Daily Killer Sudoku Game trailer Everyday new Killer Sudoku levels in 2 sizes and 3 difficulty levels. We offer the 6 by 6 and the 9 by 9 versions. Re-ordered the strategies to balance them against new calibrations. Added to the killer strategies. You have to use this information to crack the Sudoku, but all the normal strategies of Sudoku still apply.

Any mistakes you make will be hilighted in red. If you want to print and solve our Killer Sudoku logic and math puzzles, click on the 2 images. You can view the Daily Killer in the new. Click on Take Step to step through the solution. By using this website you are also agreeing to the. We can't use the same technique for this grid, but we can use something very similar.

You may not use the same numbers in a cage In our example we have a cage clue number of 12 and a cage that is spread over 2 regions. By using this website you are accepting the use of cookies. Welcome to killer sudoku online. Consider the two right-most columns, we know these cells must add to 90, i. Killer Sudoku grids are similar to the regular Sudoku grids.

The regions are clearly marked by thick black lines! You can play any of them or print them out to play offline. If you are good at math, the Killer Sudoku is most likely easier to solve than the regular Sudoku puzzles. We need to fill in the numbers 1 to 6 once in each column. Your online source of killer sudokus. My Killer Sudoku puzzles are collected in 100 printable booklets per volume. Numbers may only appear once in each region.

. You should also be aware of the. In the 6 by 6 grid, you have to fill in the numbers 1 to 6 each once in each row. We have the Killer Sudoku math puzzles in 4 difficulty levels: Easy, Medium, Hard and Very hard! The same number cannot appear in a cage more than once. Also in the Killer Sudoku puzzles the grids are divided in regions. Click on a cage to get hints on the possible values in that cage. For example, the cage with 2 cells adding to 4 in the bottom-right only has one combination, i.

In the 6 by 6 grids, we have 3 by 2 regions 3 times 2 equals 6 numbers and with the 9 by 9 grid we have 3 by 3 regions 3 times 3 equals 9 numbers. December 08 - Easy Auto-pencil marks Show a pinned square Show errors Show duplicates Alternative highlights Warn when leaving page Pencil Marks: Simply enter multiple numbers per square. If this is your first time then it will automatically create a personal history for you so you can keep track of your submissions and try for the Experts list. Now you can 100s of puzzles of different types and difficulties levels and take it with you! Want to play killer, greater than, or killer greater than sudokus away from your computer? Unknown squares are filled with 'candidates' - possible solutions. To play the Daily Killer Sudoku Competition, enter your solution for the Killer puzzle here: How to enter a solution: You should type or Copy and Paste 81 numbers here.

Unfortunately the information required to transport a Killer using a web address is a little too large. Well, I must be insane, because these new ones are actually even harder. Like a regular Sudoku, the rows, columns and 3x3 blocks contain the digits 1 thru 9. Generally, the weekly puzzles are harder than the daily puzzle. Enter multiple numbers as pencil marks. In our example on the left we have 2 sixes in green in 1 region. Quick help: Using this Solver You can pick examples from the list above.

We'll check that it contains 81 numbers before submitting. Read the for the update on submitting. Anyone who has tried Kakuro will see a connection. But on top of that, a Killer Sudoku grid is divided into cages with its own background color. Each 'cage' is shown by a color or dashed line. If you have an account and are logged in, the website will remember that you have completed that puzzle.