SuDoKu 3.1 - Sudoku is a puzzle game. It is
great fun to play and is a
mind bender.Sudoku is a number
placement puzzle. The aim of
the puzzle is to enter a
number from 1 through 9 in
each cell of a grid,
frequently a 9Ч9 grid made up
of 3Ч3 subgrids (called
regions), starting with
various numbers given in some
cells (the givens).