A simple casual game to accompany the good times, click the screen to drag the starting point with your finger, and you can't stagger, turn back, or interrupt in the middle, until all the squares in the map are completed, and you can clear the level after all the squares are completed. Simple line drawing operation brings unlimited brain thinking and game fun, come and try it!

Game Features:
1. Simple and easy to use, you can reap the fun of the game by moving your fingers.
2. Flat thinking, radiating thinking, and moving forward gradually.
3. The challenge is extremely high, the difficulty of the level increases gradually, and the level is waiting for you to challenge.
4. Simple and fresh game style, various functions are clear at a glance.
5.Single Line Drawing invites you to the game fun to the end.