Play detective through Lyon’s streets in The Walter Case, a self-guided urban escape that turns Roman alleys and Renaissance passages into clues. This 2–3 hour mobile-led game blends local history with practical navigation tips for an accessible city adventure.
Play detective through Lyon’s streets in The Walter Case, a self-guided urban escape that turns Roman alleys and Renaissance passages into clues. This 2–3 hour mobile-led game blends local history with practical navigation tips for an accessible city adventure.
You step off the tram into a pocket of cobbled streets; the Rhône glints ahead and seems to dare you to move faster. Street corners smell of roasted coffee and charcuterie, while tram rails hum like a countdown. In this self-guided urban escape, Lyon becomes a crime scene and a playground: you are a private detective racing against an imagined clock, piecing clues from façades, plaques and narrow alleys.
Verified experiences and guided adventures in the surrounding area.
Operated by Coddy · Lyon, Auvergne-Rhône-Alpes
You step off the tram into a pocket of cobbled streets; the Rhône glints ahead and seems to dare you to move faster. Street corners smell of roasted coffee and charcuterie, while tram rails hum like a countdown. In this self-guided urban escape, Lyon becomes a crime scene and a playground: you are a private detective racing against an imagined clock, piecing clues from façades, plaques and narrow alleys.
Lyon’s story runs underfoot — a Roman capital once called Lugdunum, later the heart of France’s silk trade. The city’s geology is plain in the split of two rivers, Rhône and Saône, which frame neighborhoods that grew on elevated terraces and steep Fourvière hill. Historic traboules and Renaissance courtyards become natural set pieces for the mystery, and local culture — loud bouchons, pragmatic city planning — colors how you search.
Practically, the game uses a mobile app to guide teams across roughly 2–3 hours of on-foot investigation; the advertised duration is 150 minutes. Tickets are mobile and valid up to three years, and 24/7 online support is included. Expect varied surfaces — flagstones, short stairways and pedestrian streets — but the operator notes wheelchair accessibility on main routes. Bring a charged smartphone, comfortable shoes, and leave room to pause at cafés. Start earlier to avoid peak tourist crowds and give yourself extra time for choices that change the storyline. Respect private property and nearby residents: the best finish lines are solved puzzles and a light-footed exit into Lyon’s evening streets.
easy.
2–3 hours.
Light walking suitable for most fitness levels; expect up to a few miles of on-foot exploration with occasional stairs.
The itinerary lists 150 minutes as the typical duration; allow extra time for detours, breaks and choices that branch the story.
Bookings are instant and flexible; once you have the mobile ticket you can begin within the validity window noted on your voucher.
The operator notes wheelchair-accessible routes and surfaces, but some historic passageways may require alternative routing — contact support to plan an accessible path.
The app-based format typically lets you pause progress, but check the app instructions and keep your device charged to preserve session data.
Lyon began as Roman Lugdunum and later became a global center for silk weaving; its street pattern reflects layers of Roman, medieval and industrial development.
Be mindful of historic fabric — avoid graffiti and stay on public paths; support local cafés and shops to keep neighborhoods vibrant.
Coddy operates guided outdoor trips and adventures with an emphasis on safety, stewardship, and memorable experiences.




You step off the tram into a pocket of cobbled streets; the Rhône glints ahead and seems to dare you to move faster. Street corners smell of roasted coffee and charcuterie, while tram rails hum like a countdown. In this self-guided urban escape, Lyon becomes a crime scene and a playground: you are a private detective racing against an imagined clock, piecing clues from façades, plaques and narrow alleys.
You step off the tram into a pocket of cobbled streets; the Rhône glints ahead and seems to dare you to move faster. Street corners smell of roasted coffee and charcuterie, while tram rails hum like a countdown. In this self-guided urban escape, Lyon becomes a crime scene and a playground: you are a private detective racing against an imagined clock, piecing clues from façades, plaques and narrow alleys.
Lyon’s story runs underfoot — a Roman capital once called Lugdunum, later the heart of France’s silk trade. The city’s geology is plain in the split of two rivers, Rhône and Saône, which frame neighborhoods that grew on elevated terraces and steep Fourvière hill. Historic traboules and Renaissance courtyards become natural set pieces for the mystery, and local culture — loud bouchons, pragmatic city planning — colors how you search.
Practically, the game uses a mobile app to guide teams across roughly 2–3 hours of on-foot investigation; the advertised duration is 150 minutes. Tickets are mobile and valid up to three years, and 24/7 online support is included. Expect varied surfaces — flagstones, short stairways and pedestrian streets — but the operator notes wheelchair accessibility on main routes. Bring a charged smartphone, comfortable shoes, and leave room to pause at cafés. Start earlier to avoid peak tourist crowds and give yourself extra time for choices that change the storyline. Respect private property and nearby residents: the best finish lines are solved puzzles and a light-footed exit into Lyon’s evening streets.