In 1903, the residents of Amersfoort decided: the famous Boulder must be unearthed. The stone to which the city owes its nickname. Only… after more than 200 years, no one knows exactly where it lies.
It’s up to you to find the Boulder. Search through the city center, solve interactive puzzles, and follow the clues. Can you make Amersfoort proud of its name again: Boulder City?
Koppelpoort (Kleine Spui 32)
2-4 players per team
NL - ENG
29.95 euros per team
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After ordering, you will receive an instruction email with a unique code. Download our app in advance. Go to the starting point whenever you want to play, enter the unique code, and let’s go!
The tour is most suitable for ages 16 and up. Stuck for a moment? You can use a hint or the answer for every puzzle, so you can always keep playing.
The tour includes a pause button, so there is always time for a snack and a drink!
Choose your city and receive your unique code instantly.
Download our custom-built app. Smart, fast, and your ultimate guide.
At the starting point? Enter the code, press start, and explore the city at your own pace.



