Completed the mission "Plan B"

Completed the mission "Best Minion Ever"

Revived someone from "Fight for Your Life!" that is on your friends list

Complete all U.S.S. missions on Veteran.

Kill 13 zombified teammates.

Purchase all abilities for all character classes.

31 Parasites killed (lifetime)

5 Tyrants Slain

Complete Root of All Evil

Purchase 5 weapons.

Complete an Echo Six Expansion mission with no human player incapacitated from death or infection.

Beat an Echo Six Expansion Pack mission with the 3 female characters in your party.