Challenging sudoku
Challenging sudoku puzzles are for solvers with some practice. They only come as 9 × 9. With patience and pencil marks, they are well within reach.
Choose puzzles
10 of 10 puzzles
-
Sudoku 9 × 9, no. 117
Level: challenging
-
Sudoku 9 × 9, no. 118
Level: challenging
-
Sudoku 9 × 9, no. 336
Level: challenging
-
Sudoku 9 × 9, no. 337
Level: challenging
-
Sudoku 9 × 9, no. 338
Level: challenging
-
Sudoku 9 × 9, no. 339
Level: challenging
-
Sudoku 9 × 9, no. 340
Level: challenging
-
Sudoku 9 × 9, no. 341
Level: challenging
-
Sudoku 9 × 9, no. 342
Level: challenging
-
Sudoku 9 × 9, no. 343
Level: challenging
These are all the puzzles for this choice.
Print several puzzles at once, for example for a group session: Put together a puzzle pack