Djape's Puzzles, Books and Thoughts

My puzzles in Washington DC and New York City

This is just a reminder that tomorrow, on Sunday, February 28, 2010, my Samurai Sudoku puzzles...

Good news folks! 🙂 The Washington Post have decided to restart printing my Samurai Sudoku puzzles...

Bad news folks, I’m afraid: the Samurai Sudoku puzzle printed in the Comics section of The...

Posted by djape | Aug 22, 2009 | Newsletters, Old Posts |

With a couple of months delay, I’ve created my first newsletter. It is available here. These...

Solving Hitori puzzles is about recognizing patterns. I will show you some examples of those...

Posted by djape | Apr 6, 2009 | CalcuDoku, Old Posts |

In order to avoid any further confusion with KenKen(R) and KenDoku(TM) trademarks of Nextoy, LLC,...

Posted by djape | Feb 7, 2009 | Old Posts |

Unfortunately the Sudoku forum on this website has been deleted. Perhaps it will be back at some...

Posted by djape | Jan 17, 2009 | Old Posts |

As you all may have noticed, I’ve finally started posting Hidoku puzzles on a daily basis!...

I hope you all had a nice Christmas and that you are enduring the cold weather well. Well, those...

Here is an explanation of a Hidato solving technique that some people might find obvious and they...