What does soduko in Japanese mean?

In Japanese, "sudoku" (数独) translates to "single number." It is derived from the characters "数" (suu), meaning "number," and "独" (doku), meaning "single" or "alone." The name reflects the game's objective of filling a grid with numbers so that each row, column, and region contains all the digits without repetition. Sudoku has become a popular puzzle game worldwide, emphasizing logic and problem-solving.