Human civilization collapses in an explosion of zombie virus infection. Survivors began to take the supplies they needed for themselves. A pure human race for survival, without morals or justice, began. The war became strategic and escalated. Horrifyingly, the humans finally developed a way to modify and strengthen the undead, turning them into their own army. Humans were forced to fortify their settlements and fight the oncoming zombie hordes until they were reduced to mute lumps of flesh. Kill before you are killed. Take them before they take you. It was a battle with no future. It was the beginning of the end. Build a survivor village. If you don't want to sleep forever, you'll need a safe place to live. Don't worry. There's only so much time in this world. If you don't want to die, arm yourself. Use what technology is left in humanity to develop powerful weapons. Keep hitting them until they turn into disgusting burgers. Yum-yum. Manufacture the undead and turn them into weapons. The only weapon in this world that can beat a gun is a zombie. Build a research plant to develop and use enhancements and new species. You can talk about morality after you're dead. Gather the survivors. Civilians without guns may seem useless, but they can be used for important purposes. Join a stronger guild. It's hard to survive alone in a world where gunfire rings out 24 hours a day. Joining an alliance will only slightly increase your chances. Develop a strategy. Each individual zombie has its own characteristics. Understand the characteristics of each and loot them strategically. Don't worry, they won't bite you. Free to play online RTS Advanced strategy and full-fledged defensive strategy game The Infection System causes pandemics. There are 14 types of zombies that can be developed and enhanced in the game.