split into teams and compete against each other or purchase an individual ticket.