1 Line is a brain-training puzzle in which you draw 1 line, that will sharpen your wits.In this free-to-play puzzle game, you merely have to draw one line. It is deceptively simple, yet profoundly deep.Play through the extensive stages, sharpening your wits as you have fun.How to play:There is only one rule:“Connect all the points with just one line.”It doesn’t matter where you start.