New fileEsztergom, Hungary
The Key to the Casket
A forgotten box, six signs and a secret waiting in the royal city.
An archive of curious city adventures
Every city keeps a secret.
Professor Molly, a Persian cat historian and detective, invites you to follow clues and uncover forgotten stories.
Open the case files ↘
The curator
Professor Molly
Historian · Detective · Cat
Historian · Detective · Cat
Professor Molly knows the way.
She is a scholar of lost stories, a collector of curious clues and a firm believer that the best discoveries happen just beyond the obvious.
Every city has secrets. Let’s find them together.
The case files
Choose your first mystery.
More cities are being investigated
New fileBudapest, Hungary
The Crown Files
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Under investigationPrague, Czechia
The Alchemist
More cities are being investigated
Under investigationYour mission
Four steps between you and the clue.
01
Choose a case
Pick a city and a story.
02
Unlock the file
Pay securely online.
03
Walk the route
Follow Molly’s clues.
04
Find the truth
Discover the city.