4 wheel drive
I just posted two new puzzles and as always, there is something special about at least one of them :). The “classic” Sudoku puzzle is a 4×4, not 3×3. Use LETTERS A-P to solve it instead of digits! The good…
Poll results
We’ve had more than 200 votes on the favorite Sudoku poll and I think it’s about time to close this poll, although it is likely that it will be reopened at some stage, just to re-check your opinion. Here are…
Gattai 5 – X
Update: The link has been fixed. Thanx to udosuk for pointing this out. You can download the Samurai now. Here it is, another Samurai X puzzle – this is the only place you can find these kind of Sudoku puzzles!…
Current progress on Sep 27
This is a response to ZD’s and udosuk’s posts and progress updates regarding solving the puzzle posted on September 27 by hand and using logic. This is how far we got – I added “9” in the last nonet as…
Let’s solve this baby!
Ok, I’ve created a separate category for the Killer Sudoku puzzle posted on September 27. It’s caused a lot of controversy and discussion on other websites and it’s time to bring this baby home and solve it! I’m really swamped…
Had to post ’em :)
Well I took a day off today and didn’t think that I would post the puzzles, but once I got home I thought – why not! So, two more puzzles for your perusal over the weekend – check the daily…
Cage Splitting – Killer Sudoku
Ok, here is the explanation of the “Cage/fence splitting” solving technique for Killer Sudoku puzzles that I promised before. I will use the puzzle posted on Friday, October 7 and solve it step by step using this method. We extend…
Two very cool puzzles today!
I’ve posted two very beautiful puzzles today. Killer Sudoku: This one might look very difficult but after a tough first step, the solution unfolds really easy. This is at least how I got the solution :), there could be a…
Killer Sudoku – September 27th
Many people have asked about the Killer Sudoku posted on September 27th. I haven’t tried to solve this Killer by hand but it is very much possible that it requires either a lot of math (the technique that I call…
Vote for your favourite
I added a new feature to this site – polls. Thanks to Andrew Sutherland for creating this great WordPress plugin. The first poll is about your favourite type of Sudoku. The results will be taken into consideration when posting new…