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The Keeper of Leiden’s Keys

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.
⚡ Instant🛡 Money-back⏱ 1–0 hrs🧩 15 puzzles
🌐 Play in 🇬🇧 English

Places you will visit

15

It will take you

-13-17 mins

You will walk

4340 steps

Total distance

3.3 km

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.

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.

Created by
Inkroost

Detailed historical facts and mysteries of Leiden!

Similar quests in other cities

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