The legendary King's Emerald has been stolen from the New Town Hall – now it’s your turn! Step into the role of an investigator and assist Detective Archie Cluefinder. A thrilling adventure awaits you, filled with tricky puzzles, hidden clues, and a gripping story with unexpected twists.

Whether with friends, family, or as a team event – discover Hanover’s landmarks from an entirely new perspective. Play together or compete against each other using just your smartphone and a start code (no app download required).

An affordable way to explore Hanover in a fun and interactive way – for less than €5 per person in a group of six. Decide whether to choose a game leader and play together on one device or have everyone use their own smartphone. The start code works on up to six devices simultaneously.

Are you ready for the ultimate detective experience?

Infants and small children can ride in a pram or stroller

Service animals allowed

Public transportation options are available nearby

Suitable for all physical fitness levels

Suitable for ages 14 and up.

Recommended during daylight

Immediate dispatch of the start code in a separate email.

Available in German and English.

Best enjoyed on quiet days when the city center is less crowded.