KILLER SUDOKU ONLINE
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| LEV PUZ (74) | |||||||||||
When solving a killer sudoku you must follow all the rules of the standard sudoku.
A Killer Sudoku is divided into regions and the sum of the digits in each region is indicated in the upper left cell of each region. This variant is very challenging and pushes your puzzle solving skills to their limits.
We have created an overview of the Killer Sudoku Combinations.
Check our page with Killer Sudoku solving techniques.
| CHOOSE KILLER SUDOKU | |
|---|---|
| CHOOSE PUZZLE: |
LEV: choose a level of difficulty. Between brackets is the number of puzzles per level. PUZ: enter the puzzle number of your choice. START: choose this to load the puzzle. |
| ROW: | In front of every ROW you will find the missing digits for that row. |
| COLUMN: | Above every COLUMN you will find the missing digits for that column. |
| BOXES (1-9): | At the top left are 9 boxes with the missing digits of the 9 subgrids. |
| NUMBER OF DIGITS: | At the top you can see how often a number has already been entered and where. |
| HOW TO SOLVE THESE KILLER SUDOKUS | |
|---|---|
| ENTERING DIGIT(S): | On the left, cells in white color, choose the digit(s) you want to enter and then click on the sudoku cell of your choice. Choose a digit and the empty cell below digit 9 if you want to place 1 digit in small size. |
| BUTTON NEXT: | Choose NEXT button to jump to the next puzzle. |
| BUTTON ✓: | Choose ✓ button to check the puzzle. All the correct numbers turn GREEN just like the initial numbers and now can not be changed anymore. |
| BUTTON SOL: | Click on the SOL button to display the puzzle solution. |
KILLER SUDOKU