Play Free Online Sudoku Number Puzzle Game

Are you looking for a free, online logic or brain game to play and keep yourself busy with? Here is a free game app for playing Sudoku logic game online on different game mode: easy, moderate, difficult, expert.

how to play free sudoku brain and logic game online

Free Online Sudoku Brain & Logic Game App

Features of the Free Online Sudoku Game App & How it Works

Below are some unique features of the online Sudoku game app and how to use it:

User-Friendly and Responsive Interface

The app has a very user-friendly and responsive interface that can be used on any device, both mobile and PC. Also it is very interactive. So any online user can use it easily.

Play the Game with any of the 4  Modes/Levels you Like

There are 4 levels available in the game: Easy, Moderate, Difficult and Expert. Tap the button of any of the levels you wish to play on.

If you wish to see the solution of the current game session, tap the Solution button. To start a new game session, tap the New Game button.

What is Sudoku Game?

Sudoku game is a very popular Japanese puzzle and brain game that purely based on logical placement of numbers. You don’t need a calculator or any special maths skill to play the game. All you need is concentration and reasoning.

How to Play Sudoku Game

The main aim of the game is for you to fill the 9×9 grid with numbers, such that each rows, columns and 3×3 sections contains all the digits between 1 and 9.

You will notice at the start of the game that some of the squares have already been filled with digits. Now you need to apply logic and fill the missing digits, so that the grid becomes completely filled with digits 1 to 9.

A move is incorrect in the game if:

  • Any column contains more than one of the same digits from 1 to 9.
  • Any row contains more than one of the same digits from 1 to 9.
  • Any 3×3 grid contains more than one of the same digits from 1 to 9.

Helpful Tips for Playing Sudoku Game

  • First tip is to check for rows and columns of 3×3 sections that contain not less than 5 numbers. Now in the remaining empty cells, try to fix the other numbers that have not been used there. This will help you discover the numbers that should be placed in these empty cells, considering the numbers that have already been fixed in its row, column and its 3×3 grid/section.
  • Second tips is to visually break up the grid into 3 columns and 3 rows. There will be three 3×3 grids in each large row and three 3×3 grids in each large column. Now, check out for columns or grids that have two of the same number. By logic, you should see a 3rd copy of the same number in the remaining 9-cell section. For the remaining 9 positions, try and see if you can find the location of the missing digit. You can check Sudoku Official site to learn more about Sudoku game.



You have learnt all about our free online Sudoku logic and brain game app and how to use it, how to play the game, tips for understanding the concept of the game, etc. Feel free to play the game.

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About the Author: Buzzer Joseph

I am an entrepreneur who believes that anybody can achieve whatever goal he/she sets, so long as you follow the right path. I fully decided to take entrepreneurship as a lifestyle in 2014 and have never regretted that decision. Even though I failed many times, but my failures helped me discover my hidden potentials. I blog at Buzzing Point - and Microsoft Tutorials - where I help young entrepreneurs to discover their hidden potentials and how to turn their passions to income streams. I am also a guest blogger at In fact, I can't do without the internet. I love surfing the net and making research, and then updating my fans on the latest buzzing info. I am also active in Quora, especially in my spaces, Lucrative Business Ideas - and Free Blockchain Tools -

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