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Sudoku is one of the most popular puzzle games of all time. The goal of Sudoku is to fill a 9×9 grid with numbers so that each row, column and 3×3 section contain all of the digits between 1 and 9. As a logic puzzle, Sudoku is also an excellent brain game. If you play Sudoku daily, you will soon start to see improvements in your concentration and overall brain power. Start a game now!

The goal of Sudoku is to fill in a 9×9 grid with digits so that each column, row, and 3×3 section contain the numbers between 1 to 9. At the beginning of the game, the 9×9 grid will have some of the squares filled in. Your job is to use logic to fill in the missing digits and complete the grid.

Don't forget, a move is incorrect if any row, column, or 3×3 box contains more than one of the same number from 1 to 9.

Sudoku is a fun puzzle game once you get the hang of it. At the same time, learning to play Sudoku can be a bit intimidating for beginners. Here are some tips:

• Tip 1: Look for rows, columns of 3×3 sections that contain 5 or more numbers. Work through the remaining empty cells, trying the numbers that have not been used.
• Tip 2: Break the grid up visually into 3 columns and 3 rows. Each large column will have 3, 3×3 grids and each row will have 3, 3×3 grids. Now, look for columns or grids that have 2 of the same number.

Sudoku Evil represents the most challenging difficulty level in traditional Sudoku puzzles. Unlike easier difficulties that can be solved with basic techniques, evil sudoku puzzles require mastery of advanced solving strategies and pattern recognition.

Evil difficulty puzzles typically contain only 20-24 initial clues (compared to 40+ for easy puzzles), forcing solvers to employ sophisticated techniques like X-Wing, Swordfish, XY-Wing, and chain-based logic.