These printable sudoku puzzles are four different levels of difficulty. You want to start with the easy ones, but if you're an expert, you can skip to the extra hard puzzles. The post 20 Printable ...

Sudoku is simple to learn but the challenges never end. These highly addictive puzzles only require a bit of logical thinking - no arithmetic! In any Sudoku puzzle each row, column and 3x3box of ...