«Sudoku 9» - free supplement for the game in classic Sudoku. The supplement has three levels of complexity: simple Sudoku, Sudoku of middle complexity and complex Sudoku. There are three games in every level in “Sudoku 9”. When you gather the game correctly, you will get a certain number of scores that depend on the level of complexity and time of the game, consumed to solve it. Time and scores you can see passing to the screen “Games”. There are separate statistics of scores about all three levels of complexity in the supplement, and general amount of scores about all games is calculated. This information you can see passing to the screen “Score”. On the screen “Settings” you can switch on/off the sound and virtual keyboard which is located on the screen “Game”, also you can clear the result’s base of the games. On the screen “Help” you can see the rules of Sudoku. During the game the supplement controls the fulfillment of the rules and in case of disorder it gives information massage. If you like the supplement of “Sudoku 9” you can get its commercial variants to enrich your collection of games such as “Sudoku 30”, “Sudoku 60” and “Sudoku 90”, in which there are unique (non repeated) set of games in Sudoku. Enjoyable games!