The Best 18 Sudoku Games Online to Play in 2023

What is a better way to flex your brainpower than to solve Sudoku puzzles? Sudoku puzzles are one of the best ways of passing the time for centuries. This 19th-century brainstorming game originated in Japan. Originally it was known as ‘Number Place.’ The French made Sudoku famous by publishing it in the newspaper in 1979. You usually need a piece of Sudoku puzzle and a pen or pencil to write down the numbers. But now, technology has made playing Sudoku much easier and more accessible. You can easily play Sudoku Games Online.

Today’s article is about how you can play Sudoku online for free. Here is our list of The 17 Best Sudoku games online in 2022.


What is Sudoku? It is a question that might come to mind for those unfamiliar with the game. Simply put, it is a game of puzzles where a player has to fill a 9×9 grid with numbers so that each column and row has 3×3 sub-grids containing the numbers from 1 to 9.

The task has made it more difficult as some numbers are randomly pre-filled in the puzzles.

The Japanese first invented the Sudoku puzzles, which were called the number place back then. Maki Kaji, president of the Japanese Puzzle manufacturing company Nikoli,’ abbreviated the Japanese word Sūji wa dokushin ni kagura to English Sudoku.

The modern-day Sudoku was introduced in Dell magazine in the 19th century. In 1979 Del,l Magazines published a Sudoku puzzle designed by 74 years old architect Howard Garns.  

Rules of Playing Sudoku

Playing Sudoku is not complicated, but you must have a good eye and understand numbers to solve the puzzle efficiently. There are some basic rules of Sudoku, and here they are:

  • There are 9×9 grids, and inside that, there are 3×3 sub-grids. That divides the puzzle into 81 cells (nine rows and nine columns). You have to fill the cells with numbers.
  • When filling the empty cells, you cannot use a number twice in the same row, column, or block.
  • There will be at least 17- 30 pre-filled cells on the puzzle.

Solving a Sudoku Puzzle: Methods and Tips

Remember, every Sudoku puzzle has only one correct way to solve it, depending on the pre-filled cells. There are several techniques for solving the puzzle, but you don’t have to worry about them. If you are a beginner, we suggest you start with a puzzle with many cells pre-filled. It will be much easier for you to fill.

Start by identifying the missing sole numbers. Look in the row and column to find out which numbers are missing. Then cross-check if the missing number is in the next row or column. If you have found an isolated number, write it in the first blank cell. Following the same procedure fills the rest of the cells.

Use a pencil to write down the numbers. If you make any mistake, it would be easier to erase and redo the writing. Concentrate and remember to find the numbers from 1 to 9. 

World Sudoku Championship (WSC)

Every year the World Puzzle Federation organizes the World Sudoku Championship. It is the ultimate competition for Sudoku players around the globe. In 2006 the 1st WSC was held in Lucca, Italy, and the most recent WSC was held in 2019 in Kirchheim, Germany. In 2022 the 16th WSC will be held in Shanghai, China. The competition is usually held in the ‘Individual and Team’ category. Japan is the most successful team in the World Sudoku Championship, securing victory in 2007, 2012, 2014, 2015, 2018, and 2019.

Creating a Sudoku Puzzle

To create a Sudoku puzzle at home, follow the following steps.

Step 1: Take a piece of a square sheet of paper, a pen/ pencil, and a ruler.

Step 2: draw a large square on the paper and divide the square into a 3×3 equal grid. You will get 9 smaller grids.

Step 3: Next, divide the 9 squares into 3×3 grids. Now you will have 81 small cells. Our puzzle cells are ready.

Step 4: Write down the numbers randomly in the 3×3 grid cells. Remember that every 3×3 grid should have numbers from 1 to 9.

Step 5: Finally, take an eraser and erase some numbers randomly, keeping 17- 25 numbers intact. Your Sudoku puzzle is ready.

If you don’t want to go through the hassles, you can take the help of an online Sudoku puzzle generator. Sudoku Web is a great site to create and print Sudoku puzzles for free. 

Best Sites to Play Sudoku Online for Free

Here are some great sites where you can play Sudoku for free. We recommend you bookmark some of these websites so that it is easier to access.

1. Sudoku Styles by ATK Solutions Inc

Sudoku Styles by ATK Solutions IncSo, first of all, I would like to recommend Sudoku Styles by ATK Solutions Inc. Sudoku is a game of the brain. Our brain is connected with the other parts of the body. Again, the eye is the most important—this game relieves your eyes with its adjustable background color.

Sudoku Styles is a unique game that focuses on puzzles of different levels. It has three difficulty levels Easy, Medium, and Hard. It also has nine additional designed variations, and it works around the concept of constraints.

Play Here


Sudoku is one of the most popular puzzle online games.Sudoku is one of the most popular online puzzle games. The goal is simple, fill in the boxes in the grid so each column, row, and 3×3 square has the numbers 1-9 appearing once each.

There are hundreds of thousands of different Sudoku puzzles. Take the daily Sudoku challenge and see if you can correctly complete a new game board every day. Adjust the settings and play on the more difficult levels when the solution becomes too easy.

