IQ tests are excellent for testing the intelligence of an individual. These types of puzzle challenges present readers with ...

Math puzzles are a type of brain teaser that tests the reader's critical thinking and problem-solving skills. These ...

You can play for free on The New York Times website or in its Games app. A new puzzle is released at midnight.

There are four pairs of theme entries, at 23-/30-, 46-/56-, 67-/79- and 91-/104-Across. In each case, the second clue is ...

Whether you are looking to blow off some steam, improve your cognitive functions, or simply test your skill, there is a brain ...