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

Game:  

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

Game:  

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

Game:  

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