Operation 45: An Adventure in Diamonds
Operation 45: An Adventure in Diamonds
The war is over, but the Dutch Resistance has one last secret for you to uncover. Back in 1940, a priceless cache of diamonds disappeared… can you track them down? Follow the Resistance’s trail, crack their puzzles, and discover the true fate of the missing treasure in this outdoor escape room.
Will you solve the mystery? Step into history and experience one of Amsterdam’s most thrilling adventures.
- In the center of Amsterdam
- Available in English and Dutch
- 2 hour adventure
- Teams of all sizes
- Real objects, no app
- €25 per Adult
€15 per Child
What Our Adventurers Say
Why Choose Our City Games in Amsterdam
A new way to explore the city while solving a mystery.
Familiar Streets, Hidden Clues
Explore Amsterdam and have fun finding clues. This experience takes you on an adventure to see the city and discover its hidden layers.
Exciting and Fun
Adventures
Each quest features a unique, historically-inspired narrative that brings Amsterdam's rich history to life in an engaging and surprising way.
Award-winning Adventure Makers
Sherlocked, makers of some of the best escape rooms in Amsterdam, created this game to combine fun, mystery, and puzzles, in a rewarding experience.
Frequently Asked Questions
What is a city game?
A city game is a mix between a tour, a scavenger hunt, and an escape room. You solve puzzles and mysteries using clues hidden in the city's landmarks. It's super entertaining and a fun way to get to know Amsterdam in a new way.
How do city games work?
Atlantis Protocol: Bring a fully charged phone with WhatsApp installed and internet access. You’ll receive a printed map to help you navigate the city. As you explore, a mysterious figure will guide you remotely. Just follow the clues and explore Amsterdam step by step.
For Operation 45 and Secret Sender: You’ll be provided with a backpack full of tools, maps, and puzzles. Your goal is to explore the city, unlock clues, and solve the mystery with your team. No extra tools or skills required.
Who can play city games?
City games are perfect for friends, families, and corporate groups. Even diehard Amsterdammers will discover their city in a new way. Teams typically consist of 2-5 players, but larger groups can split into multiple teams.
Do I need special knowledge or skills to play a city game?
No! The games are designed for all skill levels. If you can read and explore, you can play our city games.
What if we need help?
Atlantis Protocol: You can get help via WhatsApp as part of the game.
Secret Sender & Operation 45: There’s a built-in hint system, and a Game Master is always on hand to assist if you’re stuck.
Are city games suitable for kids?
Yes, children can participate in our city games accompanied by their parents. The game is educational and fun, with history woven into the puzzles. The minimum age for Atlantis Protocol is 12 years old. For Operation 45 and Secret Sender, the minimum age is 9.
What happens if the weather is bad when playing a city game?
City games go on rain or shine. But if the weather is extreme, you can reschedule.
- Atlantis Protocol is fully reschedulable at any time with no extra cost. Just visit our rescheduling page to change your booking.
- For Operation 45 and Secret Sender, please email to citygames@sherlocked.nl and apply for a reschedule, but please note that conditions may apply, and during weekends, support may be limited.
How long does a city game take?
Most city games take around 2 hours, but faster teams might finish in 90 minutes.
For Atlantis Protocol, you play at your own pace.
What is Atlantis Protocol's cancellation policy?
Atlantis Protocol purchases are non-refundable. You can reschedule any time, free of charge, up until the start of your game, via our dedicated transfer page: https://www.sherlocked.nl/city-games/atlantis-protocol-reschedule-your-booking
Can I reschedule a city game any time?
Yes! Atlantis Protocol is fully reschedulable at any time and at no extra cost. Simply head to our rescheduling page to update your booking.
For Operation 45 and Secret Sender, please email us at citygames@sherlocked.nl to request a reschedule. Conditions may apply, and weekend support is limited, so we recommend reaching out as early as possible.