• 1LINE - one-stroke puzzle game 1
  • 1LINE - one-stroke puzzle game 2

1LINE - one-stroke puzzle game

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 10 levels, and a total of 500 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!!

Category : Puzzle

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Reviews (29)

A. G. u. Sep 23, 2018     

Adpocalypse nightmare. Ads in every corner. Popup ads every few minutes. And then the really long unskippable ads. I'm only 40 puzzles in on the first "level" and I feel like a majority of my time was spent watching ads because the puzzles at the beginning only take about three seconds to beat. Just let me pay for the game.

jas. b. Oct 16, 2020     

Interesting logical game. Draw the shape with 1 line. It would be nice if we could view our achievements on the game instead of having to visit my account each time. I seem to be earning achievements in the wrong order. I have earned achievements for clearing 50 puzzles in a level before clearing 10 or 25 and I have achieved 25 before doing 10. I have an achievement for clearing all the basic levels before finishing level 1.

Ken. D. Dec 25, 2021     

Fun and relaxing. Some puzzles are challenging enough to make you think, some are easy. The only complaint I have is too many ads, so it would be nice to be able to do something about that.

Ash. R. Feb 19, 2021     

Great app if it wasn't for the stupid ads after every 3-4 puzzles. Turning off wifi doesn't stop them either. You still get ads. If you want to show ads, show them after every 10-15 puzzles. Give people enough time to actually enjoy the game. What would also be great is if the music was separate from the sound effects.

A. G. u. Feb 14, 2020     

This is the best mouse trap. Look no further. Such a nice break from the high-gloss, hyper-edit, aural miasma with which we are constantly bombarded. A great way to "snap out of it". I find this type of logic is right in my wheelhouse, so, all I do is "truly" immerse myself in this 98% AD FREE... THAT'S 98% AD FREE!! game. That, in an of itself piqued my interest. This game is my mini, desk size, 80s zen garden. My pocket sized campfire sight, for when noise and light pollution blend day w/night

A. G. u. Mar 10, 2019     

Please just make this a purchase-able app. The disgusting amounts of ads turn me away from an otherwise simple and fun game. Great concept, good, rewarding visuals and sounds. Absolutely terrible ad execution.

Ale. M. May 8, 2022     

Finished all levels. Great game for logic

A. G. u. Oct 29, 2018     

This game is challenging and the music makes me stay on the harder levels, until I eventually solve them. It's a fun app over all.

A. G. u. Apr 15, 2019     

game was ok, a little too easy, but when it tricks you with pop ups to watch ads. that's not ok. changes ok button to next round to watch an ad without cancelling.

Mar. M. Aug 23, 2020     

Keeps asking to log in with my account which is unnecessary. After finishing each level gets stuck, had to reopen the app. What a garbage.

A. G. u. Mar 5, 2019     

incredible, loved it. It would be great if you added real difficult levels. they are relatively easy, havent used any hints, got like 80

A. G. u. Jan 16, 2019     

Umm.... Yeah, the lines 1 has lots of ads, so, yeah, just turn off your wifi and that's it, and it's hard when you mess it up

A. G. u. Jan 15, 2019     

too many adds with 15 second timers. puzzles take 5 seconds to solve and almost a minute between puzzles. too much down time.

Bra. H. Dec 19, 2020     

Really simple concept for solving a continuous process, yet increasingly difficult to guide the drawn line(s) without adding any major discontinuity.

A. G. u. Mar 9, 2019     

Crashed on first run, freezing up and preventing me from doing anything with my phone. Only fix was to remove the battery to force power-down.

A. G. u. Feb 9, 2020     

Not really that difficult and not so much a puzzle, more as a drag your finger around into loops till it's solved.

A. G. u. Jan 3, 2019     

Horrible I saw the add on instagram and decided to try it out but when I got out the app doesn't appear I tried to look for it in my downloads it doesn't appear neither on my library I get adds a lot in or out of my apps DO NOT DOWNLOAD THIS APP

A. G. u. Dec 30, 2018     

I dont understand people, if you dont want ads just turn off your wifi. it's called using your brain. like your supposed to use it to beat this game.

A. G. u. Jul 11, 2019     

i think it's a good game to make your mind concentrate and curious about the ways a level can be solved...... play it once.....

A. G. u. Oct 19, 2018     

This was a really good game for me and I'm sure others would love it too. It's very addictive and fun and sometimes it's also easy. You don't even have that many ads. I'm sure you'll love this game. 🙂😊

A. G. u. Dec 5, 2018     

This is a great puzzle solving game. And I've finished all available levels so far can't wait for more.

A. G. u. Mar 16, 2019     

i love it because it's very nice to play you can use your brain to solve the problem or how to complete the level. its very nice try to install this game.

A. G. u. Apr 26, 2019     

PLEASE make more levels, this game is amazing and once you start you cant stop playing them. Love this game and please update.

A. G. u. Jun 30, 2019     

This is a good and occupying game. Eventually it gets repetitive, but that probably just means it's time to take a break.

A. G. u. Nov 3, 2018     

Need levels where it takes up the whole screen... enjoying different levels.

A. G. u. Nov 26, 2018     

Live it but irritated with the ads please work on it. One time I have deleted this game just because of ads ....

A. G. u. Apr 15, 2020     

not showing achievement when complete task, no have achievement btn. achievement not working after some time...

A. G. u. Dec 20, 2018     

this game is very good when i played in my friends iphone but when i tried to install this application it is not installing itself u will be thinking why did i give 3 stars to this game because it was good in my friends mobile pls fix the problem or i will edit and make the stars 1

A. G. u. Oct 28, 2018     

I think I can have fun as well as I can learn how to do a few puzzles.Thank you for preparing this app for children to play