The goal of Lines is to score as many points as possible by lining up the same colored balls on a horizontal, vertical or diagonal line. The minimum number of balls is five. The more balls of the same color in lines, the more points you get.

First tap to choose the ball to be moved, then an empty destination square. If the destination square is occupied by another ball, that ball is now selected to be moved. After you move a ball, three more appear.

Main features of Lines:

- Auto saved recent game to play later.
- It's possible to undo the last move.