Sudoku variants World of Puzzles Blogs
Arrow Sudoku PuzzlesArrow Sudoku puzzles are an enjoyable sudoku variant that is rarely seen in print. If you have done, then the chances are that you buy the i newspaper on Saturday, and if so you'll be familiar with the striking visual of this puzzle, as per the image...
Added: 11 Jan 2012
Creating Irregular Sudoku Puzzles
Have 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