1, Strange space, restless balls, extending lines, rolling saws ... ... this game will be the most interesting ball and line combination you've ever seen. 2, Creating lines, trapping bouncing balls under the limited steps. Keep vigilant, avoiding barriers, and watch out for them to destroy the lines. Let balls to hit the tip of the line can make the game easier to complete. 3, We have 28 well-designed stages, unprecedented intelce challenge! Smart people will not complain about the difficulty, they will only tell others after passing: Well, simple geometry ! can you do it?