In Psy Line, lines are moving with different speeds in 3d world. Each line is on the definite distance from you. Define which lines are moving faster, which ones are moving at average speed, and which ones are slower. The three lines are lying in circle, triangle and square, you have to find out that. It is a little bit difficult to recognize the speed of them in the three dimensional scene. In the later episodes, they will not go in a straight line, but a curl route. Examine the lines carefully, before you give the conclusion. Enjoy this puzzle game on www.flash-game.net. Good luck!