This new optical illusion is testing everyone’s observation skills; only a few people can find everything in 15 seconds. An optical illusion puzzle has become a big challenge for people of all ages.

Optical illusions are all about using your brain to tease out the hidden objects in an image. Many of these brain teasers ask you to find the odd figure or number. But sometimes your mind has to go up ...

Picture puzzles are visual puzzles that challenge participants to identify specific details or patterns within an image. These can range from simple 'spot the difference' games to more complex puzzles ...