Fight for the area 51 survival mission as US police secret agent in alien shooter fps shooting games. You are a secret agent of Special Forces, its your survival mission save civilians from alien attack in the Area 51 Alien Shooter. Show off your sniper shooting skill in counter survival attack & use fps shooter guns & weapons in alien invasion games. Aliens came through spaceship for massive destruction in the city in alien games. Be brave enough to stop aliens for city survival mission with shooting attack as a secret spy of Special Forces in sniper fps assassin shooter games. As police gun shooter assassin utilize alien shooter gun strike to win the stealth mission battle against monster alien in shooting fps games. The futuristic city has been taken over by dangerous aliens in city survival alien shooter secret service spy games. This is the ultimate mad city rescue mission, operate as commando sniper shooter, utilize alien shooter and target shooting abilities for city survival mission. Be the sniper shooter secret spy agent against Area 51 alien invasion and save people’s life in survival shooting games & secret spy games.