FlyOrDie.io - the growth story of a black fly. If you master flying, you will get rid of other creatures that want to eat you, namely players. You should determine the flight directions well. You have to fly constantly and avoid your rivals with sharp turns. The moment you fall, your opponents will attack and want to kill you. When you see a bigger predator flying through the air in FlyOrDie.io Unblocked, you have to escape immediately. Escape by flying very high or vice versa. Going back can also be a tactic in this io game. Fly or die in the game FlyOrDie.io. It's that simple. Achievements.