Tired of the Classic Sudoku? Try These Popular Variants of Sudoku


Are you looking for a new challenge if you’re sick of playing classic Sudoku? There are numerous Sudoku puzzle variations, each with somewhat different rules. This post has compiled a collection of the most popular Sudoku variations that you can try if you are tired of the standard Sudoku. Let’s explore them.

  1. Killer Sudoku

One of the most well-known Sudoku versions is the Killer Sudoku. It is ideal for Sudoku specialists because it is also quite challenging. However, this game is a great choice if you’re seeking a puzzle game that may challenge your brain while providing you with hours of entertainment. Killer Sudoku puzzles go by several other names like Sumoku, Sumdoku, and Addoku.

Killer Sudoku is, of course, more challenging to finish than standard Sudoku. The sudoku puzzle game typically has options for easy, medium, hard, and expert difficulty levels. This makes it simple to choose a level of difficulty that you can tolerate without exerting too much mental effort. So both Sudoku experts and newcomers may want to think about Killer Sudoku. You can play all the difficulty levels if you play Killer Sudoku often and become an expert.

How to solve Killer Sudoku 

The “45 rule” is one of the best methods for solving the free Sudoku puzzle games. Each column, row, and 3×3 square must contain 45 numbers to meet the criterion. Determining what is in that vacant cell will be simple by subtracting the cage quantities. This is a wonderful approach to start the game by placing some of the first numbers on the grid. You can continue to reveal the game and add new numbers as soon as you have them.

  1. Sudoku Evil

Played on a 9×9 grid, Sudoku Evil is similar to regular Sudoku. The fact that it is the most challenging is the sole difference, though. Only seasoned Sudoku players can complete the difficult level known as Sudoku Evil. This form of Sudoku can’t be solved using simple, fundamental Sudoku knowledge. You need to know how to use and comprehend more about Sudoku-solving techniques. Even though Sudoku Evil is very challenging, many seasoned players prefer it because it challenges their problem-solving abilities.

The basic idea between Sudoku Evil and traditional Sudoku is the same. The goal is to fill the grid while ensuring no number from 1 to 9 repeats in any columns, rows, or squares. Usually, only four or fewer numbers are pre-placed when playing Sudoku Evil. Because of this, completing the Sudoku Evil level is challenging.

Fill in the squares, columns, or rows with the most numbers first. It seems easier to tackle these squares, rows, and columns.

  1. Samurai Sudoku

This is yet another preferred Sudoku variation. Five overlapping sudoku grids and classic sudoku rules are features of Samurai Sudoku puzzles. The remaining portions of each board rely on overlapping pieces while still following the fundamental rules of Sudoku. It’s the same as playing five separate free Sudoku puzzle games at once, except that the four outer corners of the center puzzle complement those of the middle puzzle’s four exterior corners.

All puzzles on Samurai Sudoku have a unique solution that can be found using logic; thus, guessing is not required.

Samurai Sudoku’s rules

  • Each Samurai Sudoku puzzle comprises five overlapping standard 9X9 Sudoku sub-puzzles.
  • 2. The Sudoku rules stipulate that every row, column, and 3X3 box must only contain digits from 1 to 9, with no repeating digits permitted, and must be followed to complete each 9X9 sub-puzzle.
  • Each Samurai Sudoku puzzle has a single, straightforward solution.
  1. Jigsaw Sudoku

The cages are squares in all of the Sudoku variations mentioned above. In contrast to the abovementioned Sudoku, Jigsaw Sudoku uses cages in a different arrangement.

Often, the arrangements themselves are so tightly intertwined that they look like jigsaw puzzle pieces. As a result, some extremely intriguing puzzle patterns can be made. When jigsaw sudoku puzzles have been colored, they can be particularly entertaining to look at and play. Jigsaw Sudoku is more difficult to understand and complete because most sudoku solutions call for square or rectangle-shaped cages.

How to solve Jigsaw Sudoku puzzles

The following are the game’s rules:

  • The numbers 1 through 9 in each row must only appear once.
  • Each column must contain only one instance of each number from 1 to 9.
  • Each sub-region can only have one appearance from 1 through 9.

The regions in a Jigsaw Sudoku puzzle can take any form, unlike the traditional Sudoku puzzle’s 3X3 squares. Still, the concepts are similar to the modern Sudoku rules. There are always nine squares, but they can be of any shape.


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