How to solve Sudoku

Sudoku is a logic-based number puzzle where the goal is to fill in all the empty squares on the grid. Each puzzle is made up of nine rows, nine columns, and nine 3×3 boxes. The aim is simple: every row, every column, and every 3×3 box must contain the numbers 1 through 9, with no repeats.

A good place to begin is by looking at the numbers that are already filled in. These given numbers are your clues. Take a moment to scan the grid and notice which rows, columns, or boxes already contain many numbers. The more numbers you see, the easier it is to figure out which ones are missing.

As you work through the puzzle, focus on one small area at a time. Instead of trying to solve the entire grid at once, concentrate on a single row, column, or 3×3 box. Ask yourself which numbers are missing and whether there is only one number that can fit in a particular square. When only one option makes sense, you’ve found your answer.

Another important part of solving Sudoku is elimination. If a number already appears in the same row, column, or box, then it cannot be placed in that square. By gently ruling out what doesn’t work, the correct solution often becomes clear. This process takes patience, but it is the foundation of every Sudoku puzzle.

Sudoku is not about speed or guessing. It’s about observation and logical thinking.

Taking your time and working step by step will always lead you forward, even if progress feels slow at first.