The private detective's adventures Experienced exciting tasks. The outdoor tour experience, here you become a hero of history. Plays around the Volksgarten in Cologne's old town, which is over 2000 years old. The Volksgarten is one of the oldest parks in the city. The park has existed since 1890 on the site of the former Fort IV or Fort Paul, which is still partially preserved on the edge of the park. With its 5.5 hectare lake, beer garden and interesting greenery, it is still a popular meeting place today. Find out exciting information and stories about Cologne. Prove yourself to be a worthy intern in numerous mini-games and puzzles.