This image was distributed as a puzzle for people of all ages. Only 2% of people were able to find the word sailer in this image. It can be difficult to spot the Word sailer, but with a little concentration, you can do it!
Optical illusions are like walnuts for the brain; they sharpen its analytical abilities. When we seek reality, our brains unconsciously try to meet our desires and expectations. In an optical illusion game, one may believe that a variety of objects match the object that one must find, causing confusion and causing the brain to try to differentiate between what is real and what appears real.