Sudoku Hard

There are many techniques to solve this puzzle game. Firstly, you can start to scan rows and columns within the triple-box area, removing squares or numbers. Secondly, you need to find a cell in which you can enter a number. But not a random number. This must be the correct number. In other words, you need to have one unique number across rows and columns to place the correct number. Try it out. You can always erase if you made a mistake. In conclusion, this technique is the easiest way to start open cells and getting closer to win the game. Are you ready to start?

You are getting it done, slowly but surely. Features:

• The best 9×9 grid;
• Eraser. Get rid of the mistakes;
• Hints to help you with your progress;
• Timer to track how fast you can solve it;
• Simple and intuitive design. Mobile friendly.

After that, if you like the sudoku puzzle game – don’t forget to rate the game on this page. Enjoy the game.

Need more information about rules and tips & tricks? Learn how to play Sudoku on our blog post.

Want to play a lighter and easier version? No problem, we have it. Play Sudoku Easy game, or Sudoku Medium game, or Web Sudoku game.

Ready to move yourself to the next level? Try Sudoku Expert game!

In addition

Become a master of hard sudoku. This hard sudoku puzzle gives you an amazing opportunity to boost your sudoku skills. Just simply choose the cell and start entering numbers into it. Don’t know what number to enter? Learn how to play Sudoku to get more knowledge of the game. Do you already know how to play? Go ahead and solve this tricky sudoku puzzle.