Killer Sudoku Tips

Your online source of killer sudokus.

Killer sudoku tips. However the twist is the grid is split into various shapes and for each shape a number is given which corresponds to the sum of the cells. Start by using the rule of 45 on the left 2 columns yielding. The third is to consider the total value of a region. Regular sudoku rules apply.

Killer sudoku tips 1. The hardest ones however can take hours to crack. Two killer sudoku puzzles and two greater than sudoku puzzles and one greater than killer sudoku puzzle. First try to find cages with only one cell.

A new killer sudoku every day. Therefore the total of all numbers in one row column or block will always be 45. Welcome to killer sudoku online. Complete the grid such that every row every column and every 3 x 3 block contains the digits from 1 to 9.

In addition the numbers within each outlined region cage must sum to the indicated value and numbers may not repeat within these cages. This uses the fact that every row column and block must contain each of the numbers 1 to 9 once. The numbers in this column. In the above puzzle there are several of these e g.

An essential killer sudoku solving technique is the 45 rule. A typical problem is shown on the right using colors. Killer sudoku is a fun variant of the standard sudoku puzzle. But for the uninitiated the starting position of a killer sudoku puzzle with givens at all can strike fear into one s heart or at least appear intimidating.

Killer sudoku solving tips. A 3 in r4c2. Try to find cages with very low or very high sums. The second is to consider the different ways that a sum can be created.

You can play any of them online or print them out to play offline. Every cage has a little clue in the corner and digits in each cage must add to the clue. Rules objectives summary. Killer sudoku is a popular variation on the classic sudoku puzzles.

There are five puzzles on this page. Killer sudoku also killer su doku sumdoku sum doku sumoku addoku or samunamupure is a puzzle that combines elements of sudoku and kakuro despite the name the simpler killer sudokus can be easier to solve than regular sudokus depending on the solver s skill at mental arithmetic. A very useful tip is that the sum of all. The more extreme high or low a sum is the fewer possible combinations of numbers there will be.

The puzzle magazine of killer sudoku puzzles contains 100 absorbing killer sudoku puzzles for you to enjoy. The puzzle begins blank but these rules give you all the information you need to solve it. Killer sudoku solving strategies there are three basic methods used to solving killer sudoku puzzles. All the rules remain in place with regard the rows columns and 3 x 2 or 3 x 3 squares containing the numbers 1 6 or 1 9 once and once only.

The 2 already filled in. The first is to use the strategies for solving regular sudoku puzzles.