"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." When 2D puzzles are no longer exciting, 3D brain teasers are the way. These handheld puzzles require ...

National Puzzle Day falls on Sunday, January 29, and is the perfect way to tease your brain with the perfect exercise. Whether it’s a crossword, jigsaw, Soduko, or other games that stimulate the brain ...