One of the notes is a Polybius Square Diagram showing nine numbers in a grid with six letters. The other note is a poem in Italian that has eight of the letters circled in red. The Mystery in your ...

To solve this Mystery, you need to get into the safe ... open the drawer under the nearby typewriter to find a second document, the Polybius Square Diagram. This provides a cipher for the letters ...

It's said to be the 80s arcade game that spawned an urban legend. Polybius was rumoured to be so addictive it caused severe side effects in those who played it. Those players were said to be part ...