Call of Defense: Zombie War

Artillery guard war, synthetic hang up to fight monsters
Wave after wave of demons around.
Build your turret and constantly upgrade it. It will have a wonderful effect if you match it with a variety of turrets!
At the same time, don't forget to upgrade your skills and enhance your combat effectiveness.
Don't lose heart when you encounter setbacks in the Boss Battle. Accumulate enough crystal resources to strengthen your trenches.
Play Methods and Features
Popular playing methods, including tower defense, hang up and synthesis
No liver, no krypton, just your fragmented time
Skill matching and reasonable upgrading