original paid game.
Classical 9x9 Sudoku puzzle. This is a Premium version of a classical relaxing game Sudoku. Minimalist interface and absence of any distractive elements allow users to concentrate on solving the puzzle. Sudoku 9x9 is a number game which is based on the logical placement of numbers. You can choose the difficulty level from Easy to Super Hard. Choose Easy if you want to relax and Super Hard if you really want to challenge yourself and train your brain. It might be hard to keep