Daily Sudoku X • Diagonal

One Sudoku per day (7/week). At midnight, today’s puzzle expires (solution revealed) and tomorrow’s becomes playable.
Day 1 / 7
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Saved: –
Tap a square, then use the keypad. Finish the required unit(s) to unlock locks.
Hints used0
Mistakes (from checks)0
TodayPlayable
Rule clarity: Classic Sudoku rules + both diagonals must contain 1–9 exactly once.
Daily puzzle: Everyone gets the same diagonal Sudoku each day. Share and compete easily.