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EMBARK ON operation 45: an adventure in diamonds

Shine bright like a diamond.

Meet Ben and Emilie, the founders of Mystery City Games. Explore Amsterdam, solve puzzles and unlock history as you embark on a mission to find the diamonds from World War II.

€25 (ADULT) / €15 (CHILD 6 – 12)

Who are Ben & Emilie?

Chicago-born Emilie and Ben from Portugal crossed paths in Amsterdam during their stint at a tour company. Their shared passion for pub quizzes and treasure hunts led them to create their award-winning mystery city games for those who want to explore Amsterdam in a creative and thrilling way.

What's This Experience About?

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. Five years later, Amsterdam celebrates liberation. But you have one final mission: Discover what happened to the diamonds.

In this outdoor escape game, explore Amsterdam’s Old Jewish District, discover must-see sites and solve puzzles. Only the best can solve the mystery in time. Do you have what it takes?

Wanna Know More?

Tap or hover on images for details

An absolutely brilliant and wildly inventive good time, with friends or solo. I’ve enjoyed the experience twice, and would do so again in a heartbeat. Absolutely worth every penny and more. Truly one-of-a-kind. Two thumbs up, would recommend!”


– Derek M

Great Escape Room outside in the fresh air and very educational for both kids and adults. Very topical as Liberation Day is coming up on 5th May in The Netherlands. The route takes you past many important places related to the awful tragedy of the Holocaust and the transportation of the Jews during WWII. Very fun but also a real eye opener if you don’t know Amsterdam and it’s history that well. Massively recommended.

– Vicky L

“What an amazing way to see the Jewish District of Amsterdam! The riddles and puzzles were challenging enough that you did have to put some thought into them, but not so hard that you’d become frustrated. All in all it took us about an hour and a half, and takes you past some easy spots to grab a snack or drink along the way. I don’t believe we would have happened upon this beautiful neighborhood without doing this, so it was such a fun way to get away from the normal touristy parts of town and see what Amsterdam really has to offer. The staff are cheerful and very helpful, and if you do get stuck they are able to provide a clue or two via the provided phone.
10/10 highly recommend!

– Danny F

Click to read all TripAdvisor reviews.

WIA Family

Years ago, I (Rachael) met Ben at an Amsterdam improv theatre called Boom Chicago. We reconnected again at a brainstorming session with our mutual friends. Ben and Emilie heard about our platform and were intrigued and supportive from the get-go! We love their curiosity and creativity, combining Amsterdam trivia and history with outrageously fun puzzles. Most of all, we love their passion for giving travellers a refreshingly fun and unique way to explore Amsterdam. This is why we’re proud that Ben and Emilie are game to be part of our WIA family.

Got a Question?

Reach out to Ben and Emilie via email.

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