Apps in this category may contain mild or occasional cartoon, fantasy or real-life violence, as well as occasional or mild adult, sexually suggestive or horrifying content and may not be suitable for children under 9 years of age.

12+

Apps in this category may contain occasional mild indecent language, frequent or intense cartoon or real-life violence, minor or occasional adult or sexually suggestive material, and simulated gambling, and may be for children under 12 years of age.

17+

You must be at least 17 years old to access this App.

Apps in this category may contain frequent and intense offensive language; Frequent and intense cartoon, fantasy or realistic violence: frequent and intense adult, scary and sexually suggestive subjects: as well as sexual content, nudity, tobacco, alcohol and drugs, may not be suitable for children under 17 years of age.

OneLine - One-Stroke Puzzle Screenshots

iPad

iPhone

About OneLine - One-Stroke Puzzle

A brain training puzzle where you draw 1 line, which will sharpen your wits!
In this free-to-play puzzle game, you have to draw one line. It is deceptively simple but profoundly deep.
Play through the hundreds of stages, sharpening your wits as you have fun.

Summary
This is a brain-training puzzle game that activates your mind while 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 just one rule:
"Connect all the points with just one line."
It does not matter where you start.

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

Stages
There are over a total of 300 stages.
It starts off with simple shapes, but each time your level increases, the number of lines increases, and it gets 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 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 now!
You're sure to get hooked!