The city game “The Mystery of Mons” can be played live in the city of Mons, Belgium, with a photobook , or in a “mystery event” fully organized. It can also be played at home, as a mystery game, with this ebook (PDF): “The Mystery of Mons”
Each player or each team of players also need a print of the Workbook. And of course, if you Do It Yourself, you also need the Solutions: Workbook & Solutions "The Mystery of Mons"
How many riddles can you solve, how many codes can you break, how many missions are completed within, say… one hour?