The latest Sudoku was designed by Howard Garns, who was an architect & freelance puzzle creator from Connersville, Indiana. The game was published in 1979. Dell Magazines published it.
The puzzle game first started in Japan in 1984, and it was named as “Sudoku,” It is the short form for the lengthy-expression “Sūji wa Kyokushin ni kagura” . It means the digits are just restricted to appearing once. It was later popular in Japan and still is, and earlier, people bought more than 600,000 Sudoku magazines monthly.
What exactly Jigsaw Sudoku is?
Jigsaw Sudoku, a puzzle, also known as ‘puzzle Sudoku.’ It is just another kind of regular Sudoku. Though it is different from daily Sudoku, jigsaw Sudoku makes use of unorganized gridding groups for replacing the standard three by three grids.
The famous Jigsaw Sudoku puzzles come in different difficulty levels.
Jigsaw Sudoku Gameplay
- In Jigsaw Sudoku, the jigsaw-regions(irregular) that take the place of 3-by-3 box areas from Sudoku continue to be of the same size. It means, for example, in a puzzle of 9 by 9, you have to place 1- 9 at least once (each) into each jigsaw region with bold lines and also the rows & columns.
- In all other manners, the puzzle works in the same fashion. Well, the change in regional areas brings in fresh turns to the logic needed in the game to solve this puzzle. This makes it even more difficult for you to determine the next move.
- The idea behind solving this puzzle is to fill up the numbers starting from 1 – N in N by N grids.
- You are not supposed to repeat the number in each row/column or group.
- Number 1 to N can be displayed just once in every column.
- Number 1 to N can be displayed just once in every row
- Number 1 to N can be displayed only once in every group