You scanned the secret code — here are your bonus puzzles. Crack codes live, hunt for words, write in Pigpen, and print your certificate. All free.
A real spy tool! Type a secret message, slide the wheel to shift the letters, and watch it decode. Then solve the challenge below.
Find all the hidden words. Click the first letter, then the last letter of a word (across, down, or diagonal).
Write your own secret messages! Type below and watch it turn into the Pigpen cipher — copy the symbols to pass notes only a real detective can read.
Type your name, then print or screenshot your official certificate.
This certifies that
has cracked The Case of the Golden Trophy
and is hereby promoted to Master Detective.
⭐ Secret Agent Case Files ⭐
A full-colour PDF of extra puzzles — word search, ciphers, a maze and more — that match the book. Print as many as you like.
Download the bonus pack (PDF)