The National Puzzlers’ League The National Puzzlers’ League (NPL) is a playground for puzzle lovers—a vibrant community of wordsmiths, puzzle-makers, and puzzle-solvers who live for that “aha!” moment. Founded in 1883, it is the world’s oldest puzzling organization. If you’ve ever spent hours decoding a cryptic crossword, delighted in a well-crafted palindrome, or anagrammed a […]