Case Files · Est. 2024
Read the story, follow the clues, and submit your final answer when you think you have solved the mystery.
The Method
Four steps from the casebook to your verdict.
Pick your case from the casebook.
STEP 01
Step inside an original mystery.
STEP 02
Decode, deduce, and theorize.
STEP 03
Send your answer for verdict.
STEP 04
Featured Case · №01
The 18,900 City Mystery Puzzle
Peter vanished while backpacking through Europe. He left behind sixteen cryptic clues and one challenge: find the single city, out of 18,900, where he is hiding.
Clues
Clues
Clues
Clues
The Casebook
Four curated mysteries. Each one self-contained, deductive, and made for readers who would rather solve than scroll.
The 18,900 City Mystery Puzzle
Peter vanished while backpacking through Europe. He left behind 16 clues and one challenge: find the single city, out of 18,900, where he is hiding.
A Gothic Mystery Puzzle
A guest has vanished from the castle, and the host has not been seen since. Follow the clues through Transylvania before night falls.
A Mythological Mystery Puzzle
Six guests. One statue. Someone in the room is not what they seem. Can you uncover the truth before the curse takes hold?
New Cases Are Being Written
More puzzle books are on the way. Join the casebook newsletter to be the first to investigate the next mystery.
Why Readers Love It
Every clue is deliberate. Every red herring earned. Solve through deduction, not luck.
There is one correct answer per case. No vague endings, no debate.
Send your final answer through the site and receive a personal verdict.
Dispatch · No. 01
Join the newsletter for updates, new book releases, and bonus clues delivered straight from the casebook.
