Play online Sudoku with different levels. PLay for your country. You can also win free advertisement space , if you are the winner of the month. You can see your score. It's free
You must love solving the Sudoku puzzle?! Enjoy it here!You can read the rules of the game, print the game, view the solution, check your progress, pause the game and choose your level.
I invite everyone on my Sudoku page : link- Sudoku Center Online.
For now, only Polish version, but soon the English version.
You can find there java script program to solve Sudoku.