Beginner Strategy: Look for Almost Full Rows
Scan the board for any row, column, or 3x3 box that already has 7 or 8 numbers filled in. Finding the missing 1 or 2 numbers is the easiest way to make fast progress!

Sudoku is the ultimate number puzzle that millions of people play every day. Choose your difficulty mode — Easy, Medium, or Hard — and fill in the 9x9 grid. Make sure every row, column, and 3x3 square contains the numbers 1 through 9 without repeating any number!
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Scan the board for any row, column, or 3x3 box that already has 7 or 8 numbers filled in. Finding the missing 1 or 2 numbers is the easiest way to make fast progress!
If you are new to Sudoku, start with Easy mode to get used to the pattern. Medium mode offers a balanced daily challenge, while Hard mode tests your advanced elimination skills!