One Line is an online HTML5 game presented by yiv.com, it's playable in browsers such as safari and chrome. You can play the game on smartphone and tablet (iPhone, iPad, Samsung, Android devices and Windows Phone). One line will help you activate and train the brain. It's easy to play, just tap to draw the shape as the target show. The position of the starting point is not important, but it should not have two same lines. You can try many times until you find the best connect of each line. Sounds funny, right? 88.6% of 706 players like the mobile game.