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. Solve challenging riddles, unlock new worlds, collect stars and release your inner genius! Solving 1 puzzle a day keeps the boredom away. Use your logic, please your mind, watch your memory, attention, concentration and responsiveness enhancing.