Individuals with high IQs, razor-sharp observation skills, and critical thinking abilities can crack this puzzle under ...

This engaging picture puzzle invites you to test your intelligence by finding the monster among the people in a time limit of ...

Find the hidden spatula in 6 seconds. If you crack this puzzle within the time limit, you likely have high IQ and superior ...

This optical illusion puzzle is a fascinating test of your brain's ability to process visual details quickly and accurately.

Find out how good your general knowledge is with our quiz that will get you ready for your next trip to the pub.

Fewer than one in five people pass this IQ test, thought to be the shortest in the world only three questions long. The Cognitive Reflection Test has a pass rate of just 17 per cent, leaving the ...

Other websites contain an online IQ calculator that takes you through a mock IQ test. There are also downloadable apps that pledge to aid you in ascertaining your IQ and have likewise testing ...