What is Sudoku (su doku,sudoko,sodoku)?

Sudoku, sometimes spelled Su Doku(sudoko,sodoku), is a placement puzzle, also known as Number Place in the United States.

The word Sudoku means "numbers singly" in Japanese.

Sudoku is one of the most amazing, challenging, intriguing, and entertaining puzzles.It has a unique solution that can be reached logically without guessing. Enter digits from 1 to 9 into the blank spaces. Every row must contain one of each digit. So must every column, as must every 3x3 square.

Click here to try it.

[ Learn how to play Sudoku here ]    [ Learn Sudoku solving techniques ]

Sudoku Games

Printable Sudoku

Sudoku strategies