The name "g4.zip" was a hint hidden within the page's source code. Players who figured this out were directed to a downloadable file containing a picture of a . The "informative story" hidden in this level is actually a lesson in steganography —the art of hiding information within other data. How the Puzzle Worked
To this day, Notpron remains active on the official Notpron website , where "g4.zip" continues to stump and then enlighten new players. g4.zip
: Realizing that what you see on a screen is just a collection of data that can be manipulated. The name "g4