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Classic Sudoku · 6×6 · Easy
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Classic Sudoku
Classic Sudoku is the most popular form of sudoku. Fill the grid so that each number appears exactly once in every row, column, and box. It is a fun and effective way…
LEVELAll levelsBUILDSLogic, concentration, number sense, pattern recognition, deductive reasoning
Also known as: Standard Sudoku, Number Sudoku
ClassicHOW IT WORKS
What is Classic Sudoku?
Classic Sudoku is the most popular form of sudoku. Fill the grid so that each number appears exactly once in every row, column, and box. It is a fun and effective way to build logic, concentration, and problem-solving skills.
THE RULES
Simple rules, satisfying logic
Keep these rules in mind while solving.
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Fill every empty cell with a number.
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Each row must contain every number exactly once.
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Each column must contain every number exactly once.
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Each box or region must contain every number exactly once.
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Do not repeat a number in any row, column, or box.
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Classic Sudoku · 4×4 · Easy
Classic Sudoku 4×4
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