Sudoku X on Games Live ... Select Difficulty: Choose from easy, medium, or pro levels. 2. Solve the Puzzle: Fill in the grid so that each row, column, and 3x3 section contains the numbers 1-9 ...

Everyone can try a few sudoku puzzles for free, but Apple News Plus subscribers can play new puzzles every day. An Apple News Plus subscription is $13 a month and gives you access to daily Sudoku ...

A Sudoku puzzle consists of a 9x9 grid of squares ... and it's up to the solver to figure out how to fill in the rest of the squares to get to that end state. Mathematicians love counting things.