Puzzle Blog Posts With Keyword Jigsaw sudoku
Creating Irregular Sudoku PuzzlesHave you ever wondered how irregular sudoku puzzles are created? Also known as jigsaw sudoku, these are a reasonably common variant of sudoku that replace the neat 3 x 3 boxes with regions of all sorts of different shapes (but all containing nine...
Added: 03 Dec 2010
Sudoku Variants: How Many Are There?
It is probably impossible to come up with a definitive list of sudoku variants because the number of them is truly mind-boggling. And there are new types being created all the time. There is also some ambiguity about what counts as a sudoku variant: for...
Added: 21 Dec 2022