Optical illusions challenging to find hidden animals are a popular type of visual test. These are not just fun challenges but also a real-time test to gauge your visual perception, attention to detail ...
IQ tests are simple brain teasers that have become one of the popular puzzle games on the web. These puzzles are one of the best ways to measure cognitive abilities and mental sharpness. IQ tests ...
Can you do 3D puzzles...without using your hands? Our visual-spatial intelligence test assesses your ability to mentally manipulate 3D objects, a skill that has practical significance in everyday life ...