Mission dead city

One day, waking up in the morning to the deafening sound of sirens, you find that the city was deserted, and there was something terrible.You have to survive until help arrives. Survive and destroy 11 waves of enemies using a variety of weapons and fortifications. you have to choose one of five unique classes, each has its advantages. Organize and protect your base, placing traps, mines and turrets; -------The game has 2 types of control -------