Solve the grid in this medium Sudoku puzzle! The objective of Sudoku is to fill each row, column and sub-grid with exactly one of each number from 1-9.

Hard Sudoku: May 16, 2025 Solve the grid in this hard Sudoku puzzle! The objective of Sudoku is to fill each row, column and sub-grid with exactly one of each number from 1-9.

Mathematicians say a hidden pattern called the 'Phistomefel Ring' can help you solve even the most challenging Sudoku puzzle much faster.

More math is involved behind the scenes, for the puzzle masters designing different sudoku grids. Try our online word search: Play now. What are the benefits of sudoku?

Overall, Dr. Snyder noted that the solvers’ idiosyncratic notations on the grids — memory cues and the like, beyond the basic method he used a decade ago — were “advancing the science of ...

Explore daily insights on the USA TODAY crossword puzzle by Sally Hoelscher. Uncover expert takes and answers in our ...

Sudoku is a logic-based number puzzle played on a 9x9 grid. The objective is to fill in the grid so that each row, column, and 3x3 box contains the numbers 1 to 9, without repeating any numbers.

Enjoy free daily Sudoku puzzles at Times of India. Test your skills with easy, medium, and hard levels. Get hints, track progress, and improve your Sudoku abilities.

Sudoku is a numbers puzzle, although it’s not a math puzzle, per se. In fact, a classic Sudoku grid requires no computation, except in the case of a Sudoku-based game called “Killer Sudoku ...