Online Sudoku

Medium (Intermediate) Jigsaw Sudoku - Free Online Jigsaw Sudoku Puzzles

Play free medium (intermediate) jigsaw sudoku online. Experience irregular puzzle-piece shaped regions that create unique solving challenges.

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Mistakes
0/3
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Controls

What is medium Sudoku?

Sudoku is a logic-based number puzzle game that has captivated millions worldwide. This popular web sudoku game challenges players to fill a 9×9 grid with digits 1-9, ensuring each number appears exactly once in every row, column, and 3×3 subgrid.

Our free sudoku online platform offers the perfect digital experience for puzzle enthusiasts of all skill levels. Whether you're a beginner learning the basics or an expert seeking the ultimate challenge, our web-based sudoku puzzles provide hours of engaging mental exercise.

medium difficulty sudoku puzzles are specifically designed for players who have mastered the basics and are ready for intermediate challenges.

How to Play medium Sudoku

Basic Rules

  • •Fill the entire 9×9 grid with numbers 1 through 9
  • •Each row must contain all numbers 1-9 without repetition
  • •Each column must contain all numbers 1-9 without repetition
  • •Each 3×3 subgrid must contain all numbers 1-9 without repetition

Web Sudoku Controls

  • •Click any cell to select it
  • •Use keyboard numbers 1-9 to fill cells
  • •Press 'D' to toggle draft mode for notes
  • •Use Delete/Backspace to clear cells
  • •Click the Hint button for assistance (3 hints per puzzle)

Medium Sudoku Solving Techniques

Look for hidden singles and pointing pairs in irregular regions.

Key Techniques for Medium Sudoku:

  • ✓Look for naked and hidden singles in jigsaw regions
  • ✓Use pointing pairs between irregular regions
  • ✓Apply intersection removal techniques
  • ✓Focus on regions with multiple constraints

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