This holiday-themed brainteaser looks simple, but it's quietly tripping up adults everywhere I’ve been out of school for decades, and I don’t spend my days solving equations (I’m more of a word person ...

The best free puzzle games you can download for kids and adults. Have you found yourself more bored than usual lately? If so, you might want to consider downloading some puzzle apps to your iPhone.

A math puzzle is a type of brain teaser where the reader's critical thinking and problem-solving skills are tested. These ...