-What you can expect- Join the ultimate self-guided Scavenger Hunt in Berlin downloadable on your mobile phone! Go to the starting point and start the hunt on your mobile phone. The Captain of Köpenick needs your help to complete his top-secret mission. Walk through squares, monuments, religious and cultural sites, and buildings with mindblowing architecture...Through the app, you'll read stories, solve riddles and quizzes for each new place you visit, engage with your surroundings, and discover exciting facts at each stop. The best explorer gets the biggest collection of gems and wins special rewards in selected local souvenir shops and museums.