1LINE one-stroke puzzle game official icon

1LINE one-stroke puzzle game

By GAMINCAT, INC. · iPhone & iPad

4.7 (30.3K)17+FreeAvailable now

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. Summary: A brain-training puzzle game that activates your mind as you play. When yo

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Inside the game.

Official screenshots supplied through Apple. Artwork belongs to the respective developer. View on theApp Store ↗

About 1LINE one-stroke puzzle game

Developer description, as provided in the original store listing.

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.

Summary:
A brain-training puzzle game that activates your mind as you play.
When you've got a spare moment, on your daily commute, or before going to bed, why not experience what it feels like to activate you mind?

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

There are some fiendishly tricky, complicated puzzles among the large number of stages.
When you get stuck, make use of a hint.

Stages:
There are 15 levels, and a total of 850 stages.
At first, it starts off with simple shapes, but each time your level increases, the number of lines increases, and it gets more and more complicated.
You might think it's too easy early on.
However, clearing the simple stages is also important.
The hints to clearing the later, more complicated stages can all be found scattered through the simple stages.

Some unique types of line, such as "one way lines" and "overlapping lines", can also be found throughout the stages.
These special lines will encourage your imagination.

Use this chance to activate your mind as you play, by trying to solve this free-to-play brain-training puzzle game.
You're sure to get hooked!!

Good to know.

Developer
GAMINCAT, INC.
Release date
May 30, 2017
Latest version
3.6.0
Requires
iOS 12.0 or later
Price snapshot
Free USD
Source checked
Oct 23, 2026

Apple App Store lookup ↗ · Store ratings, prices, and availability can change. Check the App Store for your region.

A few quick answers.

Is 1LINE one-stroke puzzle game available on iPhone?

1LINE one-stroke puzzle game is listed on the US App Store. Availability varies by region and compatible device.

Is 1LINE one-stroke puzzle game free?

The recorded download price is free. In-app purchases, subscriptions, or additional content may cost extra. Source checked Oct 23, 2026.

How is the game’s social activity measured?

Good Game Daily compares available samples of recent game mentions with the preceding 24-hour window. Coverage and source failures are disclosed. Read the methodology.

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