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The Vanishing Keycard
A museum keycard vanished during a security drill. Learn the scene rules and recover it.
The Quiet Gallery
A miniature star map disappeared during a private viewing. One visitor left a print at the empty plinth.
Signal at Meridian
The observatory's relay was cut minutes before a once-a-decade transmission.
The Last Lantern
A celebrated cartographer vanished after a lantern-lit archive reception, along with an unfinished royal chart.
The Stolen Royal Seal
The royal seal vanished during a storm-bound treaty ceremony at Hawthorn Keep.
Whispers in Briarwood
A courier vanished where the king's road narrows beside the Briar River.
The Ashes of Millbrook
The mill failed before harvest, scattering burnt gear teeth through the wheelhouse.
Looking for a shorter mystery for younger detectives?
The kids collection gathers the gentler WhereDoku cases designed for approximately ages 10–14 and family play.
Browse kids cases →