Outbreak: Epidemic

Overwhelming Infection

Fail to survive.

Take Down the Horde

Complete Onslaught Mode on any difficulty.

Easy Peasy

Clear a Campaign Scenario on Easy Difficulty or higher.

A Walk in the Park

Clear a Campaign Scenario on Normal Difficulty or higher.

Brutal Biohazard

Clear a Campaign Scenario on Biohazard Difficulty or higher.

The Nightmare Rages

Clear a Campaign Scenario on Nightmare Difficulty or higher.

Aim for the Head!

Defeat a Zombie.

They're Hunting You...

Defeat a Reptile.