Killer sudoku
It is available on most platforms: PC, Mac, iPhone, iPad, Android, Google Play Store, Windows Phone, Amazon Appstore, Blackberry and more! You can also play Sudoku on Facebook. Sudoku Epic supports four game modes: regular Sudoku, Mini-Sudoku, Wordoku and Killer Sudoku. This is especially helpful in Killer Sudoku puzzles. In addition, you can enable a setting to fill in notes at the start of the puzzle. If you play killer sudoku puzzles in Sudoku Epic, you can tap/click and hold for 1 second on a cell to bring up a list of possible combinations for that cage. When applying the above rule to rows, columns or regions, also remember that you can extend it to cover two or three complete regions, with sums totaling 90 or 135 etc.ĥ. It contains four complete cages with sums of 9, 12, 14 and 2. E.g: Look at the lower right 3x3 region in the above puzzle. This means that if one or more cages are contained fully within the same house, then the sum of the remaining cells can be deduced. A very useful tip is that the sum of all numbers in a house (a "house" is any row, column or 3x3 region) is always 45. Normal sudoku rules apply, except the numbers in the cells contained within dotted lines add up to the figures in the corner. The more extreme (high or low) a sum is, the fewer possible combinations of numbers there will be.ģ. Try to find cages with very low or very high sums. Dont leave it alone for too long and always lock it up before the moon comes out. In the above puzzle, there are several of these e.g. Killer Sudoku must be treated with respect. First try to find cages with only one cell. Numbers cannot repeat within a single row, column or 3x3 region.Ī partially solved puzzle.Make sure the cells can be added up to the sum of its cage.Every cell is a part of a cage, indicated by colors.Fill all rows, columns and 3x3 region with numbers exactly like in regular sudoku.The concrete rules of killer sudoku are as thus: Note the color cages, and the sum for each cage. Each cell in a cage is added up and must match the sum of that cage.Īn unsolved killer sudoku puzzle. Each of these cages has a sum, and you must work out what numbers to put in each cell based on the sum of the cage. An in addition to the rows, columns and 3x3 regions, every cell is also a part of a cage, indicated by different colors. In killer sudoku, no numbers will be filled in at the start. The difference is how you arrive at those numbers. Choose the type of challenge you want with this full-colour collection of quality Killer Sudoku puzzles at five levels of difficulty, from mild to deadly. Your goal is the same as in regular sudoku: fill every row, column and 3x3 region with the numbers 1-9 once. Killer Sudoku is a mix of Sudoku and Kakuro.