Cards Against Humanity co-founders Max Temkin and Ben Hantoot just launched the Magic Puzzle Company, a push to develop a new line of jigsaw puzzles, and it’s already been a hit. On Monday, the ...

This magic square has been known since ancient times. Each row, column and diagonal of three numbers adds to the same magic constant, 15. There is, however, a different type of 3×3 magic square, in ...

Greetings puzzlers near and far. When I say "far," I mean far because this week's winner is Sugiyama from Tokyo Japan who gets the Puzzle Of The Week via Wired Japan! Sugiyama figured out one of the ...

Details You need to solve this magic square in order to proceed. A magic square is a set of numbers organized in a square so that adding any string of three numbers, be they horizontal, vertical, or ...