Sudoku was first discovered by a mathematician named Howard Garns in 1979.
Sudoku's name comes from Japanese, which means a single number.
Sudoku was first introduced in Japan in 1986 by a game magazine called Nikoli.
Sudoku initially did not use numbers, but symbols such as flowers, stars, or letters.
Sudoku has a simple rules, which is to fill in numbers from 1 to 9 in empty boxes, so there are no same numbers in one row, one column, or one 3x3 box.
Sudoku has many benefits, such as increasing concentration, reducing stress, and increasing mathematical capabilities.
There are many variations of Sudoku, such as samurai Sudoku, Killer Sudoku, and Sudoku who use letters or symbols as a substitute for numbers.
The fastest Sudoku settlement record is currently 1 minute 23.93 seconds, printed by a Japanese player named Taro Arimatsu in 2017.
There is a Sudoku World Championship which is held every year, which is followed by players from various countries.
Sudoku has become a global phenomenon, and has been translated into various languages, including Indonesian.
