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Paper Loop

Grow your turf and slice rival sneks' tails — an offline territory game.
You are a snek. 🐍 Slip out of your home turf, trace a path across the grid, and close it back into your own territory to claim everything you enclosed — the more ground you take, the bigger you get. But the trail you leave behind is your weak spot: run over a rival snek's trail to knock them out, and never let anyone touch yours.

Movement is clean and grid-based — you step square by square in four directions, and every turn folds the trail like a ribbon of paper. Seal a rival's trail inside one of your captures and they are eliminated on the spot. Corner a bot, close the loop, and watch the whole region flip to your colour.

Your opponents are neural bots: a small reinforcement-learning network trained by self-play, running entirely on your device — no network needed. There is also a hand-written scripted bot for a lighter, cleaner challenge. Switch between a light "paper" theme and a dark one from the start screen, and your own colour is drawn fresh every game.

Features:

* Classic grid-based territory capture — step, draw, and close the loop to claim ground.
* On-device neural self-play bots (no network) plus a scripted fallback.
* A folded-ribbon trail, smooth "virus" death dissolves, and a live minimap.
* Light and dark themes, and a random player colour each game.
* A local high score. No accounts, no ads, no tracking, no network access.
* Tiny download and fully playable offline.

Paper Loop is built with libGDX and is free and open-source software, licensed under the GNU General Public License v3.0.
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  • app screenshot
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  • app screenshot
  • app screenshot
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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 (14) suggested Added on Jul 04, 2026

    x86_64

    This version requires Android 10 or newer.

    It is built and signed by the original developer, and guaranteed to correspond to this source tarball.

    Permissions
    • control vibration
      Allows the app to control the vibrator.
    • paper.loop.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION

    Download APK 32 MiB PGP Signature | Build Log

  • Version 1.0.0 (13) - Added on Jul 04, 2026

    x86

    This version requires Android 10 or newer.

    It is built and signed by the original developer, and guaranteed to correspond to this source tarball.

    Permissions
    • control vibration
      Allows the app to control the vibrator.
    • paper.loop.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION

    Download APK 32 MiB PGP Signature | Build Log

  • Version 1.0.0 (12) - Added on Jul 04, 2026

    arm64-v8a

    This version requires Android 10 or newer.

    It is built and signed by the original developer, and guaranteed to correspond to this source tarball.

    Permissions
    • control vibration
      Allows the app to control the vibrator.
    • paper.loop.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION

    Download APK 29 MiB PGP Signature | Build Log

  • Version 1.0.0 (11) - Added on Jul 04, 2026

    armeabi-v7a

    This version requires Android 10 or newer.

    It is built and signed by the original developer, and guaranteed to correspond to this source tarball.

    Permissions
    • control vibration
      Allows the app to control the vibrator.
    • paper.loop.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION

    Download APK 24 MiB PGP Signature | Build Log

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