Perfect Line - Puzzle Game is a free-to-play game available on iPhone that challenges players to draw lines around shapes until they are fully enclosed. The game has simple rules, but it is not easy to master. Players must hold their finger on the screen to draw the line, and they don't know how long the outline is until they finish drawing.

One of the game's main features is its suitability for all ages. It is an excellent option for both children and adults looking for a fun and engaging puzzle game. Additionally, the game includes cute images hidden in the shapes that players must find out. The game is worth replaying to get higher scores and get closer to perfection.