Logic Grid Puzzles: Brain Game

In-app purchases
4.7
2.1K reviews
100K+
Downloads
Content rating
Everyone
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About this game

Enjoy Logic Puzzles with 100 unique brain puzzles of increasing difficulty and multiple sizes with no ads. These logic puzzles will keep your brain active and improve your cognitive skills. Smart Hints will teach your brain how to play and help your brain learn new patterns. Use the clues to fill in the grid and solve each logic puzzle. Work your way up from from a logic puzzle beginner to master! Use unlimited Smart Hints to see exactly which clue applies to the current board and why. Start with small 3×4 logic puzzles or challenge your brain with huge 4×7 cell puzzles.

Smart Hints examine your solution so far and explain how to fill in another cell by referencing your current board position and telling you what clue to use next (internet access required). Your brain will love the extra training this provides.

Other features include Auto-X for faster entry and multi-level Undo. These make it easier and quicker for your brain cells to focus on the logic! If you're completely stuck, you can check the grid for errors.

Logic puzzles supports modern Android features like adjustable text size and Dark Mode.

For more puzzles, you can purchase extra volumes each with 100 new puzzles of the same sizes as in the initial app. Alternatively, the optional monthly subscription unlocks 10,000 puzzles of all sizes. It will automatically renew unless you cancel at least 24 hours before the end of the monthly period. You can manage or cancel your subscription anytime in your Google Play account settings or using the Manage button in the app.

Logic Grid Puzzles’ privacy and terms of use policies: https://eggheadgames.com/legal

Email: [email protected]
Web: https://eggheadgames.com

These logic puzzles are licensed from Puzzle Baron.
Updated on
Mar 9, 2026
Available on
Android, Windows

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
App activity and App info and performance
This app may collect these data types
App activity and App info and performance
Data is encrypted in transit
Committed to follow the Play Families Policy

Ratings and reviews

4.6
1.83K reviews
Jessica Hill
February 14, 2026
These Egghead/ Penny Dell Logic Puzzle games are hands down the best available in the Play Store. These are free quality professional puzzles! Written clearly. No grammatical errors. Unique stories. Clever clues. You can choose your own preferred difficulty level instead of having to play extremely easy ones before "unlocking" more challenging puzzles (like other apps in this genre) There are NO intrusive ads interrupting thought process. App interface is very clean and helpful. Great. 😊
4 people found this review helpful
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Ren Kanakis
December 5, 2025
Fun logic puzzles. I had an issue where I was 2 moves from the end of a puzzle when it suddenly exited to the puzzle type choice screen (the main one with all the circular icons) and when I clicked back to the puzzle I was solving, it had been completely wiped clean. I tried to restore it by pressing undo, then by going to recent apps and reloading, but nothing changed. Kind of annoying to have to redo the full puzzle at that point.
4 people found this review helpful
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Amy Harris
September 19, 2024
The game is challenging and fun, and offers a ton of puzzles for free. However, the bigger puzzles get a little frustrating because the boxes get very tiny and go all the way to the edge of the screen, so it can be difficult to mark the box you're aiming for without a thin stylus. There is at least an undo button, but I have accidentally marked boxes without noticing right away quite a few times.
23 people found this review helpful
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Egghead Games LLC
September 19, 2024
Thanks. FYI, you can pinch/zoom the screen to make the boxes bigger. You can also tap on the row/column header so when you zoom it is easier to keep track of which cell you're on. It's a challenge to both display as much as possible but also make it big enough to tap! I hope this helps. Happy puzzling!

What’s new

* fixes a problem with opening the 1,000 subscription puzzles we had just added for those who have been running out. Sorry about that!
* Bug fixes and improvements

Email us anytime at [email protected], and if you can include a screenshot, that's often especially helpful!