Play Sudoku online. It’s free!
In the late 1800’s crosswords were already popular and number puzzles appeared shortly thereafter.
It’s thought that a man named Howard Garnes, a puzzle constructor, designed the modern version of the classical 9 x 9 Sudoku grid but since then, many variations on this original design, have been made.
Studies show that Sudoku playing could improve the working memory in older people and even if they don’t, Sudoku is a great way of passing the time on the airplane when you are traveling from Israel to the ‘old-county’.
Enough of all that, let’s start solving…