PuzzleFilter: What books would you recommend for a sudoku addict who's already worked through a "fiendish"/"super fiendish" sudoku collection and would like to try more challenging puzzles? There seem to be a zillion sudoku books that are available. Please help me narrow down the selection, based on a few other things I'm looking for... [more inside]
posted by macguffin on Apr 30, 2009 - 11 answers

Is there a program that will take an already solved sudoku and create a medium difficulty unsolved puzzle? [more inside]
posted by team lowkey on Feb 27, 2009 - 7 answers

Is this a medium difficulty Sudoku puzzle? Am I a Sudoku idiot? [more inside]
posted by cosmonaught on Aug 25, 2008 - 18 answers

I'm putting together a company newsletter and am looking for freely licensed and printable crossword and sudoku puzzles that I could put in the newsletter. [more inside]
posted by thecjm on Apr 3, 2008 - 4 answers

A little help w/ this sudoku puzzle? [more inside]
posted by cgs on Mar 7, 2008 - 5 answers

I got a Nintendo DS for Christmas! Given my logical style of solving sudoku, which of the scores of sudoku titles do I want? [more inside]
posted by booksandlibretti on Dec 27, 2007 - 11 answers

NameFilter: Help me name my 2-8 player sudoku game! [more inside]
posted by unixrat on Jul 18, 2007 - 18 answers

I've invented my own type of unique, newspaper-publishable, word game. I would like to either make weekly editions of it to sell to weekly newspapers... [more inside]
posted by vanoakenfold on Nov 5, 2006 - 6 answers

I have a list of coordinates (in [x,y] format), and they define the perimeter of a shape. I can't quite work out an algorithm for drawing round the perimeter of this shape, without crossing the shape. Google has failed me, and my A-level in maths is all but a hazy memory now... Algorithm gods, your time is now! [more inside]
posted by gaby on Dec 22, 2005 - 5 answers

SystemFilter: As mentioned before, I have a sudoku website, where I host tons of puzzles that I have generated. I am in the midst of writing a system to syndicate these puzzles, so anybody can embed my puzzles and solver in their site by using a bit of JS code (similar to google adsense). I've got a bit of a security problem that I can't quite solve... [more inside]
posted by gaby on Nov 13, 2005 - 14 answers

I know the theory of solving Sudoku puzzles but I'd like to know how you would go about creating them. [more inside]
posted by ralawrence on May 27, 2005 - 7 answers

I'm having a lot of trouble finding a logical solution to a Sudoku problem. [more inside]
posted by obiwanwasabi on Feb 28, 2005 - 13 answers

I have a couple of questions about Sudoku. [mi] [more inside]
posted by obiwanwasabi on Dec 12, 2004 - 2 answers