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:  

G a m e
N o t
F o u n d
Skill Level:

Game:  

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

Game:  

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

Game:  

3   5     8   1  
      2     8    
8       1   5 9  
  6     8       9
      1   7     8
  4     9       1
5       6   7 4  
      5     1    
4   6     1   8  
Difficulty: starstarhalf star
starstarstarstarstarstarstarstarstarstarstarstarstarstarstar
EasyMediumHardVery HardDiabolical