Sudoku x 4

The goal of the game (aka Sudoku or Number Place) is to fill in the empty cells, using the numerals 1 through 9, placing one number in each cell so that each column, row, and 3x3 region contain the numbers 1-9 exactly once. Sharpen a pencil, print this page, and get started.

Game:  

    1   6   5    
  9   2   1   8  
3               2
    6   9   8    
8     5   4     3
    7   8   2    
6               9
  7   9   5   4  
    9   1   7    
Difficulty: starstarhalf star
Skill Level:

Game:  

  2 6 7       4  
3       6       5
5           9 6  
  5   2         6
  1     7     5  
2         4   7  
  3 5           8
1       2       7
  6       7 5 9  
Difficulty: starstar

Game:  

  6 5     1 4   9
        5     1  
2     6     5    
    9     8     3
    1 9          
    7     4     6
3     7     8    
        1     6  
  9 8     6 2   7
Difficulty: star

Game:  

G a m e
N o t
F o u n d
starstarstarstarstarstarstarstarstarstarstarstarstarstarstar
EasyMediumHardVery HardDiabolical