Crazy Royale vs Zombie City: City Defence Utilisation & Stats

Zombies are wandering about the city attempting the life of humans. It's time to hop on the chopper and shoot rocket bombs to take them down! The world's largest pharmaceutical company has been developing a virus that can cure all diseases. However, when the experiment failed, the virus started spreading out inside the lab. As a mutant virus appeared, it has become a scary virus that turns a living man into a zombie. The virus rapidly spread out throughout the world and a majority of humans turned into zombies. Zombies lust for humans' blood, resulting in attacking humans and turning them into other zombies. Zombies have taken the whole world. It's time to fight for survival in the midst of a catastrophic zombie virus. You need to fly the chopper and shoot at zombies attacking humans. You can't kill all zombies in one shot. Try to shoot at oil tanks and oil carriers for a larger explosion and defeat as many zombies as possible at once. Find the vaccine and save the world. Zombie City is an easy-to-play game with simple control. Relieve your stress by shooting zombies. Defeat them all and save the world now.