Sudoku: 2 in 1!

Sudoku: 2 in 1 is Sudoku game that combines both Classic Sudoku game (with numbers) and Colored Sudoku game (instead of numbers, the board is filled with nine different colors).Thousands of puzzles with 7 difficulty levels, ALL FREE, no In-App purchases.-The full list of features:- Excellent graphics, sound effects and music 7000 puzzles, ALL FREE and UNLOCKED 7 difficulty levels (very easy, easy, medium, hard, very hard, expert and master) Two game styles play Classic Sudoku (with numbers) or play Colored Sudoku Detailed instructions Highlights the same numbers, numbers in the same row and in the same column Hints Option to put the notes Counts correct and wrong answers Automatically saves the current state of the game, so the game state would be automatically restored if you quit the application Sound / Music control Enjoy