If you like my sudoku puzzles, you’re gonna like my new kakuro puzzles. Also called Cross Sums, these puzzles are like a cross between a Sudoku and a crossword puzzle. I’ve been working on some software that generates these puzzles, and have published a set of them here at Krazydad. Each file contains 20 puzzles, […]

My phyllotaxy poster has been showing up in some unusual places, other than the sides of refrigerators. Not too long ago, it showed up as part of this amusing keynote presentation by Dick Hardt, for the O’Reilly Open Source conference. Dick was talking about new web technologies, and used an early image of the poster […]

I’m working on creating more printable puzzles for the site, in addition to the sudoku puzzles. Here’s a collection of printable mazes, suitable for solving with a pencil. Perfect for a rainy day when you’ve got a bored kid in the house or office. The mazes come in 5 different difficulty levels, ranging from easy […]

“Dear Mr. Bumgardner,” writes Scarlett, “Congratulations on writing software that goes the distance! We on Palace are celebrating 10 years of operation and it’s a pretty happy time among all the Palaces. I don’t think many software developers get to have their software in operation this long with a product going through multiple operating system […]

Five new coverpops today, all wonderful vintage covers from the amazing collection at MagazineArt.org. I think you’ll love browsing thru these. Vintage Pulp Fiction Vintage Mass Market Magazines Vintage Womens Magazines Vintage Science & Technology Vintage Grab Bag

Here’s a Wacky Packages coverpop that I made, for those of you in search of your elusive Bum Chex. The images were provided by | Comments Off on Bum Chex