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Livesudoku requires javascript support in order to play Sudoku  [](https://www.livesudoku.com/) [](https://www.livesudoku.com/) [](https://www.facebook.com/groups/1499445833672803) Love puzzles? [Play Jigsaw Puzzles\!](https://www.jspuzzles.com/) New Game - [Home](https://www.livesudoku.com/) - [How to Play](https://www.livesudoku.com/en/how-to-play-sudoku.php) - [ Sign in](https://www.livesudoku.com/en/signin.php) - [Logoff]() [Homepage](https://www.livesudoku.com/) [How to Play](https://www.livesudoku.com/en/how-to-play-sudoku.php) [Daily Sudoku](https://www.livesudoku.com/en/daily-sudoku.php) [Printable Sudoku](https://www.livesudoku.com/en/printable-sudoku.php) [My Profile and Settings](https://www.livesudoku.com/en/signin.php) [Sudoku Multiplayer](https://www.livesudoku.com/en/lobby.php) [Contact us](https://www.livesudoku.com/en/contactus.php) [Logoff]() [Sign in](https://www.livesudoku.com/en/signin.php)  # Sudoku Online # Play Sudoku - [ Easy Sudoku](https://www.livesudoku.com/en/sudoku/easy/) - [ Medium Sudoku](https://www.livesudoku.com/en/sudoku/medium/) - [ Hard Sudoku](https://www.livesudoku.com/en/sudoku/hard/) - [ Evil Sudoku](https://www.livesudoku.com/en/sudoku/evil/) [](https://www.livesudoku.com/en/sudoku/medium/870040) - [ Easy Sudoku](https://www.livesudoku.com/en/sudoku/easy/) - [ Medium Sudoku](https://www.livesudoku.com/en/sudoku/medium/) - [ Hard Sudoku](https://www.livesudoku.com/en/sudoku/hard/) - [ Evil Sudoku](https://www.livesudoku.com/en/sudoku/evil/)  ## Multi Player Compete against someone - Live\! [Enter Lobby](https://www.livesudoku.com/en/lobby.php)  ### [Daily Sudoku](https://www.livesudoku.com/en/daily-sudoku.php) - 11/04/2026 (ET) [](https://www.livesudoku.com/en/sudoku/easy/311793) [Easy](https://www.livesudoku.com/en/sudoku/easy/311793 "Play easy daily sudoku number 311793") [07:23 ⏰](https://www.livesudoku.com/en/stats/sudoku/easy/311793 "Play easy daily sudoku number 311793") [](https://www.livesudoku.com/en/sudoku/medium/596694) [Medium](https://www.livesudoku.com/en/sudoku/medium/596694 "Play medium daily sudoku number 596694") [14:22 ⏰](https://www.livesudoku.com/en/stats/sudoku/medium/596694 "Play medium daily sudoku number 596694") [](https://www.livesudoku.com/en/sudoku/hard/1362856) [Hard](https://www.livesudoku.com/en/sudoku/hard/1362856 "Play hard daily sudoku number 1362856") [24:18 ⏰](https://www.livesudoku.com/en/stats/sudoku/hard/1362856 "Play hard daily sudoku number 1362856") [](https://www.livesudoku.com/en/sudoku/evil/1552333) [Evil](https://www.livesudoku.com/en/sudoku/evil/1552333 "Play evil daily sudoku number 1552333") [19:27 ⏰](https://www.livesudoku.com/en/stats/sudoku/evil/1552333 "Play evil daily sudoku number 1552333")  ## How to Play Sudoku The goal of a Sudoku puzzle game is to fill a 9x9 grid with numbers so that each row, column and 3x3 section contain all digits between 1 and 9. Learn how to solve Sudoku puzzles online with our free Sudoku tutorials, It doesn't matter if you're an absolute beginner or a Sudoku master\! [ Learn how to play Sudoku](https://www.livesudoku.com/en/how-to-play-sudoku.php) ### Hello - [ My Profile and Settings](https://www.livesudoku.com/en/userpref.php) - [ My Statistics](https://www.livesudoku.com/) - [ Load Game](https://www.livesudoku.com/en/loadgame.php) - [ Logoff]() Create an account to play multiplayer Sudoku, earn points and get high scores. [Sign in](https://www.livesudoku.com/en/signin.php) [Register](https://www.livesudoku.com/en/register.php) or connect with Facebook: [](https://www.livesudoku.com/) Live Sudoku is a home for all online Sudoku players from all around the globe. [](https://www.livesudoku.com/en/printable-sudoku.php "Printable Sudoku") ## Printable Sudoku \| Sudoku Books In a time dominated by screens, our [printable sudoku](https://www.livesudoku.com/en/printable-sudoku.php) pages provide a refreshing break and offer a hands-on experience that engages both young and old minds alike. ### Latest Games | Play | Level | \# | Player | Time | When | |---|---|---|---|---|---| | [](https://www.livesudoku.com/en/sudoku/hard/1215899) | Hard | [1215899](https://www.livesudoku.com/en/sudoku/hard/1215899) | | [19:44](https://www.livesudoku.com/en/stats/sudoku/hard/1215899) | 2026-04-11 19:44:59 | | [](https://www.livesudoku.com/en/sudoku/easy/311793) | Easy | [311793](https://www.livesudoku.com/en/sudoku/easy/311793) | [txnforcr](https://www.livesudoku.com/en/user/177416413) | [02:20](https://www.livesudoku.com/en/stats/sudoku/easy/311793) | 2026-04-11 19:44:57 | | [](https://www.livesudoku.com/en/sudoku/medium/855585) | Medium | [855585](https://www.livesudoku.com/en/sudoku/medium/855585) | [Otsugua](https://www.livesudoku.com/en/user/330713911719) | [06:06](https://www.livesudoku.com/en/stats/sudoku/medium/855585) | 2026-04-11 19:44:29 | | [](https://www.livesudoku.com/en/sudoku/evil/1845524) | Evil | [1845524](https://www.livesudoku.com/en/sudoku/evil/1845524) | [Jopukka](https://www.livesudoku.com/en/user/330754627503) | [1:00:06](https://www.livesudoku.com/en/stats/sudoku/evil/1845524) | 2026-04-11 19:44:16 | | [](https://www.livesudoku.com/en/sudoku/medium/791209) | Medium | [791209](https://www.livesudoku.com/en/sudoku/medium/791209) | [Jean26](https://www.livesudoku.com/en/user/330737692356) | [02:46](https://www.livesudoku.com/en/stats/sudoku/medium/791209) | 2026-04-11 19:44:07 | | [](https://www.livesudoku.com/en/sudoku/evil/1614128) | Evil | [1614128](https://www.livesudoku.com/en/sudoku/evil/1614128) | [grins](https://www.livesudoku.com/en/user/364156089) | [19:29](https://www.livesudoku.com/en/stats/sudoku/evil/1614128) | 2026-04-11 19:44:02 | | [](https://www.livesudoku.com/en/sudoku/medium/699014) | Medium | [699014](https://www.livesudoku.com/en/sudoku/medium/699014) | [She-she](https://www.livesudoku.com/en/user/190756851) | [05:03](https://www.livesudoku.com/en/stats/sudoku/medium/699014) | 2026-04-11 19:41:52 | | [](https://www.livesudoku.com/en/sudoku/evil/1649070) | Evil | [1649070](https://www.livesudoku.com/en/sudoku/evil/1649070) | [gilbertgrape](https://www.livesudoku.com/en/user/330743449843) | [08:44](https://www.livesudoku.com/en/stats/sudoku/evil/1649070) | 2026-04-11 19:41:49 | | [](https://www.livesudoku.com/en/sudoku/hard/1022227) | Hard | [1022227](https://www.livesudoku.com/en/sudoku/hard/1022227) | [Lolo Brigida](https://www.livesudoku.com/en/user/330770854952) | [1:56:01](https://www.livesudoku.com/en/stats/sudoku/hard/1022227) | 2026-04-11 19:41:34 | | [](https://www.livesudoku.com/en/sudoku/evil/1777965) | Evil | [1777965](https://www.livesudoku.com/en/sudoku/evil/1777965) | [Eyal Glanz](https://www.livesudoku.com/en/user/330769657818) | [09:28](https://www.livesudoku.com/en/stats/sudoku/evil/1777965) | 2026-04-11 19:41:23 | ## About live sudoku LiveSudoku.com is a home for all online Sudoku players from all over the world. A [Sudoku puzzle](https://en.wikipedia.org/wiki/Sudoku) is a numeric crossword puzzle where the goal is to fill up a 9x9 grid with digits so that each column, each row and each of the 3×3 sub-grids contains all the digits from 1 to 9. Live-Sudoku was created in 2006 and is one of the original websudoku sites. The creator of the website Mr. Izenberg built it with the same love he has for the game. LiveSudoku is home to all Sudoku players around the world from easy and medium sudokus to hard and evil sudoku levels. You can invite a fellow Sudokuer for a match of speed and concentration. Sign in to track your statistics, see your best and worst games and compete in the arena of sudoku enthusiasts. Enjoy your game\! ## Free Printable sudoku puzzles Are you looking for sudoku puzzles to print? Here you can find free printable sudoku puzzles, just go to the game you want to print and click on the print button to get you Sudoku on paper and solve it on your time away from your mobile or desktop. ## About Sudoku Playing Sudoku is an interesting experience and once you play, you feel compelled to play again, or to solve this hard puzzle you got stuck on. It's challenging and yet solvable. Because the principle of the game is so simple and we can understand it so well, we