Gridline: Logic Puzzles
Open in Google PlayApp details
- Version
- 1.0
- Updated
- 18.09.2026
- Category
- Puzzles and Quests
- Compatibility
- Android
- Package name
ro.icm.logicpuzzles- Source
- Official Google Play page
Gridline: Logic Puzzles brings the timeless challenge of newspaper logic games into a single, serene Android application. Designed for clarity and focus, every puzzle is generated specifically for your device screen and guarantees exactly one solution. You will never be forced to guess your way through a level because the entire grid can always be solved using pure logic alone.
This makes it an ideal companion for commuters or anyone seeking a calm, screen-free anxiety experience during their daily routine. The app features four distinct puzzle types, each available in three difficulty levels to suit your skill. Nonogram, known by many names like Picross or Paint by Numbers, challenges you to reveal hidden images using numeric clues.
Killer Sudoku, or Sum Sudoku, adds a mathematical twist to classic 9x9 grids with cages that must sum to specific totals. Binairo, or Takuzu, requires filling grids with zeros and ones while avoiding triplets and ensuring unique rows and columns. Futoshiki, or Unequal, tests your ability to place numbers correctly while satisfying inequality signs.
A unique feature is the Daily Puzzle, which offers the same challenge to all players, encouraging a shared community experience and a streak to maintain. If you get stuck, hints are provided not just as answers but as educational tools that explain the logical technique used or point out your mistake.
How to install the app
- Check the version, Android compatibility, developer and source in the app details block.
- Open the official app page on Google Play if a link is available.
- Before installing, review app permissions and use only sources you trust.
Frequently asked questions
Does Gridline: Logic Puzzles require an internet connection?
No, Gridline works completely offline on your Android device, allowing you to play any puzzle type without needing an active internet connection or account.
What types of logic puzzles are included in the app?
The app includes Nonogram, Killer Sudoku, Binairo, and Futoshiki, each available in three difficulty levels to cater to both beginners and advanced logic players.
How do the hints work in Gridline?
Hints explain the logical technique behind the next step or point out mistakes, helping you learn the reasoning process rather than just filling in the answer blindly.
Is there a way to remove advertisements in the app?
Yes, you can make a single in-app purchase to remove all banner ads and interstitial ads between puzzles, providing a completely uninterrupted gameplay experience.
Similar apps
No comments yet. Be the first!