Sudoku Gridmaster ('Sudoku Master in Europe, 'Puzzle Series Volume 3: Sudoku in Japan) is a Nintendo DS video game by Hudson Soft that was released in 2006 worldwide (excluding Australia, where it was released on February 22, 2007). The game was published by Hudson Soft in Japan, though in America, Europe and Australia Nintendo published it. The game is simply a version of the popular sudoku puzzle game for DS. Prior to this game being released, hundreds of sudoku puzzles were made available in Brain Age: Train Your Brain in Minutes a Day!
Sudoku Gridmaster is controlled using the stylus. The game contains different difficulty levels, including practice, easy, normal and hard. There are four hundred puzzles in all. Practice contains ten puzzles, easy has eighty, normal has 190, and hard has 120. All countries have the same puzzles.