Heal 30 teammates with health lower than 20% with Medkits or Stim Pistol

Build 100 defences

Kill 20 lying zombies before they get up

Kill 10 zombies with gas cylinder explosion

Open and buy final version of any weapon

Kill 10,000 zombies

Finish episode "Jerusalem" on any difficulty

Finish episode "New York" on any difficulty

Earn 100,000 score as an Assault, Medic, Support and Recon

In Multiplayer, roadkill 5 enemies

In Multiplayer, capture 10 flags in Frontlines

Play a round of Conquest on each of the launch maps

Earn 150,000 score as a Player