Deduce

In-app purchases
Content rating
Everyone
100+
Downloads
Teacher Approved
Content rating
Everyone
Learn more
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About this game

Train your brain with Deduce — the ultimate daily logic challenge!

Whether you’re a curious beginner or a seasoned puzzler, Deduce delivers fresh, satisfying challenges every single day.

Daily Puzzles
• Three brand-new puzzles every day: Easy, Medium, and Hard
• Ideal for a quick 5-minute challenge or a deep dive

Instant Archive Access
• Unlock and play over 100 puzzles right from the start
• Explore past puzzles with the sleek calendar view

Special Puzzle Packs
• Download themed packs — some free, some available for purchase
• New packs added regularly without needing an app update

For All Skill Levels
• Challenging enough to stump experienced puzzle fans
• Great for teaching kids logical thinking

Built-in Guide
• Learn the ropes quickly with an in-app tutorial
• Master subtle strategies as you go

Every Puzzle is Handcrafted
• One unique solution per puzzle
• No guessing — all connections must be used

Pure Gameplay, No Distractions
• No ads, no timers, no pressure
• Clean interface designed to keep you focused
• Progress is saved automatically

Deduce is your daily dose of logical satisfaction — quick to pick up, impossible to put down.
Train your brain with daily logical deduction grid puzzles.
Updated on
Sep 11, 2026

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
  • This app may share these data types with third parties
    Device or other IDs
  • No data collected
    Learn more about how developers declare collection
  • Data is encrypted in transit
  • Data can’t be deleted
  • Committed to follow the Play Families Policy

What’s new

Increasing target API per Google requirements.
Content rating
Everyone
Learn more

App support

About the developer
Mark Mainwood
mark@tieaknot.com
19 Braiswick COLCHESTER CO4 5AU United Kingdom

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