Killer Sudoku with all operators in TwoDoku format

Dec 24, 2014 - I don’t think I’ve ever posted a puzzle like this one. Yes it is essentially a Killer puzzle. Yes, it’s also an overlapping sudoku puzzle, Gattai-2 (TwoDoku). But it also has some…

Killer Sudoku (Mini Sudoku Series #92)

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Killer Sudoku Cheat Sheet - Puzzle Genius

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A Killer Sudoku With No Numbers At All?!

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Killer Sudoku Tips and Strategies

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Sudoku Variations: Volume 3 (Sudoku Variation, Djape

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