A modern city rally awaits you, during which you will tackle tricky puzzles whilst uncovering interesting information. From the very first task, you will be already immersed in a world full of hidden clues and mysterious hints. You'll actively communicate with each other, getting closer to each other as you enrich your peers with your knowledge. You decide when you start and finish your adventure, completely independent of travel guides and groups. To participate, you only require a smartphone with an active internet connection. After you redeem your voucher for this city quest on the homepage, your guides will immediately send you a start link via mail. From there you can start the scavenger hunt by accessing the link through your smartphone. You will follow the route that takes you from one showplace to the next, answering clever questions and solving tricky puzzles on the way. During this tour, you will visit sights such as the Cologne Cathedral, Hohenzollern Bridge, the Roman-Germanic Museum, Town Hall Square, the Fragrance Museum, as well as other Cologne attractions. If you have trouble solving a task, you can use the system to get multiple clues and even display the correct answer. Of course, you are free to use the internet as a source of knowledge. At the end of each task you will receive exciting information and entertaining stories about the relevant sight.