This tricky optical illusion has to be one of the most fun IQ test.Most people failed to spot the hidden heart. But if you ...

At first glance it looks like just another thrilling rugby game, but if you look closely you’ll notice something isn’t right.

A mind-bending optical illusion challenges viewers to find a hidden heart amidst a sea of snails. This visual puzzle tests ...

Optical illusions are a fun and engaging way to boost your IQ and observation skills. These visual puzzles with hidden elements push your brain to think creatively, improving concentration and mental ...

These four IQ quizzes are going to test your vocabulary and spelling. Then, after your brain is nice and warm, you'll face the ultimate IQ challenge with a quiz that covers all subjects. Have fun, ...

Peter Cowling currently receives funding from EPSRC, AHRC and InnovateUK and has previously received funding from ESRC, ERDF, and EU sources. Anders Drachen is part of the Digital Creativity Labs ...