• 3 Pl. des Orphelins - Begin your adventure at 3 Place des Orphelins by launching the Explorial app. Enter the 6-digit game code sent via text and Viator chat, and set off across the Grande Île. This tour is entirely self-guided—no guide, no set start time, just your group exploring the city.

The journey starts in the Quartier de la Petite France, where charming half-timbered tanners’ houses overlook lush canals, offering picturesque views at every turn.

At Place de la Cathédrale, the majestic pink sandstone cathedral dominates the skyline; it was the tallest building in the world for over two centuries. Discover trivia about the astronomical clock and its midday parade of apostles.

The tour concludes at the Église Saint-Thomas, featuring a serene atmosphere with a marshal’s impressive mausoleum and an organ once played by Mozart.

Experience a cultural blend of France and Germany in about two hours, with tarte flambée marking the delightful end.

• Free download of the Explorial App from your appstore (iOS or Android smartphone required)
• Points and scoring system: Compete between players of your group and beat the cities high score.
• Live Location: navigate within the map with marked locations. Always know where you are.
• Learn about the cities stories, history, and local legends
• Total flexibility: no waiting, start anytime, walk at own pace and do as many breaks as you want.
• Self-guided walking tour with interactive riddles, trivia challenges and photo tasks.

• Live-Guide: 100% self-guided; no one will meet you or join your group. Start anytime you want.
• Entrance fees are not required for this game. All puzzles relate to the public areas of the sights
• This is not an audio guide but an sightseeing, gaming and learning experience

Strasbourg, with its canals, covered bridges, and a cathedral that once held the title of the tallest building in the world, excels in both French and German cultures.

This app-guided scavenger hunt allows participants to explore Strasbourg on foot, using phone-based puzzles to navigate from one landmark to another. There is no need for a guide or a set start time.

• Stroll through the Quartier de la Petite France and admire its historic tanners’ houses
• Marvel at the towering pink structure in Place de la Cathédrale
• Visit the Église Saint-Thomas, known as the ‘Protestant cathedral’

The app is available in 24 languages, including English, French, German, Spanish, and Italian. Check the full list when booking and select your preferred language when starting the game in the app.
The experience lasts approximately 2 hours and accommodates any group size.

Grande île, grand game.

• Max 15 people per booking. For larger groups, make multiple bookings.
• After booking you receive a text message and a Viator message with your game code. Download the Explorial app from your appstore. Open the app, enter your 6 digit game code
• Weather & Health Guarantee: If bad weather or illness prevents you from starting the tour, you can simply reschedule it for another day. You can also rebook to a different city or request a refund
• Smartphone required: Bring your own fully charged smartphone with an active mobile data connection to the start of the tour. Please disable any VPN and avoid city Wi-Fi, as these will cause the app to malfunction or disconnect.
• Recommended attire: It’s best to wear weather-appropriate clothing and comfortable walking shoes — approx. 2 hours of light walking

For a full refund, cancel at least 24 hours before the scheduled departure time.