Play 1 Line Puzzle Mania online game! Play 1 Line Puzzle Mania online for free! 1 Line Puzzle Mania is a free puzzle game for all ages. Use the mouse to draw a track to complete the drawing of the graphic. The game is easy to play, but hard to master. Believe that it is not difficult for you. There are more than 300 levels for you to play, join in to test how many levels you can pass. Good luck and have great fun!