Publisher description for Super Sudoku : 200 extra-large number puzzles / Okayusan.

Bibliographic record and links to related information available from the Library of Congress catalog

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200 extra-large sudoku puzzles for hours of extra-large fun!

The sudoku craze just got even bigger--these extra-large puzzles feature 16 x 16 and 25 x 25 grids for greater challenges and enjoyment. The rules are the same as regular sudoku, just on a larger scale. A grid of 16 rows by 16 columns is split into 16 boxes of 16 squares each. The numbers 1 through 16 must appear in every row, every column, and every box. The same rules apply to grids of 25 x 25, using the numbers 1 through 25. If that's not big enough, sudoku fanatics can try the ultimate challenge-- a "Super Extreme" 49 x 49 puzzle. Take sudoku to the next level with SUPER SUDOKU!

Library of Congress subject headings for this publication:
Logic puzzles.