(L2: #402869487)
What is Sudoku? It is a puzzle game that needs your logical skills to solve. Fill in the 9x9 Sudoku grid with digits 1-9 such that each of these 9 digits appears in each row, each column and each 3x3 sub-grid once.
Good news for all Sudoku lovers like you who always look for new Sudoku puzzles to play. We offer billions free Sudoku puzzles online on this website. Now you can play new Sudoku online for free every day. Also a touch screen friendly version is available for your smartphones and tablets.
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Pencil marking mode will be activated when this option is checked AND at least 2 digits are entered in a square. You may use background highlight option when making a guess. These two options are very useful when solving difficult puzzles with advanced techniques.
Use mouse to select (click on) a digit on the right side bar first and then click on the square where you want to place the digit in the grid. To switch to keyboard (the default mode), simply press the keyboard button. When finished, press 'Done'.