a Zombie survival

Zombie city... have you ever seen this before. a Zombie survival is exactly Android! The whole metropolis of zombies! Infected with the deadly virus, the city is crawling with zombies. Your task - to survive in this pitch-black horror and kill all the zombie residents! Chop their heads off, shoot, let the whole charge of the gun right and left, just clear the city from the invasion of monsters and survive themselves! Pick abandoned ammunition and weapons. And the farther the level, the harder and more dangerous than your stay in such a place. Will not be frightened? Then go ahead! Arrange a bloody mess!