You have to take control of as much territory as possible,But it isnt that easy.
Watch out there is also hostile party which not easily let you to conquer the land.
BE careful about your Tail if an enemy touches it, thats the end for you.
You can also loot your enemys land by moving in his or her territory quietly and one more thing also control your own territory if you not then they may also loot yours territory.

Control and Conquer the largest territory you can.

Lets see how much you possess the territory

Usually Pager i.o - Piper Fights iOS app used & searched for

vesper, snake i o, snake i.o, voodoo.io, paper i o, paper i.o, box.io, snake.i, voodoo snake, paper.io war, and other. So, download free Pager i.o - Piper Fights .ipa to run this nice iOS application on iPhone and iPad.