Sudoku Puzzle - Classic Sudoku

Brain challenge, study the grid to find the number that might fit in each cell.

The Sudoku puzzle begins with a 9x9 grid that already contains some numbers.
A completed puzzle is one where each number from 1 to 9 appears only in each of the 9 rows,columns and blocks.
Study the grid to find the numbers that might fit into each cell.
1.Classic sudoku game
2.Numerous beautiful themes
3.Improve logical thinking ability
4.Completely free game
5.Fun-filled gaming experience