![]() (There are no repeats allowed in a cage either) BUT if you already have a 3 in that box, then you know it’s got to be the 1, 4 combination since you can’t have duplicates. For example: if you’ve got a cage of two cells with a 5 in the corner you know it could contain a 1 and a 4 OR a 2 and a 3. No number can appear twice in the same line or 3×3 box. Once you start filling in numbers, you can use the basic Sudoku rules to help fill in the grid.If you have a square with three cages and one free square add up the cage values and subtract it from 45 and PRESTO you’ve got the value of the free square! (this works for lines as well).Since 1+2+3+4+5+6+7+8+9=45, you know that each row (and each square) has to add up to 45.A two cell cage with a seventeen in the corner must be 8 and 9. A three cell cage with a 6 in the corner has to be made of 1, 2 and 3. For example: A cage that covers three cells with a 24 in the corner has to be made of 9,8 and 7. Since you don’t have any numbers to start with, look for cages with only one possible solution.Diabolical!Īlice Jones’ Top Tips for solving a Killer Sudoku ![]() The numbers inside the cage must add up to the number in the corner, and no repeats. Instead you get dotted lines (‘cages’) around groups of boxes with a small number in their corners. Killer Sudoku is different because you don’t get any numbers to start you off. And each box must also have all the numbers 1-9 with no repeats. 100 puzzles in all with regular updates to reach this total in the first year post launch.Killer Sudoku: The rules of Killer Sudoku are almost the same as regular Sudoku: Each line must include all the numbers 1-9 with no repeats.Mark and Simon have both represented the UK many times at the World Sudoku Championship and you can find more of their puzzles (and lots of others) on the internet’s biggest sudoku channel Cracking The Cryptic. Anyone familiar with their YouTube channel will know that Simon and Mark take pride in teaching viewers to be better solvers and, in these games, they always craft the puzzles with the mindset of trying to help solvers improve their skills. Of course the difficulty is carefully calibrated to ensure lots of puzzles at every level (from easy through to extreme). Only the most dedicated (and cleverest) sudoku players will finish all the puzzles. The more puzzles you solve, the more stars you earn and the more puzzles you get to play. In Cracking The Cryptic’s games, players start with zero stars and earn stars by solving puzzles. So you know that every puzzle has been play-tested by a human being to ensure that each sudoku is interesting and fun to solve. Fans of Cracking the Cryptic's YouTube channel will recognize many of these authors as some of the most talented creators working today!Īs with our other games (‘Classic Sudoku’, ‘Sandwich Sudoku’, ‘Chess Sudoku’, 'Thermo Sudoku' and 'Miracle Sudoku'), Simon Anthony and Mark Goodliffe (the hosts of Cracking The Cryptic) have written all the hints for the puzzles. The puzzles in Killer Sudoku are created by Simon and Mark as well as a large number of guest creators. This extra information leads to beautiful logic that you will master as you progress through our handmade puzzles. In Killer Sudoku, every puzzle features cages that tell you the sum of the numbers inside. Presented by Cracking The Cryptic, YouTube’s most popular Sudoku channel, comes a new game based on our most requested variant: Killer Sudoku.
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