Quick answer
A clean, modern Futoshiki logic puzzle game
F-Droid repository metadata
Simple Futoshiki is a clean, modern take on the classic Futoshiki logic puzzle.
Fill the grid with numbers so that no digit repeats in any row or column, while satisfying the "greater than" / "less than" inequality constraints between cells.
Features:
* Three grid sizes (4x4, 5x5, 6x6) with Easy, Medium, and Hard difficulty * Smooth, modern Material 3 interface built with Jetpack Compose * Puzzle generator with unique-solution guarantee * Animated ninja vs dragon chase scene powered by KorGE * Custom theming system with 4 color themes and multiple theme modes * Pause and resume with timer and ranking system * No ads, no tracking, no network permissions required
100% free and open source under Apache 2.0.
Screenshots
How to install
- Download the APK from the button at the top of this page.
- Allow “Install unknown apps” for your browser or file manager only, not for every app.
- Open the downloaded file and confirm the installation.
- If installation fails with “App not installed,” remove an earlier build of the same app first. A signature conflict is the usual cause.
Data safety
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- Files are scanned for malware on every update.
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- Read the full safety policy for how we test, flag, and delist files.
Frequently asked questions
What is Futoshiki?
A clean, modern Futoshiki logic puzzle game
Who develops Futoshiki?
Futoshiki is developed by Sayan.
Which Android version does Futoshiki require?
Futoshiki requires Android API 26 or later.
What is the current version of Futoshiki?
The synchronized F-Droid version is 1.4.
Which license does Futoshiki use?
The signed F-Droid metadata lists Apache-2.0.
Where is the source code for Futoshiki?
https://github.com/samgrande/Simple-Futoshiki
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