These quizzes seek to test your IQ by asking you various challenging questions about all kinds of subjects. Take each quiz to find out if you're a genius (I bet you are). Time to test your vocabulary ...

For years, the public has searched for where to take a real IQ test online without being misled by casual quizzes, inflated scores, or gimmicks. addresses this growing demand by providing a legitimate ...

Are you ready to put your pattern-spotting, logic, and IQ to the test? In this challenge, we’ll twist numbers, letters, and ...

This viral optical illusion challenges you to spot an inverted number 39 hidden among inverted 63s in just 6 seconds. The ...

Brain teasers are great for improving your problem-solving skills, critical thinking skills, memory, and concentration. These riddles offer mental stimulation, as these require strategic approaches to ...

ChatGPT is the first nonhuman subject I have ever tested. In my work as a clinical psychologist, I assess the cognitive skills of human patients using standardized intelligence tests. So I was ...