Sudoku is a numbers game that took the world by storm in 2005. Crossword aficionados as well as people who never bothered to fill in a crossword puzzle, suddenly got hooked on Sudoku. The interest in Sudoku is phenomenal - more Sudoku enthusiasts than crossword addicts challenge us on various aspects of our published Sudokus. An alternative is Sudoku X where the numbers in the main diagonals of the grid must also be unique (1 to 9).

Sudoku is 'n nommerspel wat die mense in 2005 stormenderhand verower het. Blokkiesraaisel- liefhebbers sowel as mense wat nog nooit eers probeer het om 'n blokkiesraaisel in te vul nie, het skielik verslaaf geraak aan Sudoku. Die belangstelling in Sudoku is fenomenaal - meer Sudoku- geesdriftiges as blokkiesraaisel-entoesiaste roep ons ter verantwoording oor verskeie aspekte van ons Sudokus wat gepubliseer word. 'n Alternatief is Sudoku X waarin die nommers 1 tot 9 ook diagonaal uniek geplaas moet word.