feel empowered to solve it. And it can be frustrating also. Hard sudoku and evil web sudoku levels are very difficult sudokus that require skills and experience and are great for practicing concentration and patience. My experience is, when I have a few minutes free during the day, I want to rest and clear my head. Playing this game of thought should be tiring, but it isn't. Sudoku is refreshing! Perhaps it is the reason Sudoku is considered as a game to improve concentration, memory and analytical thinking. It drives us to keep challenging ourselves in this simple thought game. ## How to Solve Sudoku The sudoku rules are very simple. All the cells need to have a number from 1 to 9. Notice the highlighted cells in the picture:  These are groups that need to have 1 to 9 numbers without repetition (a number can be used only once in each separate column, each row and in each small 3 x 3 grid). The crossing sections are the limitations and the way to solve the puzzle. You will understand much faster and acquire important Sudoku techniques quick with our [interactive sudoku Tutorial](https://www.livesudoku.com/en/how-to-play-sudoku.php). Start from the basics on how to play Sudoku. ## Free Sudoku Every Day | | | | |---|---|---| | [](https://www.facebook.com/groups/1499445833672803) [Facebook](https://www.facebook.com/groups/1499445833672803) | | [](https://whatsapp.com/channel/0029Vb9JOnsBlHpjLRDyTS0H) [WhatsApp](https://whatsapp.com/channel/0029Vb9JOnsBlHpjLRDyTS0H) | | [](https://www.instagram.com/live_sudoku/) [Instagram](https://www.instagram.com/live_sudoku/) | | [](https://www.livesudoku.com/en/userpref.php) [Email](https://www.livesudoku.com/en/userpref.php) | Follow our social profiles to get your daily brain exercise. Never miss a daily Sudoku again\!  ## Sudoku Tips For the beginner Sudoku player, here are some tips to get you started: [Last Digit / Full House](https://www.livesudoku.com/en/tutorial-lastdigit.php) involves simply counting all the different numbers in a row, column and box that are related to one particular cell. If there is only one number missing, then that is the number to place in the cell. [Hidden Singles](https://www.livesudoku.com/en/tutorial-hiddensingles.php) are cells that have only one possible digit available when scanning it's related row, column and box. It involves scanning the rows, columns and box in order to determine where a specific number can be in a given house/region, keeping the unique number rule in mind. For more info and to learn advanced solving techniques visit our [Sudoku Techniques section](https://www.livesudoku.com/en/how-to-play-sudoku.php). [ Learn how to play Sudoku](https://www.livesudoku.com/en/how-to-play-sudoku.php) ## Advanced Sudoku tips Skip to the medium or hard tutorial, like - what are pencil marks or go directly into advanced sudoku techniques and advanced sudoku strategies like: [X Wing](https://www.livesudoku.com/en/tutorial-x-wing.php) [Swordfish](https://www.livesudoku.com/en/tutorial-swordfish.php) XY wing or [Y wing](https://www.livesudoku.com/en/tutorial-xy-wing.php) to solve some seriously extreme sudoku puzzles or in their notorious name - [evil Sudoku](https://www.livesudoku.com/en/sudoku/evil/)... ## The LiveSudoku game features If you are a frequent user here you probably know the great ease in which the game is set in our sudoku kingdom. For you the new visitor, a great feature we have is called [highlight digit](https://www.livesudoku.com/en/tutorial-highlights.php), which highlights the digit you want across the whole grid, making it very eye-friendly to spot that eluding empty cell. For the advanced sudoku games, you can use the [pencil marks](https://www.livesudoku.com/en/tutorial-pencilmarks.php) which lets you type in more than one optional digit in a specific cell, allowing you to narrow down all the optional numbers. There is also an undo button which is so useful. You can check yourself at any time with the check solution button. You can press the options button and tweak your preferences of some colors and our help level. So start playing web sudoku easy