Logic Puzzlesby Spark & Spiral

Logic puzzles

  • Aquarium
  • Binary Sudoku+
  • Color Flood
  • Crowns
  • Cryptograms
  • Daily Logic Puzzles
  • Dominosa
  • Dot Stream
  • Futoshiki
  • Galaxies
  • Calcudoku
  • Kurodoku
  • LITS
  • Logic Grid Puzzles
  • Mine Finder
  • Mosaic
  • Nonograms
  • NoriNori
  • Pipes
  • Renzoku
  • Skyscrapers
  • Slant
  • Sudoku
  • Thermometers
  • Yin-Yang
All logic games →

Word games

  • Final Phrase
  • Medieval Word Twister
  • Word Wheel
All word games →

Card games

  • Euchre
  • Solitaire Pro Collection
All card games →

Printable

  • This week's puzzle pack
  • Logic grid puzzles
  • Crowns
  • Binary Sudoku
  • Aquarium
  • Sudoku
  • Tent Logic
  • Nonograms
  • Calcudoku
All printable puzzles →
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Terms of Service

Last Updated: January 29, 2026

1. Agreement to Terms

By accessing and using Logic Puzzles (logicpuzzles.ca), you agree to be bound by these Terms of Service. If you disagree with any part of these terms, you may not access our website or use our services.

2. Intellectual Property Rights

All content on this website, including but not limited to games, text, graphics, logos, and software, is the property of Logic Puzzles and is protected by intellectual property laws.

You may not:

  • Copy or reproduce any content without permission
  • Modify or create derivative works
  • Use content for commercial purposes without authorization
  • Remove any copyright or other proprietary notices

3. User Accounts

When you create an account with us, you must provide accurate and complete information. You are responsible for maintaining the security of your account and password.

4. Acceptable Use

You agree not to:

  • Use our services for any unlawful purpose
  • Attempt to gain unauthorized access to any part of the website
  • Interfere with or disrupt the service or servers
  • Use automated means to access the service
  • Transmit malware or other harmful code

5. User-Generated Content

If you submit feedback, suggestions, or other content, you grant us a non-exclusive, worldwide, royalty-free license to use, modify, and incorporate it into our services.

6. Third-Party Links

Our website may contain links to third-party websites. We are not responsible for the content or practices of these websites and encourage you to read their terms and policies.

7. Termination

We may terminate or suspend your access to our services immediately, without prior notice, for any breach of these Terms of Service.

8. Limitation of Liability

Logic Puzzles and its operators will not be liable for any indirect, incidental, special, consequential, or punitive damages arising from your use of the service.

9. Changes to Terms

We reserve the right to modify these terms at any time. We will notify users of any changes by updating the "Last Updated" date of these terms.

10. Governing Law

These terms shall be governed by and construed in accordance with the laws of Canada, without regard to its conflict of law provisions.

11. Contact Information

For any questions about these Terms of Service, please contact us at: [email protected]

Logic Puzzles

Free, fair, beautifully made logic puzzles. Made in Canada by Spark & Spiral.

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Popular Puzzles

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  • Sudoku
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  • Calcudoku
  • Mine Finder
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  • Cryptograms
  • Tent Logic
  • Futoshiki
  • Printable Puzzles

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Every puzzle solvable by logic alone.