You will explore Lisbon in a different way. This Scavenger hunt gives you the opportunity to compete against your friends and be the first to locate and open a Box that is hidden in Lisbon. By reaching GPS locations and answering riddles and quiz about each place, your score will increase. At the last location of this rally, in a magnificent private palace, you will receive 5 clues that will help you Crack the padlock. Along the way, you will explore by yourself and learn a lot about the history of the city, its culture, as well as some of its best kept secrets. At the end of the day, you will know Lisbon like an insider. Oh, and the Box contains a price. The first team to open it will get it!