- Cologne
Cologne Haunted City Exploration Game
Explore Cologne's most frightening places by solving clues on your phone
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Play detective with the Sherlock Holmes murder mystery game using just a smartphone and an internet connection.
Explore the city, complete tasks, and interact with characters who offer clues, but only if you solve their puzzles, take photos, and find suspects. Each task brings you closer to solving Balthasar's murder.
Enjoy flexible gameplay at your own pace and with anyone you choose.