tricky

Only smart people can see 2 different images in this portrait

The famous picture below has been circulating around the world since 1888. To give you some perspective, It was the ...

Only 1 in 10 people get this right, I would be impressed if you solve it

This past few years, I have taken a liking to leave some time of my day to just sit down ...

There is something wrong with this picture of a girl, can you find the weird error?

Optical illusions have always fascinated me. For example, you know when multiple circles in a pattern create squares. There are no squares, ...

Only a true genius can find a letter that sticks out

Solving different challenges is a great way to relax. It may sound a little contradictory, but you always think a little ...

Try to solve this math quiz for middle schoolers – without a calculator

Testing yourself with a brain-teaser never hurts, most times it feels like you can think a bit more clearly after solving ...

Challenge: There's a four-digit number hiding in this picture – but can you see which one it is?

Mind challenges can look difficult at first, the important part is doing them often. The brain is a muscle, and ...