About This Tour
Step into the heart of Utrecht on a self-guided quest to track down a mysterious monster said to be hiding among the city’s charming streets. With just your smartphone, you’ll follow clues that lead you to iconic landmarks like the Dom Tower, Mariaplaats, and Pandhof Domkerk—unlocking surprising stories along the way. Each riddle reveals a new location and a hidden tale, turning your walk into an interactive, real-world puzzle game. It’s part mystery, part city exploration—perfect for curious couples, families, or solo adventurers looking to see Utrecht in a new light. Highlights: - Solve clues and unlock secret stories - Explore 10 landmarks and hidden corners - Play anytime—pause and resume as you wish - Private, safe, and perfect for all ages
Photo Gallery
Tour Analysis
Tour Characteristics
Analyze this tour to extract its characteristics (adventure level, structure, food importance, etc.). This is a one-time analysis that enables personalized matching.
One-time analysis • Enables preference matching
What's Included
What's Not Included
Additional Information
Meeting Point
Go to Mariaplaats in order for the game-tour to start on your phone.
Special Instructions
To unlock the experience in the Questo app, go to https://www.questoapp.com/unlock, and add your booking number and e-mail address. If you booked on TripAdvisor/Viator, then your booking number starts with BR. If you booked on a different platform, please contact our customer support at: questoapp.com/chat. Then, download the Questo app and create a new account with the e-mail address you used for unlocking.
Cancellation Policy
For a full refund, cancel at least 24 hours before the scheduled departure time.
Tour Operator
Questo
Official supplier for this experience. Bookings are handled directly through Viator with verified partners.
Viator Certified
Trusted local operator
Guest Ratings
Based on 61 verified reviews
Average rating
Ready to Go?
Book Utrecht Monster Mystery: Self-Guided Puzzle City Quest
Secure your spot instantly through Viator and receive flexible cancellation options plus verified customer support.
Trusted partner • Instant confirmation