sudoku - trò chơi giải đố

Sudoku is a world-renowned logic puzzle game that helps you train your brain, increase concentration, and improve your logical thinking every day.

Your task is simple yet challenging: fill in the numbers from 1 to 9 on a 9x9 grid so that:

• Each row contains only unique numbers from 1–9

• Each column contains only unique numbers from 1–9

• Each 3x3 square contains only unique numbers from 1–9

🌟 Key Features:

• Multiple difficulty levels: Easy – Medium – Hard – Expert

• Smart hints when you get stuck

• Automatic progress saving

• Simple, easy-to-read, user-friendly interface

• Time and achievement statistics

Sudoku is not just an entertaining game, but also a great way to exercise your brain daily. Suitable for all ages!