All the puzzles in this page are rated very difficult.

Very Difficult Sudoku Puzzles very difficult

sudoku puzzle published on 2015/05/05 sudoku puzzle published on 2015/04/28 sudoku puzzle published on 2015/04/20 sudoku puzzle published on 2015/04/16 sudoku puzzle published on 2015/04/08 sudoku puzzle published on 2015/04/01 sudoku puzzle published on 2015/03/27 sudoku puzzle published on 2015/03/23 sudoku puzzle published on 2015/03/18 sudoku puzzle published on 2015/03/14 sudoku puzzle published on 2015/03/06 sudoku puzzle published on 2015/02/26

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The puzzles in this page are rated "Very difficult" (very difficult).