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Sudoku 16x16

A very popular layout the Sudoku 16x16 puzzles present a satisfying challenge. Like the 9x9 puzzles this variation has square inner boxes. It is one of the most searched for puzzle on this site. Below are free to download graded puzzles. Solutions provided at the bottom of the page. Please note the puzzles graded as 'tricky' are seriously dificult to solve. Enjoy!

Medium

16x16 Sudoku Medium

16x16 Sudoku Medium

Download these 2 Medium 16x16 Sudoku Grids (pdf)

Hard

16x16 Sudoku Hard

16x16 Sudoku Hard

Download these 2 Hard 16x16 Sudoku Grids (pdf)

Tricky

16x16 Sudoku Tricky

16x16 Sudoku Tricky

Download these 2 Tricky 16x16 Sudoku Grids (pdf)

Solutions

16x16 Medium Solution - Download
16x16 Hard Solution - Download
16x16 Tricky Solution - Download


4 Comments

finalmente un passatempo che mi piace molto!!!!!!!!Solo una cosa, rinnovateli piĆ¹ spesso
Comment 1 by renato zavoli. Made on the 01st Mar 2013.
I haven't found too many places to get 16 x 16 puzzles, so I thank you for these, and look forward to doing them. And thanks for the range of difficulty, as I am trying to stretch my capabilities. The "tricky" ones do look mighty challenging!
Comment 2 by DougKreider. Made on the 31st May 2013.
I am a brand new player of Sudoku. I had finished with the entire book of puzzles from beginner to hard and at the end are few 16X16 games but I do not know where to start. I will like to ask, which is the best method to play and enjoy this type of puzzles?
Comment 3 by Ana . Made on the 22nd Nov 2013.
I have started playing 16 x 16 puzzles and they are awesome and challenging. I read somewhere that the diagonal line of numbers from top left corner to bottom right corner and also from top right corner to bottom left corner must also contain numbers 1 to 16 only. Is this correct with the above puzzles. Thanks
Comment 4 by Michael Dooley. Made on the 19th Jan 2014.

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What is Sudoku?

Sudoku is a Number Puzzle that requires no mathematical knowledge. (no adding or multiplication). It is based upon Japanese style crosswords where you are required to use logic to place numbers onto a 9x9 grid.

Rules

To solve the puzzle you must make sure that every column, row and 3x3 box contains the numbers 1 through to 9. Almost all of the puzzles can be solved using logic alone and there is no need to guess. A puzzle can take from 20 minutes to 2 hours to complete depending on its level and your experience.

Sudoku Fact

For a 9x9 puzzle to have precisely one solution, the initial entries need to include at least eight of the nine digits.

Sudoku Fact

The smallest number of starter clues on a sudoku puzzle is 17.

Sudoku Fact

Sudoku became a world hit in 2005. When measuring its popularity in enigmatic world, it is the biggest phenomenon since Rubik's Cube in the '80s.

Sudoku Fact

Some people call it newspapers saver because it boosts their sales and keeps the reader audience active. Newspapers around the world embraced it immediately because people like to solve Sudoku on a daily basis, just like crosswords.

Sudoku Fact

By playing it regularly you can boost your concentration and focus, prevent or ease depression, dementia and even Alzheimer's disease according to some studies.