Tag Archives: Clueless Sudoku

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 Clueless format. Once more I want to thank Ruud for inventing the “Clueless” arrangement of […]

Posted in Free sample puzzles, Killer Sudoku | Also tagged , , , , , , , | 12 Responses

Clueless Sudoku

Here is another Sudoku overlapping puzzle variation. As far as I know, it was invented by Ruud from www.sudocue.net – please correct me if I’m wrong. So I thought I should give it a go at creating one such puzzle – and of course I had to add something to it. So, my variation is […]

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Posted in Free sample puzzles, Sudoku Variants | Also tagged , , | 7 Responses
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