Sometimes the "guide" is actually text appended to the end of the image code.
If you are stuck, try uploading the image to Google Lens or Yandex Images to see if other players have discussed this specific file on forums like Reddit (r/ARG or r/puzzles). 4. Reverse the Name Sometimes the filename itself is a clue.
Right-click the image, go to Properties (Windows) or Get Info (Mac), and look at the "Details" or "Metadata" tab. Check the "Comments," "Author," or "Description" fields.
Use an online EXIF viewer to see if there are GPS coordinates or hidden text strings. 2. The "NotePad" Trick