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Sudoku Online Hard Level

New York Times Sudoku hard is so yesterday, as free online Sudoku hard is what all experienced players need. Sudoku hard level of difficulty is suitable for advanced gamers who want to master their techniques and challenge their minds. But who are hard Sudoku puzzles for?

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    People of different ages who are experienced Sudo Ku gamers

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    Players who passed easy and medium levels

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    Users who know Sudoku hard solving techniques

Popular techniques of solving very hard Sudoku puzzles 9x9?

Not all users can jump into very hard Sudoku online right away, as this level of the game requires experience and certain skills. Let’s see the most common web Sudoku hard techniques that are must-know to play free web Sudoku hard level puzzles.

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    Scanning Sudoku Hard Web Grid. This is probably the easiest and most common technique. Scanning is constantly used in Sudoku game hard and all other levels. The technique is very intuitive and effective. And all you need to do is to scan a row, a column, or a 3-box area in one or two directions.

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    Single Candidates in Sudoku Online Hard Free. A technique that requires examination of the surrounding columns, rows, and 3x3 boxes for 1 empty square. Such a square of free Sudoku hard level grid might have only 1 possible number, aka a single candidate. When you find one you can go for more and keep on going until you solve Sudoku online very hard.

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    Elimination in Sudoku Free Online Hard. You can’t solve Sudoku hard online free grid if you don’t use elimination. It’s a key technique, which is based on scanning. As digits from 1 to 9 can’t repeat, you can eliminate a certain number if it already exists.

Is Sudoku very hard the last level?

No! HardSudoku Pro is not the last level, and when you master it, you still have 2 more, even harder levels to challenge you: Expert Sudoku and Extreme Sudoku levels. The benefits of solving hard Sudoku are:

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    A great challenge for advanced players of Sùdoku

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    Develop your brain muscle

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    Make your concentration level better

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    Boost your solving skills


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Sudoku made easy

Basic rules of Sudoku

If you are a newbie to the Sudoku world, there is nothing to be ashamed about. This game is very logical and easy to get. There are 3 basic rules and depending on the type you choose there might be alterations, however, the basic rules set rarely change.


Filling in a 9×9 grid, so that each column, row, and 3×3 section contain the digits between 1 to 9. Traditionally there is no time limit, but some Sudoku games for the brain add time limitations that push to think quicker.

How to play Sudoku?

When you start, some squares of the 9×9 grid will already have digits. Your task is to use your brainpower to fill in the missing spots and complete the grid.

You fail if:

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    Any row has two same numbers

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    Any column has two same numbers

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    Any 3×3 grid has two same numbers


Each digit from 1 to 9 can be used just once in a row, column, or 3×3 grid

See, we told you that rules are easy!

Now, don't waste your time doubting, the best sudoku
app is Sudoku Pro, and you must try it!

Sudoku Pro - Puzzle Game


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