Sudoku.com Game Walkthrough 'Hard' sudoku made easy

We provide guides, tips, tricks and tutorial of Sudoku.com, video walkthrough of how to get three stars of each level, Solutions, Answers, Walkthrough, and Cheats of Sudoku.com, enjoy!
Sudoku.com is a popular game published on Android Google Play And IOS APP Store. Sudoku is a mathematical game from the 18th century Switzerland. It is a logic game that uses paper and pen to calculate. The game interface is clean, the music is soothing and the sound is cute. The difficulty begins not to be high and gradually increases. Suitable for beginners. It is also good to play before going to bed.