Follow a missing archivist’s trail, solve puzzles in plaques, statues and ruins, and unlock stories linking Leiden to Rembrandt, Japan, the Mayflower, science and forgotten lives.
Ideal for couples, friends, families with older children and curious explorers who enjoy mystery, history and discovery.
Places you will visit
15
It will take you
-13-17 mins
You will walk
4340 steps
Total distance
3.3 km
A note from Inkroost
“Detailed historical facts and mysteries of Leiden!”
What you'll actually do
Download the Questo app and unlock the quest. Walk to Rembrandtplaats whenever you like · no guide, no group, no time slot.
Solve 15 puzzles hidden in the streets around you. Each one you crack unlocks the next location.
Finish at The Ruin That Opens the Final Lock and see where you land on the Leiden leaderboard.
Highlights
Follow clues from Rembrandt’s birthplace to Pieterskerk, Koornbrug, the Burcht and Vrouwekerk.
Solve puzzles hidden in plaques, statues and architecture to recover five lost keys: Memory, Knowledge, Freedom, Courage and Truth.
Along the way, uncover Leiden’s links to Japan, the Mayflower, science and forgotten lives.
The mission: Your story in Leiden
Leiden’s crossed keys are known as the keys of Saint Peter.
In this quest, they also represent hidden keys passed from one Keeper to the next:
Memory, Knowledge, Freedom, Courage and Truth.
An archivist named Elias van Rijn, has disappeared after discovering that parts of Leiden’s history were being forgotten.
Follow the trail he left across the city, solve observation-based puzzles, and restore the stories of people who were famous, forgotten, celebrated or deliberately overlooked.
ABOUT THIS EXPERIENCE
What to expect from The Keeper of Leiden’s Keys
Leiden’s five lost keys, Memory, Knowledge, Freedom, Courage and Truth are hidden across the city. Follow a missing archivist’s trail, solve puzzles in plaques, statues and ruins, and unlock stories linking Leiden to Rembrandt, Japan, the Mayflower, science and forgotten lives. Ideal for couples, friends, families with older children and curious explorers who enjoy mystery, history and discovery.
Follow clues from Rembrandt’s birthplace to Pieterskerk, Koornbrug, the Burcht and Vrouwekerk. Solve puzzles hidden in plaques, statues and architecture to recover five lost keys: Memory, Knowledge, Freedom, Courage and Truth. Along the way, uncover Leiden’s links to Japan, the Mayflower, science and forgotten lives.
Start: Rembrandtplaats. Finish: The Ruin That Opens the Final Lock. 15 challenges included.
Good to know before you play
- Step Into the Story
- Hidden History
- Difficulty level: Easy 🟢😊
- Wear a hat and sunscreen, have enough water
Tips & Recommendations
Wear Comfortable Shoes
You will be walking throughout the city, so comfortable footwear is essential for enjoying the experience.
Charge Your Phone
Make sure your smartphone is at least 60% charged. The quest runs through the Questo app, and you will be using it throughout.
Check the Weather
This is an outdoor activity. Bring an umbrella or sunscreen depending on the forecast.
Bring a Camera
You will discover photogenic locations and hidden gems perfect for capturing memories.
Stay Hydrated
Bring water, especially during warmer months or longer quests.
Play with Friends
Quests are more fun with friends or family. Each player who wants to play on their own phone needs their own access.
Ratings and Reviews
1 ratings
Kerr,,
Beat the best: Top Leiden explorers
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