Play Here

3. Play Sudoku Online

Play Sudoku OnlinePlay Sudoku online is the best site to play Sudoku for free. The website offers Sudoku puzzles on four levels: easy, medium, challenging, and complex. The site lets you play by clicking on an empty cell, typing in the number you wish to put in, or using the mouse to select a cell and click the numbers.

Play Sudoku online allows you to restart or undo a move with a single click. You can try unlimited times before succeeding. Sadly, Sudoku Online is not optimized for smartphones. So you cannot play the game on mobile devices.

4. 247 Sudoku

247 Sudoku247 Sudoku is a fantastic online app for playing Sudoku. It feels and looks like a mobile game that you can play online. The interface is attractive looking. You can take part in daily challenges or solve the usual puzzle. 247 Sudoku has four difficulty levels- Sudoku Easy, Sudoku Medium, Sudoku Hard, and Sudoku Expert.

You can select an empty cell and type in the number or choose from the numbers below the puzzle sheet. 247 Sudoku offers different season-themed Sudoku puzzles. With the six seasons come six different-looking Sudoku puzzles. 247 Sudoku has made solving Sudoku puzzles more fun and exciting. It is a kid-friendly site, and children will love solving puzzles on 247 Sudoku.

Play Here

5. Web Sudoku

Web Sudoku OnlineNext on our list is Web Sudoku, a straightforward Sudoku-playing website. The game has a clean interface and a simple look. The site has been satisfying Sudoku lovers since 2005. A deluxe Web Sudoku is available for Windows and Mac OS download. The deluxe version is priced at $14.95. Web Sudoku has apps on the Google play store and App Store.

Unlike Sudoku online Web, Sudoku has a dedicated app for mobile devices. So you can enjoy a game of Sudoku while waiting in line for your morning coffee. The game offers four difficulty levels. They are easy, medium, challenging, and evil. The last one is truly a monster to solve and requires a lot of concentration.

Play Here

6. the Sudoku Kingdom

Sudoku KingdomThe Sudoku Kingdom is your daily Sudoku playing website. It is my personal favorite for solving Sudoku. It has a leaderboard option. The top 5 players who have obtained 100 scores are randomly chosen and rewarded by the Sudoku Kingdom via email. So if you want to compare your skill as a Sudoku puzzle solver with players worldwide, Sudoku Kingdom is perfect for you.

Another thing about the Sudoku Kingdom is a picture puzzle at the bottom of the Sudoku that fills you as you progress on the Sudoku. You can register on the Sudoku Kingdom and keep a tab on your progress. There are new puzzles every day for you. Just like other online puzzles, Sudoku Kingdom has four difficulty levels.

Play Here

7. Sudoku Menu

Sudoku MenuSudoku Menu is a daily Sudoku game that will give you company in your leisure. They offer puzzles for beginners to professionals. The website has multilingual support covering all major languages. The website is optimized for mobile devices too. So, you can enjoy a game of Sudoku on your smartphone.

Sudoku Menu has multiple difficulty levels: easy, moderate, complex, challenging, demanding, diagonal, and odd/ even. You can check for the solutions after solving the puzzle. Sudoku Menu lets you print out the puzzles if you want.

Play Here

8. Elite Sudoku

Elite SudokuElite Sudoku is a free online Sudoku playing website that has a premium interface. It requires you to create a free account to keep track of your progress. You cannot select different Sudoku puzzles. Instead, they give a new set of Sudoku every day. You can see the leaderboard on the site.

Elite Sudoku lets you undo your selection unlimited times; after solving it, you can validate it. Elite Sudoku offers free Sudoku games that are fun to play and brings out the professional Sudoku solver in you.

You can select a cell and type in the number you want to use the scrolling method on the counter, like the number box, to select your desired number. To me, the look of Elite Sudoku with grey and black color is much more attractive than other free Sudoku puzzles.

9. is one site you won’t forget due to its unique domain name. It has become a popular online Sudoku playing site for its name. The site has many valuable features other than just the domain name. It has a clean and refined look that catches the eye. The app is free, of course. has four difficulty levels for you to try; easy, medium, challenging, and expert. During the solving stage, you can check for mistakes up to 5 times. You can click on the cells and type the number or use your mouse to click the virtual numbers. There is an Android and iOS app too.

Play Here

10. Live Sudoku

Live Sudoku is a free-to-play online Sudoku-playing website. This strategy game offers solo and multiplayer Sudoku games for you to enjoy. Moreover, you can play the game by yourself or challenge players worldwide. There is a leaderboard where you can see the current leaders of the game.

You can put your name on the leaderboard by registering to Live Sudoku and winning the puzzle. The game has 4 levels: easy, medium, challenging, and evil. You can check for mistakes and correct them. The interface is child-friendly, and anyone up for the challenge will enjoy Live Sudoku.

