Sudoku

Sudoku is a timeless number puzzle game that challenges your logic, concentration, and problem-solving abilities. Fill the 9x9 grid by placing numbers from 1 to 9 without repeating them in any row, column, or 3x3 section. With different difficulty levels and endless puzzles, Sudoku offers a relaxing yet rewarding mental challenge for players of all ages.

How to Play Sudoku

The goal of Sudoku is to complete the entire grid by using logic rather than guessing. Each puzzle begins with several numbers already placed as clues, and you must determine where the remaining numbers belong while following the rules.

Place numbers from 1 to 9 so that every row, every column, and every 3x3 subgrid contains each number only once. Carefully analyze available spaces, eliminate impossible choices, and use deduction to find the correct solutions.

Start with easier puzzles to understand the basic techniques, then challenge yourself with harder levels that require advanced strategies. Stay patient, observe patterns, and complete each grid to improve your logical thinking skills.

Controls

• Mouse Click – Select a grid cell
• Number Keys 1–9 – Enter numbers into selected cells
• Pencil Mode – Add possible number notes (if available)
• Undo / Redo – Reverse or restore moves