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Online Sudoku puzzles - Level difficile

Classic Sudoku is a puzzle composed of nine regions containing nine blocks each, that is 81 blocks in total. The grid thus consists of nine rows, nine columns and nine regions, which are subdivided into 3x3 blocks each. The objective of this logic game is to complete the grid with numbers from 1 to 9 or letters from A to I, without placing them more than once in a same row, column or region.

We invite you to visit our help and tips section before you start solving your first grids. Or follow the guide to better understand the rules of Sudoku !

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Latest Sudoku 9 x 9 grids - Numbers

Sudoku 9 x 9 grids with Numbers are composed of 3 x 3 areas each of them containing numbers from 1 to 9. To play this Sudoku, select a grid in the list below.

Latest Sudoku 9 x 9 grids - Letters

Sudoku 9 x 9 grids with Letters are composed of 3 x 3 areas containing letters from A to I. To play this Sudoku, select a grid in the list below.

Latest Sudoku 9 x 9 grids - Numbers and letters

Sudoku 9 x 9 grids with Numbers and letters are composed of 3 x 3 areas containing the numbers 1 to 5 and letters A to D. To play this Sudoku, select a grid in the list below.

Sudoku 9 x 9

  1. Level Easy (85 grids)
  2. Level Medium (78 grids)
  3. Level Hard (81 grids)
  4. Level Diabolical (84 grids)

Sudoku for Kids

  1. Level Easy (64 grids)
  2. Level Hard (64 grids)

Sudoku Triathlon

  1. Level Easy (0 grids)
  2. Level Medium (22 grids)
  3. Level Hard (0 grids)
  4. Level Diabolical (0 grids)

Super Sudoku

  1. Level Easy (23 grids)
  2. Level Medium (81 grids)
  3. Level Hard (21 grids)
  4. Level Diabolical (16 grids)

Sudoku Marathon

  1. Level Easy (0 grids)
  2. Level Medium (40 grids)
  3. Level Hard (0 grids)
  4. Level Diabolical (0 grids)

Sudoku Kamikaze

  1. Level Easy (0 grids)
  2. Level Medium (33 grids)
  3. Level Hard (0 grids)
  4. Level Diabolical (0 grids)