Sudoku - Hard

These hard sudoku puzzles have fewer clues than the others on the site and will require more advanced strategies to solve.

NYT Sudoku Hard Puzzle Today 9 November 2023 - News

Looking for a mentally stimulating activity that's perfect for seniors? Our Hard Sudoku for Seniors Level 1 (9x9) is the perfect way to challenge your

Challenge Your Mind with Hard Sudoku for Seniors: Level 1 (9x9) with Solutions

Wicked Sudoku puzzle number 1939560. You should master the game in order to solve this very hard Sudoku. Go over all our tut…

Sudoku #585 and #586 (Hard) - Free Printable Puzzles

Sudoku 5,995 hard, Life and style

Train your brain with the 175 Large Print Hard Sudoku Puzzles for Adults 6x9 activity book! With 175 large print hard Sudoku puzzles at your

175 Large Print Hard Sudoku Puzzles for Adults: Only One Puzzle Per Page! (Pocket 6x9 Size) (Paperback)

Jigsaw Classic Sudoku: 400 JIGSAW puzzles 9 x 9 HARD - VERY HARD + BONUS 250 LABYRINTH 20 x 20 : Sudoku Hard - Very Hard levels and Maze puzzles very hard level (Series #8) (Paperback)

Vote - Which one is Insane or Very Hard Level : r/sudoku

File:Sudoku puzzle hard for brute force.svg - Wikipedia

Sudoku #589 and #590 (Hard) - Free Printable Puzzles