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.
"0029" might be a page number in a specific book or a timestamp in a video. Clara1_0029.jpg
Knowing the website or the name of the game would help me give you the exact solution or the next step in the walkthrough. Right-click the image, go to Properties (Windows) or
Open the image in an editor (like Photoshop or GIMP) and crank the exposure or contrast to the extreme. This often reveals hidden text in the dark areas. Right-click the image