Campaign: 50 kills with light machine guns

Campaign: 50 kills with shotguns

Campaign: finish Heavy Metal

Campaign: finish Snowblind

Campaign: finish Crack the Sky

Campaign: find 15 collectable weapons

Campaign: 10 melee kills

Campaign: destroy 1 satellite uplink

Campaign: finish Cold War

Win every trophy.

Get every single bonus at least once (Multiplayer Only).

Take the lead 10 seconds before the end of a session and go on to win (Multiplayer Only).

In Shangri-La, dispose of a Napalm zombie without it harming any players.