Sometimes, the simplest tasks can turn out to be the most complicated. While that’s a frustrating fact of life in general, it does make for some fun brainteasers! Take this “how many squares” puzzle, ...

While you can poke around the Dartboard Puzzle and potentially figure a few things out, you'll find a hint that spells out exactly what's happening in another room. If you need a nudge in the right ...

Matchstick Puzzles are often challenging and engage the curiosity to solve. As in the image, you can all see a matchstick puzzle, which is made up of yellow matchsticks. The matchsticks are arranged ...

This magic square has been known since ancient times. Each row, column and diagonal of three numbers adds to the same magic constant, 15. There is, however, a different type of 3×3 magic square, in ...