I Line one stroke cool addicting math game. A brain-training puzzle in which you draw 1 line, that will sharpen your wits. Just try to connect all the dots without break the line. In this free play puzzle game, you have to draw one line. It is deceptively simple, yet profoundly deep logic game. Enjoy brain training mind game with amazing puzzle! Play through the extensive stages, sharpening your wits as you have fun.