defly.io is a free cool math game based on Splix style. Manage a chopper and you need to expand your territory quickly. It's necessary for you to become the winner in defly.io online. Fly your way and shoot down rivals nearby. Besides, you are required to build walls to defend your area. When you occupy the target in defly.io hacked, you will unlock the next level and some upgrades for the plane and buildings. Do not forget to play superpowers when they are active!