Franklin SDU-320 Sudoku Puzzle

Crossword puzzle enthusiasts and puzzle fans are flocking to Sudoku, a game similar to a crossword puzzle but with numbers instead of letters. Sudoku is an amalgamation of the Japanese words for single and number, resulting in a mathematical game with a footing in the 18th century and a following in the 21st. Easy to learn, Sudoku requires no calculations yet provides a staggering variety of logic situations. Deceptively simple in concept, Sudoku can become surprisingly difficult and truly addictive! The goal is to complete empty squares so that the digits 1 through 9 appear only once in every row, column and individual block. This handheld device with touch-screen display includes millions of computer generated puzzles plus handcrafted puzzles by Nikoli. Nikoli's Sudoku puzzles are handcrafted by experts who regard the solution process as even more critical than the results. Additional features include 3 skill levels, and a Sudoku puzzle builder and solver. 2 G13 batteries included.