IQ Puzzle - 1 Line is a simple way to get some brain training exercise everyday. 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. In this tricky mind game you will find a lot of good brain puzzle packs and a daily challenge. Play through the extensive stages, sharpening your wits as you have fun. Just a couple of minutes a day with this mind game will help you activate your brain. Enjoy this brain training game at home or at work, at a park or in a bus, in other words everywhere! How to play : There is only one rule: "Connect all the points with just one line." It doesn't matter where you start. There are some fiendishly tricky, complicated puzzles among the large number of stages. When you get stuck, make use of a hint.