Look carefully before you answer this one!
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…
Year: 2006
Samurai Sudoku X
Samurai Sudoku X for Tuesday, March 21 – this is the only place you can find these kind of Sudoku puzzles! Basically, not only do you have to fight against 5 interconnected Sudokus, but you also need to be carefull…
Killer Sudoku with diagonally adjacent cells
Weekend Special: Here is a new type of Killer Sudoku puzzles in which cages can be formed between cells that are not horizontally or vertically adjacent to each other, but that can also be diagonally adjacent. When you download this…
Harakiri Sudoku X
For die hard fans of big Sudoku puzzles, here is another one – Sudoku Harakiri X! Basically, it’s a double-Samurai Sudoku puzzle: 8 classic sub-puzzles, which of course don’t have their own (unique) solutions but all together constitute a puzzle…
lateral thinker #1
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…
Weekly Sudoku Samurai X
Samurai Sudoku X for Tuesday, March 14 – this is the only place you can find these kind of Sudoku puzzles! Basically, not only do you have to fight against 5 interconnected Sudokus, but you also need to be carefull…
Killer Sudoku and Killer Samurai in France
Multimediapress from France have started publishing our puzzles in their monthly magazines. To the best of my knowledge (please correct me if I’m wrong), they are the first in the world to publish Killer Samurai puzzles in press. I wish…
Classic Sudoku Solving Techniques
It’s about time I finally explained the basic (and most common) Sudoku solving techniques. Most of you are already familiar with these, but for those who aren’t – I’d like to show my explanation. These techniques are used in ALL…
Prisoners on death row in a row riddle
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…
Weekly Samurai Sudoku X
Samurai Sudoku X for Tuesday, March 7 – this is the only place you can find these kind of Sudoku puzzles! Basically, not only do you have to fight against 5 interconnected Sudokus, but you also need to be carefull…