Zigzagrams

151 puzzles for slick thinking in the 9x9
  • Published: December 2009
  • Format: Perfect Bound Softcover(B/W)
  • Pages: 208
  • Size: 5x8
  • ISBN: 9781449032623
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Zigzagrams is an exciting evolution of Sudoku where players can construct elementary theories by applying a general rule that "every compartment must contain an odd number of odd numbers.” The game is a rediscovery of the 9x9 square where a new logical dimension has been added to complement systematic search with imaginative thinking.

By providing balance between discipline and creativity, Zigzagrams allows beginners to focus their search for the next entry while it empowers trained players with an enhanced set of “tricks” to combine.

Each step of every puzzle in the collection can be solved by means of elementary ideas. The challenge is to combine the right mix of themes at the right place and at the right point in the solution. The puzzles are organized in five levels of challenge and the final Mastery Puzzle allows players to fully apply the skills acquired by the time they get to it.

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Perfect Bound Softcover(B/W)
Price: $18.49