Discover Basel in a fun and interactive way with the Secrets of Basel City Game, a self-guided scavenger hunt and walking tour through the historic centre of Basel, Switzerland. This GPS-based exploration game combines sightseeing with puzzles, riddles and creative photo challenges as you uncover hidden stories around the Spalentor city gate, Basel Marktplatz and the Peterskirche. Perfect for tourists, friends, families and team outings, this self-guided walking tour of Basel can be played solo or in groups. The City Game Basel takes about 2 hours and you play at your own pace. One ticket is valid for 1 to 4 people; for larger groups simply purchase extra tickets. Choose a start date and time when booking, then begin whenever it suits you. A smartphone with an internet connection is required. Your Basel adventure starts at Basel Marktplatz. After booking, you receive an email with a direct game link. Head to the start location and open the link on your phone - the game runs straight in your browser, so there is no app to download, no guide to meet and no building to enter. Pause anytime and continue later, for a flexible adventure through Basel.