LiveSudoku.com is a home for all online Sudoku players from all over the world.
A Sudoku puzzle 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!

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.

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.

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. Start from the basics on how to play Sudoku.

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Start your morning with our daily sudoku!

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
Swordfish
XY wing or Y wing to solve some seriously extreme sudoku puzzles or in their notorious name - evil Sudoku...

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, 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 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!

People write sudoku in several ways such as suduku, sudoko, suduku, suduko and even sukoku. Of course, the correct one is 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.

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.

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.