Knock Knock - One Line Drawing

A brain-training puzzle in which you draw 1 line, that will warm your heart.

A simple but addictive one-line puzzle game that’s completely free to play.

Every Chapter is a unique, hand-crafted world to explore.

During your commute, before you sleep… enjoy downtime with brain training.

▶ How to play

There is only one rule:

""Connect all the points with just one line.""

It doesn't matter where you start.

When you get stuck, make use of a hint.

▶ FEATURES

Interactive storytelling as well as puzzles.

Get cute animals and special gifts.

Beautiful classical music.

Save and Share a wonderful illustration.

Interactive animals.

There are 3 Chapters more, and a total of 300 stages. We will continue to update.