Play Here                                                

11. Sudoku. game

sudoku games online easySudoku. Game is another excellent website for playing Sudoku online. The site’s interface is clean, and the puzzle covers the whole page of your browser, making it much easier to see and play. Just like other online Sudoku games, it has four difficulty levels.

In addition to Sudoku, you can play mahjong and solitaire. You can select a cell, type in the numbers, or choose from the onscreen virtual numbers. Sudoku. The game is a fantastic free-to-play online Sudoku puzzle game perfect for everyone.

Play Here

12. Play Sudoku

Play SudokuPlay Sudoku is another clean-looking free-to-play puzzle game. It offers easy Sudoku puzzles for you. Your progress is saved automatically, and you can pause the timer by taking a break. The website has multilingual support covering more than 15 languages.

If you are new to Sudoku puzzles, we recommend Play Sudoku. You cannot change the puzzle by yourself. The site updates the puzzles every day. The archive option on the site stores all previous puzzles with the solution if you want to try them later. It is a tremendous beginner-level website for those interested in Sudoku.

Play Here

13. Sudoku

Sudoku online.ioSudoku has four difficulty levels: easy, medium, hard, evil, and impossible. They graciously provide delicious Sudoku for your brain games online. The web Sudoku evil is particularly tricky to solve. You can check the solutions after solving the puzzles. You can start over as often as you want or choose a new puzzle.

Sudoku is a daily Sudoku game that will give you company at your leisure. The site offers puzzles for beginners to puzzle masters. The website is optimized for mobile devices too. So, you can enjoy a game of Sudoku on your smartphone. It also has its Android and iOS game, Sudoku Genius, for you to try.

Play Here

14. Sudoku Bum

Sudoku BumSudoku Bum is an excellent web Sudoku easy playing game for everybody. The site provides you with simplistic Sudoku puzzles for you to solve. It also shows you if your answer to the puzzle is correct. You can restart the game multiple times and choose a new one.

Sudoku bum has six levels: very easy, easy, medium, challenging, very tough, and extreme. Select an empty cell and type the numbers from your keyboard. There is no virtual number on the screen. The game is free to play and compatible with mobile devices.

Play Here

15. Sudoku Exchange

Sudoku ExchangeAnother fun to play online Sudoku app is Sudoku Exchange. A single person develops this site and provides the best Sudoku puzzles. The website is best for people who want to solve puzzles and people who want to submit their puzzles for the mass to try.

Sudoku Exchange is a free website, and you don’t have to create an account to enjoy a game of puzzles. It offers difficulty levels of easy, medium, challenging, and sinister. You can check for mistakes and correct your answer accordingly. There are no unlimited numbers of puzzles. Sadly the number of puzzles is fixed, and you can play only those as the site is still under development. But there is a sufficient number of Sudoku for you to try.

Play Here

16. Puzzle Baron’s Sudokus

Puzzle Baron’s SudokusPuzzle Baron’s Sudokus is an online Sudoku-solving site for those serious about playing Sudoku. They mean business as they provide the best intricate puzzles for you. It features four levels: easy, medium, complex, and ridiculous. All levels have two modes. You can choose Play Competitively, with no hints, penciling, or limited undo. The Play for Fun mode gives you hints, penciling, unlimited undo and redo and cross-checking your answer. Puzzle Baron’s Sudokus holds monthly Sudoku competitions where you can compete against players worldwide.

Play Here

17. Sudoku 9×9

Sudoku 9x9Sudoku 9×9 is the last Sudoku game online on our list. It is a killer Sudoku online game for you to try. It has a simple interface with many useful features. You can choose different colors, grid designs, and more. To put it, you can customize the interface of the puzzle. It has an average puzzle as well as diagonal Sudoku on Sudoku 9×9.

You can check for answers when you try to solve it and undo and redo your action as much as possible. You can also create your Sudoku puzzles on Sudoku 9×9. It has five-level for you to play. They are Kindergarten, Elementary, High School, College, and Graduate.

Play Here

18. Sudoku by Solitaire

solitaired sudokuSolitaire is a popular classic game destination with games like Solitaire, Spider, FreeCell, and Minesweeper. Now they have Sudoku.

Play across six difficulty levels, with the hardest called “inhuman.” Each level gives you fewer squares that are filled out. As you play, you can check your numbers to make sure there are no mistakes while trying to solve the game. Once you’re done, keep playing. You can play unlimited games!

Play Now

Final Conclusion

Sudoku puzzles have been how to recharge your brain for a long time. It can energize your brain as well as make you active. It is not that hard to play the game, but will you be able to master it? Please learn your capability by playing any free Sudoku puzzles online from our list. Let us know which one was your favorite. Share the article if you found it helpful.

Fardeen is a tech expert and enthusiast who graduated from a reputable university. With his passion for technology and commitment to staying up-to-date with the latest advancements, Fardeen has become a valuable resource for anyone seeking guidance in the ever-evolving digital landscape. His dedication and eagerness to share his knowledge with others make him a valuable asset in the technology industry. Fardeen's skills and expertise could be harnessed to pursue a career in technology or even start his venture to help others harness the power of technology.

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