Hard Sudoku: A Friday Brain Workout to Play Online

It’s Friday, so today’s Sudoku is a harder one for those who like a challenge. Take your time with it, and remember that there is no clock and no penalty for peeking at a hint.

Today’s Sudoku · Hard
948
45
76312
9
58716
4
74538
54
846

How to Play

  • Tap a square, then tap a number to fill it in. Tap again to clear it.
  • Every row, column and 3 × 3 box must contain the digits 1 to 9 exactly once.
  • Tap Check to look for mistakes, Hint for a nudge, or Show answer to reveal the solution.
  • Your progress is saved on this device.

A Tip for Harder Sudoku

Look for a number that can only fit in one place in a row, column or box. If you get stuck, scan for a box where two or three squares share the same pair of candidates, and work from there. Short breaks are allowed, as fresh eyes often spot what you missed.