Zero Killer Sudoku 10×10

As promised, I am starting posting all sorts of puzzles here on the main page, on a semi-regular basis (2-3 times a week). And since today is Saturday, which used to be the day for Killer Sudoku 10×10 and tomorrow…

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Twin Zero Killer Sudoku

Rules: Solve the puzzle so that the left half and the right half have the same solution. Other than that, the usual Killer Sudoku rules apply. Twin Zero Killer Sudoku for Saturday, March 15, 2008. WARNING: Very difficult!

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Twin Zero Killer Sudoku

Rules: Solve the puzzle so that the left half and the right half have the same solution. Other than that, the usual Killer Sudoku rules apply. Twin Zero Killer Sudoku for Saturday, December 15, 2007.

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Clueless Zero Killer Sudoku

This could well be the most difficult puzzle I’ve ever created. Yet, unlike some previous ones which were intentionally created to require trial&error, this one can surely be solved without guessing. This is a Zero Killer Sudoku puzzle in a…

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Zero Killer Sudoku

A few visitors to my forum have been creating these puzzles for quite some time. Well, here is one from me. Rules: Everything is exactly the same as in your ordinary Killer Sudoku puzzles, except that there are even fewer…

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