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.
6x6 Sudoku - Hard - 20
9x9 Sudoku - Hard - 15
6x6 Sudoku - Hard - 16
6x6 Sudoku - Hard - 9
6x6 Sudoku - Hard - 6
6x6 Sudoku - Hard - 12
4x4 Sudoku - Hard - 13
4x4 Sudoku - Hard - 11
6x6 Sudoku - Hard - 11
6x6 Sudoku - Hard - 18
6x6 Sudoku - Hard - 14
6x6 Sudoku - Hard - 4
6x6 Sudoku - Hard - 1
6x6 Sudoku - Hard - 2
6x6 Sudoku - Hard - 3
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.
