Clueless Sudoku Archives

Clueless Zero Killer Sudoku

August 30, 2007 By djape 12 Comments

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 Sudoku

April 6, 2006 By djape 7 Comments

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…