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Daily Hyper Sudoku (Hard)

Thursday 4th September 2008

SCORE:
[R]eset Puzzle
[S]ave Puzzle
Create [P]encil Marks
Clear Pencil Marks [X]
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How to play

Hyper Sudoku puzzle solution
A Hyper Sudoku puzzle is very similar to a normal Sudoku puzzle, but there are four extra regions. In this puzzle you will see there are four 3x3 shaded areas. Each of those shaded 3x3 areas must contain the number 1-9 once and only once.
You can use all of the same rules when solving a Hyper Sudoku Puzzle, but you will also need to make use of the four extra regions.
Hyper Sudoku puzzle
Look at the highlighted cell in this puzzle. We know that the top-right extra 3x3 region must contain the number 2 somewhere. However, the top-right, top-center, and center-right normal 3x3 region all contain a 2 already. That only leaves the highlighted cell from the extra region, so the hilighted cell must be a 2.
Hyper Sudoku puzzle
Have a look at the Hyper Sudoku puzzle to the left, you can fill in the highlighted cells using the techniques you have just learnt.
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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