Turn Leiden’s canals and cobbled streets into a crime scene with this self-guided Sherlock Holmes city game. Solve puzzles via the Loquiz app, follow a two-hour storyline, and explore historic corners off the typical tourist path.
Turn Leiden’s canals and cobbled streets into a crime scene with this self-guided Sherlock Holmes city game. Solve puzzles via the Loquiz app, follow a two-hour storyline, and explore historic corners off the typical tourist path.
You start with a phone in your hand and a map of canals opening like a set of clues. The city exhales history—brick bridges, narrow alleys, and the measured hush of water—then dares you to read beneath the surface. As you move, digital characters appear, photos are requested, and a plot about the murder of Balthasar unfolds across streets that once hosted scholars and trade.
Verified experiences and guided adventures in the surrounding area.
Operated by City Game · Leiden, South Holland
You start with a phone in your hand and a map of canals opening like a set of clues. The city exhales history—brick bridges, narrow alleys, and the measured hush of water—then dares you to read beneath the surface. As you move, digital characters appear, photos are requested, and a plot about the murder of Balthasar unfolds across streets that once hosted scholars and trade.
Leiden’s streets carry layers: medieval walls, 17th‑century canal houses tied to the textile boom, and the university founded in 1575. Geologically the city sits on reclaimed peat and polder land, so the route is flat with almost no elevation gain but can be spongy near canal edges. Culture here is student‑driven and museum rich—expect curious passersby and bicycles as constant company.
Practically, plan for roughly 2 hours and 2.5–4 km of walking on cobbles, paved towpaths and occasional stone steps at bridges. The Loquiz app delivers puzzles and photo tasks; play solo or in teams (1–4 people per device). Public transit drops you close to the start; bike lanes are active—watch your back. Wear comfortable shoes, carry a charged phone and a small power pack, and set aside time to read clues and enjoy turns off main streets. The game is easy physically but mentally engaging—bring patience, steady battery life, and curiosity. Follow traffic rules, respect private property, and you’ll finish having seen both famous sights and overlooked corners of Leiden.
easy.
2 hours.
Light walking ability; suitable for families and casual walkers
The activity is designed for about 2 hours, though you can take more time to explore side streets and museums.
No—everything runs through the Loquiz app on your phone following an email with instructions after booking.
One ticket covers a group of 1–4 players per device; larger groups should purchase additional tickets.
The game is rated easy and family-friendly, but cobbles and bridge steps may challenge some mobility devices; plan routes accordingly.
Leiden grew wealthy in the 16th–17th centuries as a textile center and became home to the Netherlands’ oldest university (1575), a cultural backbone still visible in streets and museums.
Stay on public paths, avoid feeding wildlife, and carry out any rubbish—Leiden’s historic fabric and canal ecology are sensitive to litter and trampling.
City Game operates guided outdoor trips and adventures with an emphasis on safety, stewardship, and memorable experiences.




You start with a phone in your hand and a map of canals opening like a set of clues. The city exhales history—brick bridges, narrow alleys, and the measured hush of water—then dares you to read beneath the surface. As you move, digital characters appear, photos are requested, and a plot about the murder of Balthasar unfolds across streets that once hosted scholars and trade.
You start with a phone in your hand and a map of canals opening like a set of clues. The city exhales history—brick bridges, narrow alleys, and the measured hush of water—then dares you to read beneath the surface. As you move, digital characters appear, photos are requested, and a plot about the murder of Balthasar unfolds across streets that once hosted scholars and trade.
Leiden’s streets carry layers: medieval walls, 17th‑century canal houses tied to the textile boom, and the university founded in 1575. Geologically the city sits on reclaimed peat and polder land, so the route is flat with almost no elevation gain but can be spongy near canal edges. Culture here is student‑driven and museum rich—expect curious passersby and bicycles as constant company.
Practically, plan for roughly 2 hours and 2.5–4 km of walking on cobbles, paved towpaths and occasional stone steps at bridges. The Loquiz app delivers puzzles and photo tasks; play solo or in teams (1–4 people per device). Public transit drops you close to the start; bike lanes are active—watch your back. Wear comfortable shoes, carry a charged phone and a small power pack, and set aside time to read clues and enjoy turns off main streets. The game is easy physically but mentally engaging—bring patience, steady battery life, and curiosity. Follow traffic rules, respect private property, and you’ll finish having seen both famous sights and overlooked corners of Leiden.