9×9 Killer Sudoku
It may have taken a while but ‘9×9 Killer Sudoku’ games have finally been added to Mister Sudoku. A total of 451 games were added to the FaceBook and iPhone (v1.2.1) versions of Mister Sudoku earlier this year (March-April). Almost 12,000 of these games have been played with a total playing time in excess of […]