USA Today Sudoku

Solve a new sudoku puzzle every day. Type your entries in a square or, click on a square, hold the mouse button down and drag up or down to select a number.

How to play sudoku games:

There is really only one rule to Sudoku: Fill in the game board so that the numbers 1 through 9 occur exactly once in each row, column, and 3x3 box. The numbers can appear in any order and diagonals are not considered. Your initial game board will consist of several numbers that are already placed. Those numbers cannot be changed. Your goal is to fill in the empty squares following the simple rule above.