Ghoul is an illustration based Playfair cipher. The illustration depicts a Playfair grid on a tombstone, with a name that specifies the Playfair character key of “K”. Applying the Playfair cipher to the code at the bottom of the card presents players with the “WHITEHILLSECURITYCOM”.
Following the URL will send players to a YouTube video that contains the URL of the puzzle completion code in the description of the video.