15 Life Threatening Outbreaks In Video Games

Mass Effect – Genophage

The Krogan are a brutal, war-driven race of reptilian bad asses. So vicious in fact, that a disease was created to keep the race in check. It greatly decreases the chances of a baby Krogan surviving long enough to be born. Krogans quickly began dying faster than they were being born, leaving the race to be filled with legions of highly skilled warriors, but with few warriors to replace them.