How does zombie spawning/mutation strength actually work in Civilization VI?

How does zombie spawning/mutation strength actually work in Civilization VI? - Black Kettle Bell Lot

In the Civ VI New Frontier pass content you can play "Zombie defence mode", in which new Barbarian zombie units will spawn.

These zombies can spawn when a unit is killed by a zombie, when an undefended city is attacked by a zombie, and several turns after any unit has died there is a chance a zombie will spawn on the tile they died on.

But they seem to be spawning way faster than that in my current game. I also find that when a hostile zombie kills itself attacking a Friendly zombie (from the Twins Hero or Turn Undead), it spawns a fresh hostile zombie instantly, but if my Friendly zombie kills any unit, it does not spawn a zombie (Friendly or otherwise). I'm not sure if this is intended or a bug.

The zombies also have a "mutation strength" bonus to their Strength score, which I assume is to help them level up and stay a threat as the game progresses, but I am unsure how this is calculated, I couldn't find an explanation in the in-game Civilopedia. It's really running away in my current game, my 55 Strength units are facing +80 Mutation Strength zombies.

I understand that this is intended to be a difficult scenario, but it's weird that the zombies are acting in unexpected/unexplained ways.



Best Answer

The mutation strength increases everytime a zombie is killed.

On the Civilopedia page for the Zombie unit

Its melee Strength increases with each Zombie that has been eliminated, globally.




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How does zombie defense work in Civ 6?

Zombie Defense is the eighth game mode in Civilization VI, introduced in the Portugal Pack. It adds a survival minigame in the form of a zombie apocalypse: dead units will not stay dead forever, they will all resurrect as Zombies and attack civilizations.

Do Zombies count as barbarians?

Since Zombies count as Barbarians, a player with Boudica or an Apostle with Heathen Conversion can easily gain control of a large horde of Zombies. Districts and resources, or form a barrier around ranged units to attack them.

How do you control Zombies in Civ 6?

Civilization VI: Tips for Surviving Zombie Defense Mode
  • Pick The Right Civilization. ...
  • Focus On Walls, Traps, and Defenses. ...
  • Avoid Fighting Zombies When Possible. ...
  • Work Towards Naval and Aerial Units. ...
  • Use Zombies to Your Advantage. ...
  • Holy Sites and Campuses Are Your Friend. ...
  • Don't Kill Zombies With Other Zombies.


  • How do you play apocalypse mode in Civ 6?

    How to get Apocalypse Mode to Work
  • 1: Disabling all content then reenabling it.
  • 2: Disabling all content except Gathering Storm and the New Civ Pack.
  • 3: Running the game in Directx 11 mode (I usually use DX12)
  • 4: Restarting my PC.
  • 5: Verifying Game cache.
  • 6: Uninstalling and Reinstalling the New Civ Pack.




  • Zombies spawn zombies. Vampires get stronger. Easy as pie. Civ 6 deity Scythia.




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