• Jahnplatz - Begin your adventure at Jahnplatz, the bustling heart of Bielefeld. Launch the Explorial app, input the 6-digit game code sent via text and Viator chat, and make your way to the old town. This tour is entirely self-guided—no guide, no set start time, just your group exploring the city.

The Alter Markt showcases Renaissance gables surrounding the theatre, with café tables filling the spaces in between. Riddles await at the carved doors of merchant houses.

The Skulpturenpark is next, located on the slopes beneath the castle. Modern sculptures are scattered across the lawns, each one a potential clue.

Then, the Sparrenburg rewards the climb: a 13th-century fortress with a tower and underground passages that have long overseen Bielefeld—riddles confirm its existence.

The journey from square to summit takes about two hours. The leaderboard delivers the final verdict; the conspiracy is conclusively resolved.

• 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

A hilltop castle, a park adorned with sculptures, and a humorous myth that the city is fictional — Bielefeld is indeed real and offers a delightful experience.

This app-guided scavenger hunt allows participants to explore Bielefeld 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 Alter Markt with its charming gabled merchant houses
• Explore the Skulpturenpark, featuring open-air art beneath the castle hill
• Ascend to the Sparrenburg, the fortress overlooking the city

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.

Finally, proof that Bielefeld exists — the leaderboard will confirm it.

• 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.