Printable Sudoku

Hard Sudoku Collection

Tougher puzzles for focused, high-precision solving.

TodayToday's Hard Sudoku • Updated daily • October 7, 2026 (UTC)

New puzzle rotates daily from our 365-puzzle library.

TodayToday's puzzle • Updated daily • October 7, 2026 (UTC)

Loading today's puzzle...

Prefer to play online?

Use the interactive Sudoku game when you want hints, undo, or daily challenges.

Play Sudoku online
Hard Printable Sudoku - Free PDF Collection | FreePuzzles.net | FreePuzzles.net