Happy Sudoku (Free)

Happy Sudoku is a fun puzzle game. In addition to traditional Sudoku in numbers, the most special feature is that you can switch to the photo mode. Between different themes, you need to locate the cute animals, fruits, vehicles, etc. to complete a Sudoku puzzle.
There are five difficulty levels in this game. From the piece of case level to expert level that makes you cry. A total of 500 levels, really challenging! You can locate multiple numbers in a single block which helps you thinking, thus to solve the most difficult ones. I believe that in solving these well-designed puzzles, you can get lots of fun in this game. Enjoy it!