what is a sudoku puzzles
A Sudoku puzzle is a number puzzle that originated in Japan. The basic idea is to get the numbers 1-9 horizontally, vertically, diagonally, and in each box without repeats
Answer:
Sudoku is a number puzzle.
There is 'Wordoku' too.
there are 6x6, 9x9(popular), 12x12 size, and more.
It looks like this.
This picture below is 6x6 size.
