OnlinePuzzles.org - Free Online Puzzle Games. OnlinePuzzles.org is a free online puzzle game platform offering Sudoku, Number Puzzle, Word Puzzle, and Memory Match games. Part of FlameAI Studio ecosystem. No registration required. Instant play. Brain training and cognitive development through logic puzzles, spatial reasoning games, word games, and memory games. Educational resources, puzzle strategies, and brain training articles available. Publisher: FlameAI Studio. Location: Global. Language: English (US).

OnlinePuzzles.org

Printable Puzzles - Sudoku & Word Search

Download free printable puzzles for offline play. Choose Sudoku by difficulty or explore themed Word Search printables with answer keys.

New printable puzzles added daily. Today's selection updated on December 23, 2025 (UTC).

Printable Sudoku Puzzles

Easy, medium, and hard Sudoku puzzles formatted for clean printing. Each puzzle includes a PDF with answers.

  • 9x9 grids optimized for printing
  • Easy, Medium, Hard categories
  • One puzzle per page + answer key
Browse Printable Sudoku

Printable Word Search

Themed word search puzzles with clear grids and separate answer keys. Great for classrooms and screen-free play.

  • Animals, Food, Nature, Travel, Sports, Vocabulary
  • 10x10 grids for comfortable printing
  • PDF with answers included
Browse Word Search

Prefer Online Play?

Play Sudoku and Word Search online, or try today's Daily challenges.

Play Sudoku OnlinePlay Word Search OnlineDaily Puzzles

Key Points

  • Printable puzzles rotate daily using a UTC date seed.
  • Each printable includes a PDF and a separate answer key.
  • Sudoku focuses on difficulty levels while Word Search focuses on themes.
  • Downloads are consistent with the preview shown on the page.

Steps

  1. Select a category and preview today's printable set.
  2. Download the PDF and optional answer key for offline use.
  3. Use the same date seed if you want to reprint later.
  4. Try the online version on the games page if you want instant play.

Examples

A student prints today's Sudoku from Printable Sudoku and checks the answer key after class.

A family downloads a Word Search theme from Printable Word Search for a screen-free activity.

A daily routine alternates between printables and quick online sessions on Games.

FAQ

How often do printable puzzles change?

Printable sets rotate daily using a UTC date seed.

Do the PDFs match the preview?

Yes, the preview is generated from the same daily selection as the PDF.

Can I re-download the same puzzle?

Yes, using the same date gives you the same printable set.

Are answer keys included?

Every printable includes an optional answer key PDF.

What if I prefer online play?

You can play directly on Games or try a challenge on Daily.

Do printables work on mobile?

Yes, you can download on mobile and print later from any device.

Summary

Printable puzzles provide a simple daily routine with consistent previews and downloadable PDFs. A small set of rotating printables keeps the experience focused and predictable.