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Daily 16×16 Giant Sudoku (Easy)

Friday 4th July 2008

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How to play

16x16 Giant Sudoku puzzle
This is an example of a 16x16 Sudoku. They are very similar to standard 9x9 Sudoku puzzles, but instead of using the number 1-9, we use the numbers 1-9, and also the letters A, B, C, D, E, F, and G. Each row, column, and 4x4 region must be contain one and only one of these.
You can use all of the same techniques that you would use on a standard 9x9 Sudoku, but it is a bigger puzzle, and will take you longer!
16x16 Giant Sudoku puzzle
Have a look at the highlighted square. That 4x4 region already contains 1, 2, 4, 5, 7, 9, D, E and F. The column already contains 2, 4, 5, 7, 8, 9, B, C, D and F. The row already contains 2, 3, 4, 6, 8, 9, A, B, C, D, E, F. Combining all of those together leaves us with just the letter 'G' that hasn't already been taken.
The highlighted cell must be a G!
16x16 Giant Sudoku puzzle
Look at the three highlighted cells in this puzzle, you can work out directly what they all are without needing to fill in any more of the puzzle.
Have a try now!
This page will automatically load the puzzle for today. If you want to play a different puzzle, go to the archive page and choose your puzzle.
There are two ways to play a Sudoku puzzle, you can just use the mouse/touchscreen, or you can use the mouse and keyboard. You can switch between the two methods any time you like, and can use a combination of both.

Playing with a mouse/touchscreen.

Playing with a mouse and keyboard.

Any mistakes you make will be hilighted in red. The website will know when you have completed a puzzle and will tell you. If you have an account and are logged in, the website will remember that you have completed that puzzle. You will also take part in out leaderboards. It's free to create an account!

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