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:  

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

Game:  

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

Game:  

G a m e
N o t
F o u n d

Game:  

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