New Puzzle Each Day
Indulge in your daily habit with all the bells and whistles from our classic Sudoku including notes, auto-cleanup, and slash notes.
Our free online version of web Sudoku follows in the number puzzle's classic tradition, no pen or pencil needed!
As you start the puzzle you can choose your difficulty.
We offer Sudoku for beginners, medium sudoku, and Sudoku for experts.
Microsoft Sudoku
Use simple logic to fill in the puzzle's nine rows and nine columns with numerals 1-9.
Daily Diagonal Sudoku
It's just like standard sudoku, but with diagonals!
Mathdoku
KenKen players love MathDoku!
