Paper.io is an online multiplayer game. The game requires you to draw lines in order to cover an area. Your character will develop if you can incorporate the borders of your lines into your character. This will allow you to expand. While doing this, it is important to not enter the lines of other characters. Beware of your competitors, especially in cases where they have larger areas than you. When you encounter them you must get away. You can take on opponents who have smaller territories than yours.