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One Line Puzzle

Draw a single continuous line to connect numbers and completely fill the grid!
Unleash your logic with One Line, the ultimate daily brain-training puzzle game! 🧠

Looking for a satisfying mental workout? Inspired by classic path-finding mechanics, One Line challenges you to solve intricate grid puzzles using just a single, continuous stroke. It is the perfect game to sharpen your mind during your morning commute, lunch break, or evening wind-down.

How to Play:
1. Start at the number one.
2. Draw a continuous line connecting the sequential numbers in order.
3. The Ultimate Challenge: You must fill every single square on the grid without crossing your own path!

Versions

Although APK downloads are available below to give you the choice, you should be aware that by installing that way you will not receive update notifications and it's a less secure way to download. We recommend that you install the F-Droid client and use that.

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  • Version 1.0.0 (13) suggested Added on Oct 25, 2026

    x86_64

    This version requires Android 7.0 or newer.

    It is built and signed by F-Droid, and guaranteed to correspond to this source tarball.

    Permissions
    • com.sidhant.oneline.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION

    Download APK 7.6 MiB PGP Signature | Build Log

  • Version 1.0.0 (12) - Added on Oct 25, 2026

    arm64-v8a

    This version requires Android 7.0 or newer.

    It is built and signed by F-Droid, and guaranteed to correspond to this source tarball.

    Permissions
    • com.sidhant.oneline.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION

    Download APK 7.4 MiB PGP Signature | Build Log

  • Version 1.0.0 (11) - Added on Oct 25, 2026

    armeabi-v7a

    This version requires Android 7.0 or newer.

    It is built and signed by F-Droid, and guaranteed to correspond to this source tarball.

    Permissions
    • com.sidhant.oneline.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION

    Download APK 6.9 MiB PGP Signature | Build Log