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Hard Sudoku Puzzles
Hard Sudoku is a brain challenging number puzzle game. The game is considered "hard" because it often takes longer to solve than an easy or medium puzzle.
To complete a hard Sudoku puzzle, players must use a variety of strategies, including deducing which numbers go in which squares and eliminating possibilities through logical reasoning.
Sudoku Puzzles help keep your mind sharp while enjoying a challenging logic game. The puzzle can be played online or printed out and solved at your leisure.
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12x12 Sudoku - Hard - 1
12x12 Sudoku - Hard - 9
9x9 Sudoku - Hard - 13
9x9 Sudoku - Hard - 11
12x12 Sudoku - Hard - 10
12x12 Sudoku - Hard - 8
10x10 Sudoku - Hard - 9
12x12 Sudoku - Hard - 4
12x12 Sudoku - Hard - 5
4x4 Sudoku - Hard - 8
4x4 Sudoku - Hard - 6
4x4 Sudoku - Hard - 7
9x9 Sudoku - Hard - 5
9x9 Sudoku - Hard - 16
6x6 Sudoku - Hard - 11
While hard Sudoku may take longer to solve, it is often more satisfying to complete than an easy puzzle. For Sudoku lovers looking for a challenge, hard Sudoku is the perfect puzzle game.