16x16 Medium Sudoku Puzzles

Check out a set of free printable 16x16 medium Sudoku puzzles to test your brain. Great for Sudoku fans, these puzzles are a fun and exciting way to boost focus, attention, and problem-solving skills. Download, print and have fun solving today!

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Basic Rules / How to Play

  • Grid Size: The puzzle has 16x16 grid size made up of sixteen 4x4 sub-grids.
  • Unique Numbers: Each row, column, and sub-grid must contain all digits from 1 to 16 without repetition.
  • Pre-Filled Numbers: The numbers given at the start of the puzzle must remain unchanged.

Need Help?

If you're stuck or want to learn advanced strategies, check out our Full Sudoku Guide.

How to Download & Print

Click the puzzle thumbnail to open the printable PDF. For the best results, select "Fit to Page" or "Scale to 100%" in your printer settings.

Need Help?

To get started, check out these instructions, goals and rules for how to solve Sudoku

How to Download & Print

Click the puzzle thumbnail to open the printable PDF. In the print dialog, ensure "Actual Size" is selected for the sharpest grid lines.