Sudoku is easy to learn.
Place digits from 1 to 9 in each empty cell. Every row, every column, and every 3 x 3 box should contain one of each digit.
Fiendish Sudoku posts five new puzzles every day. Each puzzle has a unique solution and can be solved with pure logic, no guessing required.
Learn more about sudoku at Wikipedia Sudoku
Our Sudoku Archive contains thousands of graded puzzles. All the puzzle designs on this site have been created by hand, not computer.
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