Don't Cross The Line Game at Cool Math Games: Help! Someone has crossed all of the lines! Help untangle all of the lines as quickly as possible. Colored Lines. Next colors: Score: 0. Click a ball, then click an empty square to move. You can only move along unblocked paths. Build rows of 5 or more balls of. LINE is a new communication app which allows you to make FREE voice calls and send FREE messages whenever and wherever you are, 24 hours a day!.