Ultimate Puzzle Games: Sudoku Edition (Nintendo DS) - Nintendo DS

All Sudoku games are not alike. Play an unlimited number of puzzles—virtually an infinite number of puzzles, thanks to an internal algorithm that randomly generates millions of puzzles. Choose from 4 grid layouts to play with the touch screen and your stylus. Features multiple difficulty selections, 10 background choices, on screen "how to play" instructions and wireless play with either 1 or 2 game cards.