As a lover of mysteries and intrigue, you couldn't resist when a stack of encrypted letters belonging to a Croatian treasure hunter came up for auction at your local history fair.

The letters at first seemed complete gibberish, but with the right key, their true meaning would be revealed.

In the first letter was a set of puzzles that if solved, would reveal the necessary keywords, and in the end, would uncover the location of the tomb and treasure of the long-lost Roman emperor, Diocletian.