Sudoku - Classic Puzzles

Classic Sudoku Cards ever!

The best Sudoku Cards ever!
If you are a big fan of puzzle games, then you should not miss Sudoku.
Sudoku - Classic Puzzles have four difficulty levels: easy, medium, hard, and expert! Choose any level you like!
Features：
--Single-Solution
--Minimalist graphics
--Notes and Hints
--Free to play
--No time limited
Challenge your brain anywhere, anytime!