How to solve...

To complete the puzzle each row, column and 3x3 box must contain every digit from 1 to 9.

 

Use logic, and the fact that each of the above contains every number only once, to fill in more digits.

 

Example

Su Doku

by Jon Slater

Help

 

 

Instructions

 

How to Navigate the Puzzle:

 

Click in the square you want to fill in.

 

Use / to delete a number from the square.

 

Click 'Clear' to delete all the numbers.

 

Click 'Check' to see if you've solved the puzzle.

 

If you have cookies enabled you can click 'Save' to save an unfinished grid and then click 'Load' to start where you left off last time.

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Published: 20.12.2007