Platon Sudoku · Sudoku Study

How to Play · Sudoku

Fill the empty cells with 1–9. Every row, column and 3×3 box must contain each digit without repeats.

This course is adapted from Platon Sudoku App. Read the complete example here, then continue learning and practising in the app.

Rows, columns and boxes

Fill the empty cells with 1–9. Every row, column and 3×3 box must contain each digit without repeats.

Select an empty cell, then tap a digit. Given digits stay fixed; your entries appear in a different color.

When you are unsure, turn on Notes and tap digits. These small numbers are possibilities, not confirmed answers.

When you get stuck, tap Hint for help finding your next step.

This course is adapted from Platon Sudoku App. Read the complete example here, then continue learning and practising in the app.