An undersea spin on the classic number game, Blue Reef Sudoku will have you swimming in puzzling fun for hours. The goal is always the same: fill the grids, columns, and rows with numbers 1-9 without repeating any digits. Use the boards that come with the game, or make your own to share with friends. With amazing graphic and wonderful music, you'll never want to end this challenge. Become a Sudoku Master!

3 gameplay modes.

Save your progress.

3 difficulty levels.