Are you ready to put your observation skills to the ultimate test? At first glance, the two cheerful cartoon images might look nearly identical—a smiling woman snapping a selfie near Big Ben, coffee cup in hand, with a lively city background. But don’t be fooled. Hidden within these pictures are 15 subtle differences that have left even the most eagle-eyed viewers scratching their heads.

One frustrated puzzle fan even claimed, “I’ve tried 465 times and still can’t find them all!” If you enjoy brain games, this is your chance to prove your visual sharpness. The key is to start with a slow, deliberate scan of both images. Rushing will only make it harder. Instead, give your eyes time to explore. Look for any missing or altered objects, differences in color, size, shape, or placement. The trick is that your brain wants to fill in familiar details, often convincing you that things are the same when they’re not. Grab a pen, or use your finger to trace differences as you find them.

That way, you won’t overlook anything your subconscious mind tries to normalize. Many people make the mistake of focusing solely on the woman in the image. It makes sense—she’s the center of attention. But this narrow focus causes people to miss the sneaky changes hiding in the background or around the edges. Another common mistake is expecting dramatic changes when in reality, most differences are tiny—like an extra button or the direction a plane is flying. The brain’s natural tendency to “autofill” what it thinks should be there can blind you to these small edits. That’s why slowing down and taking a systematic approach is so important. Now let’s go step-by-step from top to bottom and left to right to identify all 15 differences.

First, the small cloud in the top left corner vanishes in the second image. The airplane flying in the sky flips direction. Big Ben’s clock face has a slightly different design. The woman’s hair color changes from purple to green. Her left earring is missing. Her coffee cup gains an extra stripe. The number of buttons on her shirt shifts from two to three. A window on a background building disappears. The red car loses its side mirror. An orange traffic cone beside the dog vanishes. The dog’s collar is gone. A dog bone appears next to the dog in only one image. A piece of trash that was on the ground disappears. A new patch or hole appears on the woman’s pants. And finally, a small orange cat appears next to the woman’s leg that wasn’t there before.

Some of these differences are easy to spot once someone points them out, but others—like the reversed plane or the missing window—require real focus and patience. If you didn’t find them all, don’t worry. Visual puzzles like this are meant to be challenging, and each attempt helps you get better. To improve your spot-the-difference skills, start from the outer corners and move inward. Most people get distracted by the central figure and forget to scan the edges, where tricky changes often hide.

Try scanning in a specific pattern, like from top to bottom or diagonally, to make sure you cover every inch. If you’re viewing the puzzle on a phone or tablet, zoom in. Some of the differences are so small, they’re nearly impossible to catch at regular size. The more you play, the better your brain gets at detecting slight visual changes. Now it’s your turn to share—how many differences did you spot before checking the list? Were you close to fifteen? Did you get ten? Maybe just a few? Be honest and drop your score in the comments, then tag a friend to challenge them to beat it. These games often spark friendly competition, and you’d be surprised how addictive it gets.

Spot-the-difference puzzles aren’t just fun—they help improve memory, focus, and visual attention. They’re like mini workouts for your brain, and they train you to notice the little things that matter in everyday life, whether it’s catching typos in an email or spotting a missing item at home. If you enjoyed this one, don’t stop here—there are hundreds of puzzles out there to keep your mind sharp and alert. Go back to the image and challenge yourself to recall all 15 differences without peeking. Can you do it from memory now? Give it a shot—and happy puzzling!