Observe
Maps, messages, images and evidence contain useful information.
GCJ Editor / Series
Puzzle mysteries where young detectives earn every answer.
VILLA CORVO
CASE01 / THE IDENTITY
Villa Corvo combines atmosphere, clear instructions and verifiable evidence. The story does not merely accompany the puzzles: it advances through what the reader observes, connects and proves.
Maps, messages, images and evidence contain useful information.
Every puzzle adds something to the investigation.
The solution comes from the evidence gathered, not from a guess.
02 / THE SYSTEM

03 / THE FIRST CASE
Villa Corvo’s great clock falls out of rhythm. Thirty-six puzzles guide the reader through clues, codes and evidence before midnight strikes.
SERIES ARCHIVE
New investigations will appear here only when they are defined and ready to be presented.