Sudoku X - Classic Sudoku
* Classical sudoku game
* 500+ levels (easy, medium, hard, expert)
* 200+ tasks
* Night mode / Bright mode
* Available in English / Chinese
* All kinds of tools: (Available forever once purchased)
* Hint tool (Reveal a digit)
* Note tool (Complete notes for all cells)
* Filter tool (Filter cells for a digit)
* No popup ads / No banner ads
Contact: [email protected]