At the KrazyDad blog, thousands of printable puzzles have been made available for free. The puzzles are sudoku and kakuro variations. They include what he calls jigoku puzzles, which are sometimes called greater-than sudokus and krypto kakuro puzzles where letters are substituted for the kakuro numbers.
You can even buy Sudoku printed on loo paper now!
You can even get Sudoku printed on toilet roll these days
[...] I’ve posted before about all of the puzzles available by Jim Bumgardner at krazydad.com. Recently, he’s added thousands of Slitherlink puzzles to his site with varying degrees of difficulty and grid size. Tags: puzzles,slitherlink Posted by Josh in Website (Wednesday December 12, 2007 at 8:37 pm) [...]