SudokuPlus15

Are you looking for a very difficult yet fun and addictive number puzzle game?
Then here it is: Sudoku Plus 15.
It is a combination of Sudoku and Fifteen Puzzle.
It gets much more difficult when level is increased. That is to say, if you solve even one last level puzzle then you are certainly a genius.

The objective is to fill all grids with digits so that each column, row, and 3x3 sub-grids contain all of the digits from 1 to 9.

Get clarity of mind, plenty of entertainment...