Idle zombies

The zombies must be killed at any price. Don't allow enemies to get through the wall and eat the brains of the remaining population. It was said that you should become king of the city and destroy all living dead in the arcade. The number of monsters increases with each new attack. To grow firepower, use a variety of items of outfit. Buy new guns, upgrade your constructions and look for bonuses. It is all for the sake of victory over the waves of rivals.