Diagonal Sudoku · Easy ✓ Solved

Plenty of clues; singles only.

Strict scoring: count every wrong entryOff: a mistake only counts when you’re told about it (Check, or “Show mistakes as I play”). On: every wrong entry costs 5% straight away.

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Keyboard shortcuts

Arrow keys: move around the grid
Number keys: enter a number
Backspace or Delete: erase
N: notes on/off
Ctrl+Z / Ctrl+Y: undo / redo
H: hint

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How to play Diagonal Sudoku

Each row, column and 3×3 box contains 1 to 9 once.
Both long diagonals (corner to corner) also contain 1 to 9 once.
Every puzzle has exactly one solution.

Full guide with an animated example · Strategy guides · Printable Diagonal Sudoku

About Easy Diagonal Sudoku

Plenty of clues; singles only. A good place to start, or to relax with a quick puzzle.

Other levels: Medium · Hard · Expert

Tips for this level

Check the diagonals early: they often hide a single.
The center box touches both diagonals.

Diagonal Sudoku · Easy ✓ Solved

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How to play Diagonal Sudoku

About Easy Diagonal Sudoku

Tips for this level

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