level and have fun\! ## Sudoku pronunciation People write sudoku in several ways such as suduku, sudoko, suduku, suduko and even sukoku. Of course, the correct one is Sudoku. ## Some facts about web Sudoku Sudoku was invented in Japan and is played all around the world. Mobile phones increased the number of people playing sudoku and the frequency of their games in several scales. Some of the most popular Sudoku websites out there are websudoku, sudoku.com, 247sudoku, sudoku.game, sudoku kingdom and there are thousands of websites in which you can play the game. Needless to say, here at live sudoku you get the most devoted and intelligent sudoku experience out there.  ## The Sudoku Game Sudoku has its deep roots in ancient number puzzles and in the mathematical concept of Latin Squares. It is a Japanese word: Su (meaning 'number') and Doku (meaning 'single') however Sudoku originated in Switzerland in the 18th Century and was introduced to Japan via America.  ## Play Sudoku Online\! Playing free Sudoku puzzles builds concentration and brain power and does not require any special math or calculation skills. Sudoku is based on the logical placement of numbers and playing free Sudoku games daily is a great way to develop your thinking and problem solving skills. Start playing today to discover the benefits. *** X Start a Random Sudoku | | | | |---|---|---| | [Easy](https://www.livesudoku.com/en/sudoku/easy/) | | [Medium](https://www.livesudoku.com/en/sudoku/medium/) | | [Hard](https://www.livesudoku.com/en/sudoku/hard/) | | [Evil](https://www.livesudoku.com/en/sudoku/evil/) | - [The Guestbook](https://www.livesudoku.com/guestbook.php) - [Search](https://www.livesudoku.com/en/search.php) - [Play a Specific Sudoku](https://www.livesudoku.com/en/startspecific.php) - [Legacy Hall of Fame](https://www.livesudoku.com/en/toplegacy.php) - [LiveSudoku Facebook Group](https://www.facebook.com/groups/livesudoku) - [Back to the Homepage](https://www.livesudoku.com/) [](https://www.livesudoku.com/) [](https://www.livesudoku.com/indexes.php) [](https://www.livesudoku.com/indexhe.php) [](https://www.livesudoku.com/indexnl.php) [](https://www.livesudoku.com/indexpl.php) [](https://www.livesudoku.com/indexit.php) [](https://www.livesudoku.com/indexde.php) [](https://www.livesudoku.com/indexfr.php) [](https://www.livesudoku.com/indexpt.php) [](https://www.livesudoku.com/indexfi.php) [](https://www.livesudoku.com/indexse.php) [](https://www.livesudoku.com/indexbg.php) [Links](https://www.livesudoku.com/en/links.php) \| Graphic design by Joto Design While using this site, you agree to have read and accepted our [Terms of use Policy](https://www.livesudoku.com/en/terms.php) \| [Privacy Policy](https://www.livesudoku.com/en/privacy-policy.php) \| [Contact us](https://www.livesudoku.com/en/contactus.php) Copyright © 2006-2026 LiveSudoku.com, All rights reserved.      70

[](https://www.livesudoku.com/en/printable-sudoku.php "Printable Sudoku") ## Printable Sudoku \| Sudoku Books In a time dominated by screens, our [printable sudoku](https://www.livesudoku.com/en/printable-sudoku.php) pages provide a refreshing break and offer a hands-on experience that engages both young and old minds alike. Latest Games | Play | Level | \# | Player | Time | When | |---|---|---|---|---|---| | [](https://www.livesudoku.com/en/sudoku/hard/1215899) | Hard | [1215899](https://www.livesudoku.com/en/sudoku/hard/1215899) | | [19:44](https://www.livesudoku.com/en/stats/sudoku/hard/1215899) | 2026-04-11 19:44:59 | | [](https://www.livesudoku.com/en/sudoku/easy/311793) | Easy | [311793](https://www.livesudoku.com/en/sudoku/easy/311793) | [txnforcr](https://www.livesudoku.com/en/user/177416413) | [02:20](https://www.livesudoku.com/en/stats/sudoku/easy/311793) | 2026-04-11 19:44:57 | | [](https://www.livesudoku.com/en/sudoku/medium/855585) | Medium | [855585](https://www.livesudoku.com/en/sudoku/medium/855585) | [Otsugua](https://www.livesudoku.com/en/user/330713911719) | [06:06](https://www.livesudoku.com/en/stats/sudoku/medium/855585) | 2026-04-11 19:44:29 | | [](https://www.livesudoku.com/en/sudoku/evil/1845524) | Evil | [1845524](https://www.livesudoku.com/en/sudoku/evil/1845524) | [Jopukka](https://www.livesudoku.com/en/user/330754627503) | [1:00:06](https://www.livesudoku.com/en/stats/sudoku/evil/1845524) | 2026-04-11 19:44:16 | | [](https://www.livesudoku.com/en/sudoku/medium/791209) | Medium | [791209](https://www.livesudoku.com/en/sudoku/medium/791209) | [Jean26](https://www.livesudoku.com/en/user/330737692356) | [02:46](https://www.livesudoku.com/en/stats/sudoku/medium/791209) | 2026-04-11 19:44:07 | | [](https://www.livesudoku.com/en/sudoku/evil/1614128) | Evil | [1614128](https://www.livesudoku.com/en/sudoku/evil/1614128) | [grins](https://www.livesudoku.com/en/user/364156089) | [19:29](https://www.livesudoku.com/en/stats/sudoku/evil/1614128) | 2026-04-11 19:44:02 | | [](https://www.livesudoku.com/en/sudoku/medium/699014) | Medium | [699014](https://www.livesudoku.com/en/sudoku/medium/699014) | [She-she](https://www.livesudoku.com/en/user/190756851) | [05:03](https://www.livesudoku.com/en/stats/sudoku/medium/699014) | 2026-04-11 19:41:52 | | [](https://www.livesudoku.com/en/sudoku/evil/1649070) | Evil | [1649070](https://www.livesudoku.com/en/sudoku/evil/1649070) | [gilbertgrape](https://www.livesudoku.com/en/user/330743449843) | [08:44](https://www.livesudoku.com/en/stats/sudoku/evil/1649070) | 2026-04-11 19:41:49 | | [](https://www.livesudoku.com/en/sudoku/hard/1022227) | Hard | [1022227](https://www.livesudoku.com/en/sudoku/hard/1022227) | [Lolo Brigida](https://www.livesudoku.com/en/user/330770854952) | [1:56:01](https://www.livesudoku.com/en/stats/sudoku/hard/1022227) | 2026-04-11 19:41:34 | | [](https://www.livesudoku.com/en/sudoku/evil/1777965) | Evil | [1777965](https://www.livesudoku.com/en/sudoku/evil/1777965) | [Eyal Glanz](https://www.livesudoku.com/en/user/330769657818) | [09:28](https://www.livesudoku.com/en/stats/sudoku/evil/1777965) | 2026-04-11 19:41:23 | About live sudoku LiveSudoku.com is a home for all online Sudoku players from all over the world. A [Sudoku puzzle](https://en.wikipedia.org/wiki/Sudoku) is a numeric crossword puzzle where the goal is to fill up a 9x9 grid with digits so that each column, each row and each of the 3×3 sub-grids contains all the digits from 1 to 9. Live-Sudoku was created in 2006 and is one of the original websudoku sites. The creator of the website Mr. Izenberg built it with the same love he has for the game. LiveSudoku is home to all Sudoku players around the world from easy and medium sudokus to hard and evil sudoku levels. You can invite a fellow Sudokuer for a match of speed and concentration. Sign in to track your statistics, see your best and worst games and compete in the arena of sudoku enthusiasts. Enjoy your game\! Free Printable sudoku puzzles Are you looking for sudoku puzzles to print? Here you can find free printable sudoku puzzles, just go to the game you want to print and click on the print button to get you Sudoku on paper and solve it on your time away from your mobile or desktop. About Sudoku Playing Sudoku is an interesting experience and once you play, you feel compelled to play again, or to solve this hard puzzle you got stuck on. It's challenging and yet solvable. Because the principle of the game is so simple and we can understand it so well, we feel empowered to solve it. And it can be frustrating also. Hard sudoku and evil web sudoku levels are very difficult sudokus that require skills and experience and are great for practicing concentration and patience. My experience is, when I have a few minutes free during the day, I want to rest and clear my head. Playing this game of thought should be tiring, but it isn't. Sudoku is refreshing! Perhaps it is the reason Sudoku is considered as a game to improve concentration, memory and analytical thinking. It drives us to keep challenging ourselves in this simple thought game. How to Solve Sudoku The sudoku rules are very simple. All the cells need to have a number from 1 to 9. Notice the highlighted cells in the picture:  These are groups that need to have 1 to 9 numbers without repetition (a number can be used only once in each separate column, each row and in each small 3 x 3 grid). The crossing sections are the limitations and the way to solve the puzzle. You will understand much faster and acquire important Sudoku techniques quick with our [interactive sudoku Tutorial](https://www.livesudoku.com/en/how-to-play-sudoku.php). Start from the basics on how to play Sudoku. ## Free Sudoku Every Day Follow our social profiles to get your daily brain exercise. Never miss a daily Sudoku again\!  