Samurai Sudoku puzzle contains five overlapping sudoku grids. The basic sudoku rules apply to each 9 x 9 grid. Basic Rule: Fill numbers in the board such that every row, column and region contains one occurrence of each number. **** Samurai Sudoku features **** # Content - 5 difficulty levels # Features - 3 Zoom levels - "Hint" auto fills the board with memo that has no direct conflicts with other numbers - Highlight wrong number - Highlight same numbers as you select a number on board - Autosave the process of unfinished levels - Record best completion time for each level - Try to complete as many levels as possible If you have encountered any problem, please send an email to [email protected]