TOKYO — Maki Kaji, the creator of the popular numbers puzzle Sudoku whose life's work was spreading the joy of puzzles, has died, his Japanese company said Tuesday. He was 69 and had bile duct cancer.

Sudoku is not just another pastime unless you are a genius. It’s like the Rubik’s cube but with numbers. Some people enjoy the challenge. Some people dread the difficulty. But with practice, you can ...

When you get stuck on a fiendishly difficult sudoku, it’s hard not to wonder if the puzzle really has a solution. At another moment, aglow in the triumph of a clever deduction, you might have a ...

Apple has added sudoku to its collection of puzzles in Apple News+, giving another way for subscribers to test their brainpower every day. Apple News+ offers subscribers in the United States and ...

When researchers asked AI models to explain how they solved puzzles, the models made stuff up. That's a big trust issue. Jon covers artificial intelligence. He previously led CNET's home energy and ...

Pens, pencils and a facility with numbers. Also helpful: earplugs, plushies, a water bottle, calming herbal oil and the occasional “wild bifurcation” (a.k.a. a wild guess). Competitors at the World ...

Apple released iOS 18.3 on Jan. 27, more than a month after the company released iOS 18.2. While the latest update brought some important security patches to all iPhones, iOS 18.2 brought the popular ...

Sudoku is a logic-based number puzzle played on a 9x9 grid, divided into nine 3x3 subgrids. The goal is to fill the grid so that each row, column, and 3x3 box contains the numbers 1 through 9 exactly ...

It was meant to be. Nine boxes in a sudoku grid, nine players on a baseball field, hence baseball sudoku. The principles for solving these 9x9 puzzles are the same as those for traditional sudoku, ...