Are they slow-moving, Chief?
Kill 500 enemy grunts
Our war has just begun
Kill 1000 enemies
Don't get all stingy with your bullets
Kill 5000 enemies
I'll teach ya how to shoot!
Kill any 100 enemy with the shotgun
You've got...the bite!
Kill 20 enemies as they revive
Got you, didn't I, you little sucker!
Kill a suicide grunt by hitting his grenade
Keep your damn filthy bones out of my mouth!
Kill 100 skeletons with explosives
You want me to salute that pile of walking pus? Salute my ass
Defeat the Final Boss
I have to get that gun!
Pick up a shotgun
I kick arse for the Lord!
Pick up the Preacher
If there is such a thing as hell on earth, that's it
Successfully complete Chapter 1 with 4 players
Into the fire
Successfully complete Chapter 2 with 4 players
Descent into hell
Successfully complete Chapter 3 with 4 players
This is going to be a bumpy ride
Successfully complete Chapter 4 with 4 players
Code Red
Successfully complete Chapter 5 with 4 players
This calls for divine intervention!
Successfully complete All Chapters 4 players on Elite Difficulty
Somebody's got to survive!
Get at least 10 for 1 explosive kill in 4 player co-op
I'm gonna eat your brains and gain your knowledge
Get at least 15 for 1 explosive kill in 4 player co-op
Come and get it! It's a running buffet!
Get at least 20 for 1 explosive kill in 4 player co-op
They just keep going...going.
Kick 50 enemies down in co-op
I'm running this monkey farm now
Kill 20 Snipers in co-op
There's too many of them!
Kill 2000 enemy grunts in co-op
Zombie Kill of the Week
Kill 20 Elites in co-op
Just in case we make it
Collect all Gold Bars
They must be destroyed on sight!
Find and shoot all the bottles of blood
Fire extinguisher
Defeat a Fire Demon
Snuff them out
Defeat 100 ignited zombies
Psychic silencer
Defeat 20 Summoners
Fire engine
Defeat 10 Fire Demons
Elite pickpocket
Loot an Elite's corpse
Nine tenths of the law
Become possessed
Answer the Devil's call
Pick up a phone
Look, he's a twitcher
Kill the trapped Elite
Right in the face
Defeat 500 enemies with headshots
Every bullet counts
Get a 5-for-1 kill with any sniper rifle
Have you come in contact with...the infected?
Own 2 Nazi Zombie Army games