Classic Sudoku · 6×6 · 2026-07-19
Classic Sudoku 6×6
Easy
Complete the 6×6 Sudoku grid.
Fill each empty cell with a number from 1 to 6. Each number must appear exactly once in every row, every column, and every 2×3 box.
When you finish, click “Check answer” to verify your solution.
Need a hint?
Start with a row, column, or 2×3 box that already contains the most numbers. Determine which numbers from 1 to 6 are missing and eliminate those already used.
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Select an empty square, choose a symbol, then check your answer.