How to Play Sudoku - Complete Beginner's Guide

How to Play Sudoku - Beginner's Guide

Want to learn Sudoku? This guide teaches you everything you need to solve your first puzzle.

Sudoku Rules

• The grid is 9x9, divided into nine 3x3 boxes
• Fill each row with numbers 1-9 (no repeats)
• Fill each column with numbers 1-9 (no repeats)
• Fill each 3x3 box with numbers 1-9 (no repeats)

Basic Solving Techniques

Single Candidate

When a cell can only contain one number, fill it in. Look for rows, columns, or boxes with many numbers already filled.

Single Position

When a number can only go in one cell in a row, column, or box, place it there.

Scanning

Pick a number (start with 1) and scan rows and columns to find where it must go.

Step-by-Step Solving

1. Scan for obvious placements first
2. Use pencil marks for candidates
3. Look for single candidates
4. Look for single positions
5. Repeat until solved

Tips for Beginners

• Start with easy puzzles
• Use the undo button freely
• Don't guess - use logic
• Practice daily for improvement

Ready to play? Start your first Sudoku!