Are you ready for a new challenge? Imagine a submarine world and its beauty. Here, deep in the ocean, amidst corals and seashells you find the board for classic Sudoku game. Excellent graphics, easy gameplay makes this puzzle one of the most addictive games ever made! With three game modes and three skill levels, this game will never let you get bored. Enjoy this great remake of Sudoku game! You"re welcome to Blue Reef!