Operation 45: An Adventure in Diamonds
Overview
Mystery City Games is reinventing the way people explore cities! Explore the city, solve puzzles and unlock the secrets of Amsterdam. You will look at the city in a whole new way!
You only play with who you bring - other bookings will get their own set to play.
What's Included
- You will be given the game bag with all the needed parts to play.
Meeting Location
Zwanenburgwal 178
1011 JH Amsterdam, Netherlands
Detailed check-in instructions, including the exact address, are provided with your booking confirmation.
This activity ends back at the meeting point.
What To Expect
On May 10, 1940, the Netherlands was invaded by the Nazis. Within hours, a secret mission was undertaken to prevent the city’s priceless cache of industrial diamonds from falling into Nazi hands.
On May 5, 1945, Amsterdam celebrates liberation. But you have one final mission: Discover what happened to to the diamonds. Follow the trail left by the resistance to uncover this amazing true story.
Groups of 6 or more can be split into competing teams - who will solve the mystery first?
(if you would prefer to stay together, that’s fine too!)
During the game you will:
Walk around discovering interesting buildings, monuments and historical details
Solve puzzles while exploring with your friends
Learn true stories from the city's history
Additional Info
- Confirmation is instant and will be received at time of booking
- Wheelchair accessible
- Transportation options are wheelchair accessible
- Service animals allowed
- Public transportation options are available nearby
- Suitable for all physical fitness levels
- Infants and small children can ride in a pram or stroller
- This tour/activity will have a maximum of 50 travelers
Frequently Asked Questions (8)
Q: What is the cancellation policy for the Operation 45: An Adventure in Diamonds?
Cancellation Policy
Still have questions?
We're here to help.
Activity code: C-69405P3
Traveler Photos
Reviews
Average 4.95 out of 5 stars based on 37 traveler reviews collected by City Balloon Tours and partner sites such as Cool Destinations and TripAdvisor
Additional Info
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Frequently Asked Questions (8)
The answers provided below were previously given in response to questions from City Balloon Tours customers.
Filter by:
- For a full refund, you must cancel at least 24 hours before the tour start time.
- If you cancel less than 24 hours before the tour start time, the amount you paid will not be refunded.
- Any changes made less than 24 hours before the tour start time will not be accepted.
- Cut-off times are based on the tour local time (CET).
- You will be given the game bag with all the needed parts to play.
This tour requires good weather. If it’s canceled due to poor weather, you’ll be offered a different date or a full refund.
Apr 2025There is no minimum age for this tour, so bring your wee one along for an adventure. This tour requires at least one adult to accompany children..
Apr 2025If a date or time is not listed on the calendar, it’s sold out or unavailable for another reason. Support cannot assist further if a date or time is not on the calendar.
If you find a date and time that works for you, book it NOW because things always sell out at this time of year.
Apr 2025Accessibility information for the Operation 45: An Adventure in Diamonds is as follows:
- Wheelchair accessible
- Transportation options are wheelchair accessible
- Service animals allowed
- Public transportation options are available nearby
- Suitable for all physical fitness levels
Detailed check-in instructions – including meeting point address, Google map, and parking information – for Operation 45: An Adventure in Diamonds will be included in your confirmation email from City Balloon Tours. Please be sure to double and triple check your email address is correct at checkout so this important email makes its way to you!
Mar 2024Once your refund is processed, it usually shows on your card statement within 5–10 business days. The exact timing depends on your bank or card issuer.
Want it sooner? When you cancel, choose Receive a refund to my wallet instead. The credit is in your Wallet straight away and is applied automatically at checkout on your next booking when you’re signed in with the same email. You can see your balance any time in My Wallet.
If you paid part of your booking with Wallet credit, that part always goes back to your Wallet. Trip protection isn’t refundable.
Oct 2026What's Included
- You will be given the game bag with all the needed parts to play.
Additional Info
- Confirmation is instant and will be received at time of booking
- Wheelchair accessible
- Transportation options are wheelchair accessible
- Service animals allowed
- Public transportation options are available nearby
- Suitable for all physical fitness levels
- Infants and small children can ride in a pram or stroller
- This tour/activity will have a maximum of 50 travelers
