G4.zip -

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

: Upon opening the image inside the zip file, the hallway looked empty. However, the true clue was only visible by brightening the image using a photo editor. g4.zip

In the early 2000s, long before modern viral trends, a simple photo of a door appeared on a website with a cryptic instruction: "Don't go to level 2." This was the start of . By the time players reached Level 4, they encountered a puzzle that required more than just clicking—it required looking into the "guts" of the website itself. The name "g4