Sudoku

Where Logic Meets Fun: The Origins of Sudoku

Sudoku’s origins can be traced back to 18th-century math puzzles by Swiss mathematician Leonhard Euler. The modern number-based version first appeared in 1979, but it wasn’t until Japan’s puzzle magazine Nikoli adopted it in the 1980s—and named it Sudoku, meaning “single number”—that it went global.

How to Play Sudoku

Fill the 9×9 grid so that each row, column, and 3×3 block contains the digits 1 to 9 with no repetition. Use logic and deduction—no math required!