New from Web Sudoku - an app you can play offline on your phone or tablet.
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4 free levels - Easy, Medium, Hard and Evil.
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Check for mistakes with the "How am I doing?" button.
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Play anywhere, pause and resume your Sudoku.
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'Pencil marking' option for entering possible numbers in a cell.
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Print unlimited free puzzles using Google CloudPrint.
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Compare your time to millions of Sudoku solvers.
Exclusive to the app:
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Unlock Extreme level, our hardest puzzles yet!
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Landscape and Portrait mode supported.
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Play left-handed - switch the numbers and grid.
Night mode and bug fixes. You can now enable night mode from the settings menu which switches to a dark theme.