Giant invaders ahead As a hero sniper, take up your weapons and protect your home! 1. The operation of the game is simple: slide aiming, let go shooting, easily shoot and kill the enemy. 2. Simple picture: the simple game picture blows away the summer heat and brings you a fresh feeling. 3. Adjust the shooting angle, master the shooting time, use high-energy sniper rifle to penetrate many obstacles and concentrate on the target.