Copter.io, also known as Copter Royale, is an epic .io game in which you fly around in a helicopter and battle other players. It's made by the same developer as Yohoho, an equally awesome pirate battle .io game. Have fun! Destroy enemy helicopters, drones, and tanks to level up. Upgrade your skills to become stronger than your enemies. Evolve your helicopter with snipers, multiple cannons, fast-…