World Heritage Detectives on a Mission in the Upper Middle Rhine Valley

Summary

The tender concerns the creation of seven independent, locally rooted interactive missions in Bingen, Lorch, Oberwesel, Sankt Goar, the Loreley area and Koblenz. The solution must present the region’s history, culture, landscape and World Heritage values to families with children aged 5–10 in an engaging, age-appropriate way. Each mission must include an approximately 2.5–3 km route, a continuous story, puzzles, audiovisual content and analogue orientation points. The digital solution must be permanently usable, optimized for mobile devices, data-efficient and accessible without installing a smartphone app. The expected delivery period is December 2026 to June 2027, and offers must be submitted by 20 September 2026. The machine-readable notice did not include precise qualification, suitability or compliance requirements; these must be checked in the official tender documents.