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 puzzle you will know what I’m talking about. There’s a diamond inside this puzzle – […]
Another Killer Samurai with full (quad) symmetry! This time it’s more (but not terribly) difficult. Click on the puzzle thumbnail to access the puzzle. I’m gone skiing for the weekend, so I hope these puzzles will last you until Monday. 🙂
You knew this was coming – surely the largest Killer Sudoku puzzle ever! It’s a Butterfly Samurai Killer puzzle! It consists of 20 (twenty) 9×9 Sudoku sub-puzzles. There are 5 groups of 4 puzzles. Each group of 4 is arranged Butterfly-style, and those 5 groups are arranged Samurai-style. Please make sure you understand how the […]
Here we go – Killer Samurai with full (quad) symmetry! Click on the puzzle thumbnail to access the puzzle. The first step (innies and outies) in solving it is here.
Here is this weekend’s special – a unique and never-seen-before Killer Butterfly X There are 4 “classic” 9×9 Sudoku puzzles inside this one. They all overlap and they all must be solved according to the rules of Sudoku and Killer Sudoku. You can use Twin Nonets solving technique for this one! However, in contrast with […]
Here we go – Killer Samurai with full (quad) symmetry! Click on the puzzle thumbnail to access the puzzle. The first step (innies and outies) in solving it is here.
I don’t know if there is a species that go under that name and if there are, my apologies to them. Another world premiere Sudoku variation puzzle – Butterfly Killer Sudoku. Thanks to one of our regular visitors udosuk for suggesting this concept – this should encourage you to suggest a layout for overlapping puzzles […]
Killer Samurai Sudoku X for New Year’s Day – this is the only place you can find these kind of Sudoku puzzles! Warning: Today’s puzzle is very difficult! Basically, not only do you have to fight against 5 interconnected Sudokus, but you also need to be carefull about the diagonals: ALL diagonals in the puzzle […]