About This Tour
Explore Leiden in this self-guided detective scavenger hunt. In City Detective, you and your team solve a fictional case while exploring the city: an internationally renowned AI-scientist was abducted from his home, and it’s up to you to unmask the culprit. This fun and flexible Leiden city game lets you follow clues, eliminate suspects, and solve puzzles using your own smartphone. Along the way, you'll uncover quirky facts, hidden gems, and iconic landmarks, making it a unique thing to do in Leiden. Highlights: - Self-guided scavenger hunt through Leiden city centre. - Play at your own pace: start and pause whenever you like. - Follow clues, solve puzzles, and eliminate suspects. - Use your own phone = no tour guide needed. - Access via the Qugato app. - Available in English and Dutch. Whether you're with friends, family, or colleagues, this Leiden detective game is a fun, flexible and interactive way to explore the city and challenge your inner sleuth.
Photo Gallery

Mid-game thinking during the City Detective Leiden scavenger hunt near Koornbrug.

Player during the City Detective Leiden scavenger hunt showing the Qugato app.

Breestraat with city hall along the route of the Leiden scavenger hunt City Detective.

Players solving puzzles during the City Detective game in Leiden at Haarlemmerstraat.

Phone showing the Qugato app interface of the Leiden City Detective game at Breestraat.

Latijnse School along the route of the Leiden scavenger hunt City Detective.
TopTours Insights
Discover Leiden as a Detective & Unmask an AI Scientist Kidnapper
This self-guided walking tour turns Leiden into a detective game, where you'll solve clues and puzzles on your phone to find a kidnapped AI scientist. It's a good option for couples or small groups who enjoy a challenge and want to explore the city at their own pace over two hours.
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What's Included
What's Not Included
Additional Information
Meeting Point
This is a self-guided city game. You can start whenever it suits you. Login details will be sent to you by email within 10 minutes of your booking.
Special Instructions
You’ll automatically receive your login credentials by email within 10 minutes of your booking.
Cancellation Policy
For a full refund, cancel at least 24 hours before the scheduled departure time.
Tour Operator
Qugato - City Game Adventures
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Frequently Asked Questions
Common questions about Discover Leiden as a Detective & Unmask an AI Scientist Kidnapper
Who operates this experience?
This experience is operated by Qugato - City Game Adventures.
What's included?
This tour includes Access to the self-guided City Detective Leiden game by Qugato., Login credentials for up to 6 devices per group., and Fun facts and historical tidbits throughout the game.. All inclusions are provided by the tour operator.
How long is this tour?
The experience lasts approximately 2 hours, giving you time to fully enjoy your chosen activity.
Can I cancel this tour?
Yes, you can cancel up to 24 hours before the scheduled departure time for a full refund.
Will I receive instant confirmation?
Yes, you'll receive instant confirmation when you book.
What to expect on this tour?
This tour experience lasts approximately 2 hours and includes all necessary equipment and guidance. You'll have access to Access to the self-guided City Detective Leiden game by Qugato. and more.
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