The easiest way to solve a spot-the-difference puzzle is to compare both pictures systematically rather than allowing your eyes to jump randomly between different areas. Begin at the upper-left corner and slowly work across the image. Once you’ve examined the top section, move downward and repeat the process until you’ve covered the entire picture.

Pay particular attention to small features around the girl. Her hairstyle, facial features, clothing, fingers, and accessories are good places to examine. Then look carefully at the coffee cup itself. A tiny change in its shape, handle, decoration, steam, or surrounding objects can easily disappear into the larger illustration when you’re looking too quickly.

If you’re still missing a difference, try changing your strategy. Instead of searching for something obviously missing, compare outlines and positions. Sometimes both pictures contain the same object, but one small element has been shortened, reversed, moved, or slightly altered. This is often what makes the final difference much harder to discover than the others.

There’s also no need to worry if you can’t find everything immediately. These puzzles are primarily entertainment and aren’t reliable tests of intelligence, eyesight, or “brain age.” The linked source page wasn’t accessible for verification, so I won’t invent the exact differences or claim a specific answer without seeing the original puzzle.

The real challenge is whether you can carefully compare both coffee-girl pictures and uncover every change without seeing the solution. Once you finally discover that last hidden difference, return to the image—you may be surprised by how obvious it suddenly becomes.