Experience the excitement of the world's hottest number game sensation. Buku Sudoku takes the pen-and-paper puzzler high-tech with HD graphics, helpful tutorials, single- and multiplayer game modes, multiple grid sizes, and the option to display hints, highlight errors, undo moves, and even solve puzzles. 1,200 puzzles give you plenty of opportunity to challenge your own brain, play cooperatively with friends, race head-to-head to see who can complete a board first, or compete in the new battle mode, where completing a line, row, or square will remove numbers from your opponent's board. It's Sudoku however you like to play it.