Plan Harmony

Itinerary

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

• You will be given the game bag with all the needed parts to play.

• Wheelchair accessible
• Stroller accessible
• Service animals allowed
• Near public transportation
• Transportation is wheelchair accessible
• Most travelers can participate
• Hand sanitizer available to travelers and staff
• Gear/equipment sanitized between use
• This experience requires good weather. If it’s canceled due to poor weather, you’ll be offered a different date or a full refund
• This tour/activity will have a maximum of 50 travelers
• Confirmation will be received at time of booking

You can present either a paper or an electronic voucher for this activity.

See Availability

For a full refund, cancel at least 24 hours in advance of the start time of the experience.