Back to Home

Hard Sudoku

5 volumes • 20 challenging puzzles

How to Solve Hard Sudoku

Hard Sudoku puzzles are perfect for experienced players. Here are some tips to help you solve these puzzles:

1️⃣

Start by filling in the obvious numbers - look for rows, columns, or boxes with many numbers already filled

2️⃣

Use the process of elimination - if a number can only go in one place, put it there

3️⃣

Look for patterns and use advanced techniques like naked pairs or hidden singles

Print Instructions

Click on any volume above to view the 4 puzzles. Each puzzle page includes solutions that you can toggle on or off. Use your browser's print function (Ctrl+P or Cmd+P) to print the puzzles.