![]() 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. The last cell must then contain (45 - (9+12+14+2) = 8).Ĥ. Killer Sudoku (also called Sum Sudoku) are a kind of hybrid puzzle that combine the best features of Sudoku and Kakuro (cross-sum) puzzles. 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. Mathematics can be used to study Sudoku puzzles to answer questions such as 'How many filled Sudoku grids are there', 'What is the minimal number of clues in a valid puzzle' and 'In what ways can Sudoku grids be symmetric' through the use of combinatorics and group theory. 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. A 24-clue automorphic Sudoku with translational symmetry. ![]() The more extreme (high or low) a sum is, the fewer possible combinations of numbers there will be.ģ. A great technique for solving Killer Sudoku is using the Kakuro number combinations. Try to find cages with very low or very high sums. Printable Math Killer Sudoku logic puzzles for kids and adults with. In the above puzzle, there are several of these e.g. First try to find cages with only one cell.
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