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. Summary A brain-training puzzle game that activates your mind as you play. When you've got a spare moment, on your daily commute, or before going to bed, why not experience what it feels like to activate you mind? How to play There