1LINE one-stroke puzzle

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A brain-training puzzle in which you draw 1 line, that will sharpen your wits.
In this free-to-play puzzle game, you merely have to draw one line. It is deceptively simple, yet profoundly deep.
Play through the extensive stages, sharpening your wits as you have fun.


How to play:
There is only one rule:
“Connect all the points with just one line.”
It doesn’t matter where you start.


  • 6 packages, 300 levels in total
  • Easy to create more packages and levels (Level Creator)
  • Share game to social network (Facebook, Twitter, Email ..).
  • Code is clean and professional
  • Made with Unity 2019.4.21
  • Support multiple screen-size
  • Admob is integrated (banner, interstitial, rewarded video)
  • Earn free hints with video rewarded ads

Version logs

Version 1.15: Latest version

Version 1.14: Fix bugs

Version 1.12

  • Fix some minor bugs.

Version 1.11

  • Optimize for tall devices such as iPhoneX, Samsung S8,9, Note ..

Version 1.8

  • How to add more levels in a package.

Version 1.7

  • Settings: Number of levels required to unlock next world. (in LevelData.cs file)

Version 1.6

  • Fix bug in level Virgo-46

Version 1.5

  • Fix bug in the last level each world.

Version 1.4

  • Add restore button (important for publishing to iOS)

Version 1.3

  • Fix bugs in some levels.
  • Improve performance.

Version 1.2

  • Option to disable in-app purchase.
  • Fix some minor bugs.


  • Unity 2019.4.21 or above.
  • The template works best with the version used by our developers (Unity 2019.4.21). So if there are any issues with your newer version, please let us know. 

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14 days Money back guarantee policy
Development Hours
Category Puzzle
Platforms iOS 8.0.x, iOS 8.1.x, iOS 9.0.x, iOS 9.1.x, iOS 9.2.x, iOS 9.3, iOS 10, iOS 11, iOS 12, iOS 13, Android 4.1.x, Android 4.2.x, Android 4.3.x, Android 4.4, Android 5.0, Android 6.0, Android 7.0, Android 8.0, Android 9.0, Android 10.0, Unity 2019, Unity 2020, Unity 2021
Frameworks Unity
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