Sudoku

Classic number puzzle game

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Sudoku

Sudoku is a captivating logic-based number placement puzzle. Your goal is to fill a 9x9 grid with numbers using the given clues. Each row, column, and 3x3 box must contain all numbers from 1 to 9, with no repetitions. Perfect for enhancing logical thinking and problem-solving skills!

How to Play

1Fill each empty cell with a number from 1 to 9

2Each horizontal row must contain numbers 1-9, with no duplicates

3Each vertical column must contain numbers 1-9, with no duplicates

4Each 3x3 box (marked by darker borders) must contain numbers 1-9, with no duplicates

Winning Strategies

Scanning TechniqueSystematically scan rows, columns, and boxes to identify where a specific number can or cannot be placed.

Single Candidate MethodLook for cells that can only contain one possible number based on the surrounding numbers.

Pencil MarkingUse the pencil mark feature to note possible numbers in each cell, helping you track potential solutions.

Frequently Asked Questions

What are the basic rules of Sudoku?

Sudoku follows these simple rules:
• Fill in numbers 1-9 in each row
• Fill in numbers 1-9 in each column
• Fill in numbers 1-9 in each 3x3 box
• No repeating numbers in any row, column, or box

How do I start solving a Sudoku puzzle?

Start with the most filled areas first. Look for rows, columns, or boxes that already have several numbers. This gives you fewer possibilities to consider. Use the process of elimination to determine which numbers can fit in each empty cell.

What are the different difficulty levels?

Sudoku puzzles come in three difficulty levels:
• Easy: More starting numbers, perfect for beginners to learn the basics
• Medium: Balanced challenge, requires basic solving strategies
• Hard: Fewer starting numbers, needs advanced techniques to solve

What are some common solving techniques?

Common techniques include:
• Scanning: Check rows and columns for missing numbers
• Single Candidate: Find cells with only one possible number
• Hidden Singles: Look for numbers that can only go in one spot
• Pairs and Triples: Identify patterns of 2-3 numbers

Is there a time limit for solving puzzles?

While there's no strict time limit, the game includes a timer to track your solving speed. You can use this to challenge yourself and improve your solving time, but feel free to take as long as you need to complete the puzzle.