Optical illusions are not your regular seek-and-find games. These visual puzzles are mini IQ tests in disguise. These visual ...

Optical illusion challenge: Are you ready to challenge your brain and sharpen your observation skills? This optical illusion IQ test is designed to trick your eyes and test your mind’s ability to spot ...

Optical illusions are older than you think. The first optical illusions date back to 20,000 BC and took the form of cave sculptings. Nowadays they are found all over the place – on screens, in books ...