Sudoku Puzzle Instructions

You solve sudoku puzzles with reasoning and logic. Sudoku is played on a 9x9 grid, divided into smaller regions (3x3 grids). Rules:

             
   
   
   
           
             
  
  
  
   
   
   
  
  
  
   
   
   
             
           
  
  
  
             






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Sudoku help: how to solve difficult sudoku puzzles

Sudoku puzzles, from easy to the hardest ones are solved with observation and logic.

For difficult puzzles here is a proven sudoku strategy: try finding the right square to hold a number instead of looking for the right number to go into a square:

  1. Focus on the region and list the missing numbers
  2. Now look at the entire row: if a missing number appears in 2 rows, the number has to go into the remaining row
  3. Now look at the entire column: if a missing number appears in 2 columns, the number has to go into the remaining row