Killer Samurai Sudoku

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'Killer Samurai' Sudoku

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10 Comments

1)	this page is very cool, killer samurais are the best Comment by: christian. Made on the 13th Jul 2006.

2)

Have done all these puzzles :) they are great - and very challenging. there is a prob on this one however. the bottom right 9*9 has at least 2 solutions. the top right 3*3 of this particular 9*9 can read as either 483-216-957 OR 483-216-597 and due to this it causes uncertainty in other parts of this 9*9 solution indicates it is the first of the 2 options i have listed - however it is not determinable by logic alone Keep up the good work tho :) Steve Comment by: steve. Made on the 15th Jul 2006.

3)	Top LH box.....the 25.....not possible with three different numbers! Comment by: Lilymarlene. Made on the 16th Jul 2006.

4)	this stuff rules Comment by: catherine. Made on the 16th Jul 2006.

5)

Love these puzzles, But agree - this one has multiple solutions. The bottom right grid in particular. Right hand column - each 3x3 square has at least a pair that could be either or, in total I make it 15 squares in that 9x9 that have more than one possible solution. It would be nice if these grids conformed to the normal "no number repeated in a colour box" rule, but they're still fun without. Comment by: bluejamie. Made on the 20th Oct 2006.

6)	this is d first killer suduko i've solved.......infact i never knew tat dis type of suduko also exists.....its d most challenging type of all sudukus Comment by: fdtg. Made on the 03rd Feb 2007.

7)	Son maravillosos, a ver salen mas. Comment by: andoni. Made on the 15th Feb 2008.

8)

just thought I'd let you know, on a killer sudoku, it is illegal to have a series of three squares that add to 25, since every cell in a series must be different even if they are not in the same row, column, or block. 25 means there is a duplicate number. This is in regards to the top left fifth of the puzzle in the top left of that there is a 25. Comment by: Dan. Made on the 25th Mar 2008.

9)	also in regards to comment number 2 above, Steve, did you try applying the bivalue universal grave logic algorithm, or the unique rectangles algorithm, im sure this works out to just one answer if you do so, but i will try it, thanks for the tip. :) Comment by: Dan. Made on the 25th Mar 2008.

10)	I love your site-but in ks 24 upper rh box 4 cells can't consist of 4 numbers totalling 8 Comment by: Bill Bear. Made on the 28th Mar 2008.

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What is Killer Samurai Sudoku?

Killer Samurai Sudoku is an advance form of Sudoku that combines 5 interlocking Killer Sudoku to form 'Killer Samurai Sudoku'. It is a Number Puzzle that requires the player to use logic to place numbers onto the grid.

Rules

To solve the puzzle you must make sure that every column, row and 3x3 box in each larger 9x9 grid contains the numbers 1 through to 9. The colours on the puzzle are the cages which all contain a small number which is the sum total of all the squares in that caged area. (The puzzles is basically a combination of a Samurai Sudoku puzzle and a Killer Sudoku Puzzle.)
Almost all of the puzzles can be solved using logic alone and there is no need to guess. A puzzle can take from 1 hour to almost a day to complete depending on its level and your experience. More on the rules and tips for quick solving can be found here.
The puzzles along with their solutions can be found on this site.

Creator

The Creator of Killer Samurai Sudoku is Melvyn Lawes. Read the short interview here.

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