How to play There is just one rule: "Connect all the points with just one line." It does not matter where you start. There are some overly fiendish tricky, complicated puzzles among the large number of stages. If you get stuck, make use of a hi
A brain training puzzle where you draw 1 line, which will sharpen your wits! In this free-to-play puzzle game, you have to draw one line. It is deceptively simple but profoundly deep. Play through the hundreds of stages, sharpening your wits as you have fun. Summary This is a brain-training puzzle game that activates your mind while 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?