Sudoku — How to play and useful tips
Start with a partly completed Sudoku and progress to more blanks and harder puzzles. Clear each board to continue.
Controls
- Clear a stage and choose Next stage. Individual settings remain available in Standard play.
- Select an empty cell, then press a number below the grid.
- Switch to note mode to record candidate digits.
Playing tips
- Compare the row, column and box to find a cell with only one possible digit.
Common questions
Do hints affect my record?
Results using hints are recorded separately as assisted.
Can I resume later?
Your board is saved automatically in this browser.
Are stage personal bests saved?
Yes. Open Records to see your best reached and cleared stages.