First published in 1979, Sudoku initially became popular in Japan in 1986 and attained international popularity in 2005. It is currently one of the most popular puzzles worldwide.
Sudoku is simple to play. The board is divided into 9x9 cells. The cells are grouped into nine 3x3 boxes. Some cells are prefilled with numbers. You aim to fill all empty cells so that each row, column and each 3x3 box contain all numbers 1-9.
Key features of Sudoku (S80):
Upto 10,000 games to play
All games are randomly generated
Unique game ID for replaying the same game
4 game levels
A version of the popular puzzle for your Communicator.
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