Yes, One Line is completely free to play online.

How to play One Line?

You can play directly in your browser using keyboard, mouse, or touch controls.

Can I play One Line on mobile?

Yes, it works on phones and tablets.

One Line | play

One Line

One Line is a unique and creatively engaging game that challenges players to draw lines freely to protect characters from a variety of hazards.In One Line, your primary goal is to draw lines that will shield the characters from various dangers that include rain, falling rocks, and incoming bombs. The lines you draw will transform into 3D structures, providing a protective barrier for the characters.