"Mayday Mayday. There is a huge wave of zombies invading the base. Need immediate reinforcement to protect the city"

The world has been changed and people are turned into hungry zombies. The Zombie Flood around the countries and now they are coming for your military base.
You need to stand up and protect your city from billions of scary zombies for 100 days until the reinforcement comes to support.
Become the zombie killers and wipe out all the zombies standing in your way.
Shoot them up, and upgrade your weapon and tower. Enhance your base military durability, and unlock new towers with bullets to eliminate more zombies. Let them know who they are messing with.

Feature
- Endless challenges and zombie
- Upgrade military base feature
- Building all kinds of towers to eliminate zombies and enhance them with different power

What are you waiting for? Pack up your stuff and let's kill.