One Line is a free puzzle game you can play right here in your browser. The core of it is puzzle and drawing & art. There is no sign-up, no launcher and no wait — press play and you are in.
About One Line
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 One Line
Getting started takes about ten seconds. Load the game above and it fills the player in portrait. On a phone you can play one-handed; on desktop the frame stays centred so nothing is cropped. Restarting is instant, so there is no cost to experimenting.
Controls
| Input | Action |
|---|---|
| Mouse | Select and drag pieces |
| Left click | Confirm a move |
On mobile: Tap and swipe directly on the screen. The game is built for portrait, so you can play one-handed without rotating your phone.
Why it is worth playing
What keeps One Line worth returning to is how quickly a single round resolves. It respects your time — you are never more than a click from another attempt.
At a glance
- Free to play with no account required
- Runs in the browser — nothing to download or install
- Portrait layout, comfortable one-handed on mobile
- Keyboard and mouse on desktop, full touch support on mobile.
- Puzzle gameplay — Slow down and solve it
- Drawing & Art gameplay — Make something on a blank canvas
- Added to our catalogue from a 2022 release
Frequently asked questions
Is One Line free to play?
Yes. One Line is completely free and runs in your browser. There is no purchase, no subscription and no account needed — open the page and play.
Do I need to download or install anything?
No. One Line is an HTML5 game that runs inside the page itself. There is nothing to install, no plugin and no launcher — it loads like any other web page.
Can I play One Line on my phone?
Yes. Tap and swipe directly on the screen. The game is built for portrait, so you can play one-handed without rotating your phone.
What are the controls for One Line?
Keyboard and mouse on desktop, full touch support on mobile. Mouse — select and drag pieces; Left click — confirm a move.
Can I play One Line fullscreen?
Yes. Use the fullscreen button in the top-right of the game player to expand it to the whole screen, and press Escape to come back out.
What kind of game is One Line?
One Line is a puzzle game built around puzzle and drawing & art. If that is the sort of thing you enjoy, the related games further down the page are picked using the same tags.
