About the game
Daily sudoku with an extra rule for the diagonals. Every row, column, 3x3 box and both diagonals contain the numbers 1 to 9 just once.
Daily Sudoku X belongs to the Sudoku variant in the Brain teasers world and joined the catalogue on August 15, 2019. The rules, levels and on-screen language are set by the game’s creator, and a short guide appears on its start screen.
How to play
- Enter a number in an empty cell.
- Make sure no number repeats in a row, column or box.
- Fill the whole grid.
Full rules: Sudoku rules: how to play and how to solve it
Tips for a better game
- Start with the row, column or box that is missing the fewest numbers.
- Pencil in possible numbers as notes and cross them out as you go.
- Do not guess: every number in a good sudoku can be found by logic.
