- Breather
Pick up health then survive 25 seconds in Free Play without damage or firing a single shot
- ColdBlooded
Survive for three attack waves in Barricade Mode without moving
- Shock Expert
In an On-line coop game, play as the Scout and detonate 5 flash bangs in a single game
- Resurrector
In an On-line Coop game, perform three revivals in a single game
- Sustained
In an On-line Coop game, revive another player and make sure they do not receive any damage for 15 seconds afterwards
- Stronghold
Kill 100 zombies in Survival Mode without moving from start of game
- Winner
Complete all the story missions
- Victor
Kill all zombie boss types
- Free Man
Finish off a boss zombie with the crowbar
- Guardian
Complete the Point Defense mission
- Untouchable
Complete any mission without taking any zombie damage
- Demolitions Expert
Get Shrapnel and Remote Detonator then use 10 grenades in one game
- Collector
Collect at least 20 perks in a single game
- Ladies First
Kill 5 female zombies in one streak without killing a single male
- Stopping Power
Kill 150 running zombies in a single game
- LockDown
Reach wave 2 in warehouse barricade without any zombie breaching the fence perimeter
- Headhunters
In an On-line Coop game, kill 20 bosses with your team in a single game
- Fenced
In an On-line Coop game, hold out until wave 21 in Factory Barricade
- Close Encounter
In an On-line Coop game, kill a boss with a melee weapon
- Organizer
Host and play an On-line Coop game
- Back To Life
In an On-line Coop game, perform your first revival
- Machinist
In an On-line Coop game, upgrade a sentry gun to a weapon station
- Survivor
Survive for more than 2 minutes in survival mode
- Blockade
Survive for 15 attack waves in Barricade Mode
- Molotov Grill
Pick only four perks: Fire Starter, Friendly Fire, Remote Detonator and Molotov, and detonate 12 molotov grenades
- Explosive Irony
Deal the killing blow to a Grenade Zombie with a grenade
- Held The Line
Reach Wave 8 in Bridge Barricade mode
- Perforator
Get the minigun and kill 50 zombies with it inside 9 seconds
- Fortress
Survive for 10 attack waves in Barricade Mode
- Chain Reaction
Pick up Friendly Fire and use a Zombie Bomber's explosion to kill two more nearby bombers
- Arms Dealer
Get at least one kill with ten non-melee weapon in one game
- Execution
Kill at least 250 zombies using sentry guns
- Gunbarrel
Kill the minigun zombie boss
- Horde
Kill 50 zombies within a ten second period
- SpeedKiller
Kill any boss within 30 seconds of the boss appearing
- TeleFrag
Perform 20 remote grenade detonations
- Payback
Take 2500 zombies down with you using the Vengeance perk
- Thinning The Horde
Kill 1,000,000 zombies
- Warlord
Complete all missions at 5 bronze-star difficulty
- Merc
Complete all missions on 5 silver-star level
- Top Dog
Complete all missions on 5 gold-star level
- Maximum
From the start of a game, kill at least one of each zombie boss type while not dropping your health below 100%
- Killstreak Three
Reach a stats KillStreak of 3000 zombies
- Superior
Kill 500,000 zombies
- Extermination
Kill 750,000 zombies
- Team Red
Reach Wave 50 in an On-Line Barricade game
- Extinguisher
Pick Firestarter and Spark and kill 1000 burning zombies in one game with the Steam Hammer
- Firefighter
Kill 250 burning zombies with an axe in one game
- Big Harvest
Kill 500 Big Boy zombies on the The Field barricade map in one game
- Immolation
On The Field barricade map use the flamethrower to reach a 1000 killstreak without taking any damage
- Vaporized
Kill 7 bosses with the Steam Hammer in one game without taking any damage
- Messy
Kill 1000 zombies with a Jack Hammer with only the Messy and the Powerup Hook perks and without taking any damage
- Boss Obliterator
Kill 250 bosses in one or more On-line coop games
- Double Duty
Achievement description available at game update
- Necromancer
Achievement description available at game update
- Hat-trick
Achievement description available at game update
- Dyn-o-mite!
Achievement description available at game update
- Bad Move
Achievement description available at game update
- Afraid of the Dark
Achievement description available at game update
- Popcorn Party
Achievement description available at game update
- Slow Death
Updating
- Go-Getter
Updating
- Ignition
Updating