What You Should Know About Killer Sudoku Puzzle Game

By Albert Howard

Killer Sudoku is one of the best number puzzles out there. It is one of those most difficult to solve number games. But if you are looking for something new and challenging, this game is a perfect choice for you. Killer Sudoku is also known as sumdoku, sumoku, and addoku puzzle. 

If you are not familiar with Killer Sudoku, you are probably wondering what makes it different from classic Sudoku. Well, let’s find out.

What is the difference between Sudoku and Killer Sudoku?

While these two games share a lot of similarities, they also have some notable differences. One of the differences is the number of arithmetics involved. In Killer Sudoku, there is a new whole idea of a “cage”, where a group of cells in a dotted line constitute a sum. Like in classic Sudoku, your goal is to fill the grid with numbers, while focusing on “the sum rule.”

How is Killer Sudoku played?

  • Fill all columns, rows, and 3×3 squares with numbers 1-9 just like classic Sudoku
  • Focus on the cages- groups of cells indicated by dotted lines
  • Ensure that the sum of numbers in every cage is equal
  • You should ensure that no number is repeated within the cages, column, row, or 3×3 squares

Are Killer Sudoku puzzles hard to solve?

Of course, there is no doubt that playing Killer Sudoku is harder than playing classic Sudoku. However, the best thing about this number game is that it comes in different difficulty levels, including easy, medium, hard, and expert. This allows you to pick a difficulty level that you can solve easily without burdening your brain. This also makes Killer Sudoku perfect for both Sudoku beginners and veteran Sudoku lovers. If you practice Killer Sudoku more, you will definitely become a better master within no time, and you will be able to play all the difficulty levels. 

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The best strategy for solving Killer Sudoku

One of the best strategies you can use to solve Killer Sudoku is the “45 rule”. From the rule, each column, row, and 3×3 square shall contain all numbers from 1 to 9, making it a total of 45. By understanding this and subtracting the sums of cages, you can easily reveal what is inside that particular empty cell. This is an amazing strategy to kickstart the game and place some of the first numbers on the grid. Once you have them, you can continue unveiling the game and placing more and more numbers.

Why you should play Killer Sudoku

While Killer Sudoku is extremely hard to solve, it offers plenty of benefits. This number puzzle can boost your memory and concentration. If you are still not satisfied with these reasons, Killer Sudoku is a number game that is extremely fun to play, so you are guaranteed that you will have a great time when playing this number puzzle. 

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