Sudoku Walkthrough

A visual walkthrough of the most important concepts.

This isn’t a full solve — it’s a guided tour of the patterns you’ll use all the time.

New to Sudoku? Read How to Play.

Step 1: Identify the givens

Spot the bold, tinted numbers that are fixed clues.

5
3
7
6
1
9
5
9
8
6
8
6
3
4
8
3
1
7
2
6
6
2
8
4
1
9
5
8
7

Step 2: Finish an easy row

Find a row or column that is missing only one number.

5
3
6
7
8
9
1
2
6
1
9
5
9
8
6
8
6
3
4
8
3
1
7
2
6
6
2
8
4
1
9
5
8
7

Step 3: Use the 3x3 box

Cross-check rows and columns to place a number in the box.

5
3
4
7
6
2
1
9
5
1
9
8
6
8
6
3
4
8
3
1
7
2
6
6
2
8
4
1
9
5
8
7
9

Step 4: Pencil Mode hints

Jot candidates in Pencil Mode before committing.

5
3
1
2
4
6
7
6
1
9
5
9
8
6
8
6
3
4
8
2
5
7
9
3
1
7
2
6
6
2
8
4
1
9
5
8
7

More Coming

We are planning more features across all of our games. Thanks for playing and helping us shape what comes next.

Want quick answers? See the Sudoku FAQ.