"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." If you love solving riddles, unlocking mysteries, or completing any other brain-boosting activity, puzzle ...

Adrian Johnson and Jess Rucks open our solving weekend with a treat. By Deb Amlen Jump to: Tricky Clues FRIDAY PUZZLE — For someone who made his New York Times Crossword debut only four years ago, ...

Picture puzzles are great for testing concentration powers, pattern recognition, visual memory, and problem-solving skills. These visual riddles are scientifically proven beneficial at improving IQ ...

Brain Teaser IQ Test: Brain teasers are not necessarily simple puzzles, as they are also a mental exercise that has taken the ...