Go! Sudoku

The puzzle phenomenon of Sudoku comes to the PSP in Go! Sudoku. Pen and paper is no longer required as the game comes pre-loaded with 1000 Sudoku puzzles, with the option to download additional puzzles from the game's website. The actual game of Sudoku is fairly simple, and has nothing to do with mathematics at all - instead, it's all to do with logic. The numbers one to nine must fit horizontally and vertically in the 9x9 Sudoku grid - the catch is that the numbers one to nine must also appear ...