Puzzle & Word · Open source
Futoshiki
Sayan
A clean, modern Futoshiki logic puzzle game
Opens the official F-Droid page
About Futoshiki
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.
How to install Futoshiki
- Tap Download — the app's official page on F-Droid opens.
- Install it with the F-Droid app (recommended, for automatic updates), or use the download button on that page.
- If Android asks, allow the F-Droid app or your browser to install apps, then tap Install.
- Open Futoshiki from your app drawer.