Sudoku Tips For the beginner Sudoku player, here are some tips to get you started: [Last Digit / Full House](https://www.livesudoku.com/en/tutorial-lastdigit.php) involves simply counting all the different numbers in a row, column and box that are related to one particular cell. If there is only one number missing, then that is the number to place in the cell. [Hidden Singles](https://www.livesudoku.com/en/tutorial-hiddensingles.php) are cells that have only one possible digit available when scanning it's related row, column and box. It involves scanning the rows, columns and box in order to determine where a specific number can be in a given house/region, keeping the unique number rule in mind. For more info and to learn advanced solving techniques visit our [Sudoku Techniques section](https://www.livesudoku.com/en/how-to-play-sudoku.php). [ Learn how to play Sudoku](https://www.livesudoku.com/en/how-to-play-sudoku.php) Advanced Sudoku tips Skip to the medium or hard tutorial, like - what are pencil marks or go directly into advanced sudoku techniques and advanced sudoku strategies like: [X Wing](https://www.livesudoku.com/en/tutorial-x-wing.php) [Swordfish](https://www.livesudoku.com/en/tutorial-swordfish.php) XY wing or [Y wing](https://www.livesudoku.com/en/tutorial-xy-wing.php) to solve some seriously extreme sudoku puzzles or in their notorious name - [evil Sudoku](https://www.livesudoku.com/en/sudoku/evil/)... The LiveSudoku game features If you are a frequent user here you probably know the great ease in which the game is set in our sudoku kingdom. For you the new visitor, a great feature we have is called [highlight digit](https://www.livesudoku.com/en/tutorial-highlights.php), which highlights the digit you want across the whole grid, making it very eye-friendly to spot that eluding empty cell. For the advanced sudoku games, you can use the [pencil marks](https://www.livesudoku.com/en/tutorial-pencilmarks.php) which lets you type in more than one optional digit in a specific cell, allowing you to narrow down all the optional numbers. There is also an undo button which is so useful. You can check yourself at any time with the check solution button. You can press the options button and tweak your preferences of some colors and our help level. So start playing web sudoku easy level and have fun\! Sudoku pronunciation People write sudoku in several ways such as suduku, sudoko, suduku, suduko and even sukoku. Of course, the correct one is Sudoku. Some facts about web Sudoku Sudoku was invented in Japan and is played all around the world. Mobile phones increased the number of people playing sudoku and the frequency of their games in several scales. Some of the most popular Sudoku websites out there are websudoku, sudoku.com, 247sudoku, sudoku.game, sudoku kingdom and there are thousands of websites in which you can play the game. Needless to say, here at live sudoku you get the most devoted and intelligent sudoku experience out there.  The Sudoku Game Sudoku has its deep roots in ancient number puzzles and in the mathematical concept of Latin Squares. It is a Japanese word: Su (meaning 'number') and Doku (meaning 'single') however Sudoku originated in Switzerland in the 18th Century and was introduced to Japan via America.  Play Sudoku Online\! Playing free Sudoku puzzles builds concentration and brain power and does not require any special math or calculation skills. Sudoku is based on the logical placement of numbers and playing free Sudoku games daily is a great way to develop your thinking and problem solving skills. Start playing today to discover the benefits.