I’m back!
Sorry folks, I know that the site hasn’t been updated in the past 10 days (except for the Daily Killer Sudoku) and I apologize for that. I had to go on a trip and had absolutely no web access there!…
The Home of Perfect Sudoku and other puzzles
Everything that is not categorized.
Sorry folks, I know that the site hasn’t been updated in the past 10 days (except for the Daily Killer Sudoku) and I apologize for that. I had to go on a trip and had absolutely no web access there!…
This is to let you know that I’m taking a long weekend, so there won’t be any puzzles posted on Friday, April 28. To keep you happy :), today’s killer sudoku is rated IQ/INSANE, so it should give you a…
A new brain teaser posted by Count Duko in the forum. Feel free to participate in solving this one by following this thread. Sound Charades is a game played on BBC Radio 4’s “I’m Sorry I haven’t a clue” in…
Darren Rowse, the man behind www.problogger.net is running a case-study series about blog sites. I submitted the story about www.djapedjape.com and how it all started – and guess what – Darren posted my story as the first case study! If…
Udosuk posted a new problem in the “Brain Teasers” forum. It hasn’t been answered yet! 34 32 36 46 64 75 50 35 34 16 18 14 22 ?? 40 35 15 20 12 ?? is a 2-digit number. What…
Mike started a new and interesting topic in the forum. Maybe this will work, maybe not. I will give you some information. You can ask yes/no questions which I will answer. Find out what happened. “There is a phone box…
This is off-topic, but since many people have shown interest for brain teasers in the forum, I decided to create a category here and start posting them. So, thanks to Shai, here is the first riddle in this category: OK…
Alright, before you claim that some puzzle has more than one solution, do this: 1. For Samurai puzzles, read this article 2. For other puzzles, make sure the puzzle is not an “X” (diagonal) 3. For puzzles from The Washington…
Well, after nearly 1000 comments have been written to various posts on this site, I think it’s time to provide you with a better way to communicate. Therefore, I just opened up a forum. I’m pretty sure you are all…
I just uploaded an INSANE Killer puzzle to Daily Killer page. Not only that it has the highest difficulty ranking, but it’s also fully symmetrical, just like yesterday’s BRAIN puzzle. Normally, Sudoku Killer puzzles have “rotational” (or diagonal) symmetry, but…