Daily Sudoku 

Share link: https://www.brainbashers.com/s025527

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Note: take a look at the information about the difficulty levels.

All daily items change at midnight GMT – set your local time zone.

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Objective / Rules
Complete the grid such that every row, every column, and every 3 x 3 block contains the numbers from 1 to 9.
Sudoku is a game of logic, and no mathematics is required to solve the puzzles.

Help
Read the help page on Sudoku puzzles for a more detailed explanation.

Use Default Keyboard
If you are using a device without a physical keyboard, the on-screen keyboard is numeric. For all types of keyboard, a or 0 = auto-pencil marks. If you prefer to use the default, non-numeric keyboard, you can select the option below each puzzle (0 ≠ auto-pencil marks), and this setting can be saved.

Pencil Marks
What is a pencil mark? Pencil marks can help you keep track of your own thinking, simply enter more than one digit / letter into each square, just like you might do if you were using pen and paper. The size of the digits / letters is smaller when there is more than one digit / letter in a square. A square might contain more pencil mark digits / letters than can be shown.

Usage
Note: if supported by your device (and the cursor is in the grid).
a or 0 = auto-pencil marks (or click 'pencil').
p = show a pinned square.
CTRL + arrows = move around the grid (you might need to press SHIFT as well).
SHIFT + digit = highlight all squares with that digit [SHIFT + 0 to clear].

Uniqueness
This puzzle has exactly one correct answer, which can be found using logic and deduction alone, and no guesses are required. If you think that you have found another answer, then please check the rules carefully for a reason the other answer isn't allowed.

Checking
Once you have started the puzzle, if you click 'check' the system will check for single-digit squares that don't match the answer (squares with pencil marks are not checked). You have to select 'show mistakes' to see the mistakes.

Printing
Only BrainBashers Sudoku can be printed (the starting grid, without pencil marks).

JavaScript
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