The world has been turned upside down. There are no longer safe places to live, and the only way to survive is to take part in an underground survival war against zombies.

Your mission is to help the people of the last city to survive.

This is a war simulation game that allows you to play in the role of the commander of a shelter.

Build your own city, train the inhabitants, equip them with weapons and armor, and defend your shelter from hordes of zombies.

Use a variety of weapons to fight the zombies, and upgrade your items to make them stronger and more effective.

There are many different weapons you can use in the game, such as rifles, shotguns, machine guns, grenade launchers, and even grenade guns.

You can also upgrade your items to increase their strength, damage, and range.