Is Sudoku X the same as Diagonal Sudoku?
Yes. Sudoku X usually means the two main diagonals must also contain each number once.
Sudoku X
Sudoku X
Sudoku X is another common name for Diagonal Sudoku. It keeps ordinary Sudoku rules and adds the two corner-to-corner diagonal checks.
Sudoku X profile
- Also called
- Diagonal Sudoku.
- Rule change
- Both diagonal lines of the X must contain 1 through 9 once.
- Playable state
- Live through Diagonal 9x9 mode.
- Best audience
- Classic Sudoku players who want a clear next variation.
Why it is called Sudoku X
The two diagonals form an X across the board. Those two lines follow the same uniqueness idea as rows and columns.
Searchers may type Sudoku X or Diagonal Sudoku. On Large Sudoku, both names point to the same playable rule set.
How to start
Choose Diagonal 9x9 from the board size controls, or use the button below to open the mode directly.
Easy is the best default for large print senior play because the diagonal rule is new enough to deserve more starting numbers.
Practical Questions
Can I play Sudoku X in large print?
Yes. Use the Diagonal 9x9 mode on Large Sudoku.