Web Sudoku

New from Web Sudoku, the world's most popular Sudoku site, an app you can play offline on your phone or tablet.

• Play anywhere, pause and resume your Sudoku at any time.

• 4 free levels - Easy, Medium, Hard and Evil.

• Plus unlock Extreme level, our hardest puzzles yet!

• Landscape and Portrait mode supported.

• Easy, intuitive interface with optional left-handed mode.

• Check for mistakes with the "How am I doing?" button.

• Select 'Pencil marking' to enter possible numbers in a cell.

• Race against the clock in 'Competitive' mode!

• Print unlimited free puzzles using Google CloudPrint.

• Share your Sudoku to compete, or get help from a friend.

• Compare your time to millions of Sudoku solvers.