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

This is a classic puzzle game for everyone! Because its rules are very simple, but it can also derive a lot of possibilities. If you can master the skills of this game, then you can definitely get endless fun! Compete with your friends to see who can pass the level first, your outstanding performance will definitely make them admire!

Your brain becomes more active the more you play.
During your commute, before you sleep… enjoy downtime with brain training.

The rules are extremely simple.
Just fill in all of the blocks using only one line.

Use hints for puzzles that are too hard to solve.

4 levels of difficulty.
A whopping 300+ puzzles.
Don’t get too cozy—the puzzles get harder as you go along.