The online game "Island Defense 2" invites all fans of shooting games and the Tower Defense genre to excel in defending the territory from UFOs. Alien invaders have invaded the space of the Earth and are encroaching on the mainland. To stop a squadron of flying saucers, a cannon was installed on a small island and instructed you to lead the defense. Start the game and manage to defend your island. Point the muzzle at the UFO and shoot. Be attentive, accurate and efficient, because it is not easy to hit a moving object. Collect grenades, lives and more. Then, to make it easier to defend, you can summon a friendly helicopter in the game.