- Chain Reaction
Pick up Friendly Fire and use a Zombie Bomber's explosion to kill two more nearby bombers
- Perforator
Get the minigun and kill 50 zombies with it inside 9 seconds
- Held The Line
Reach Wave 8 in Bridge Barricade mode
- Efficiency
Kill at least 10 zombies with one grenade
- Gunbarrel
Kill the minigun zombie boss
- Arms Dealer
Get at least one kill with ten non-melee weapon in one game
- Bouncer
Survive 5 waves in Single Player Warehouse Barricade without the lower sentries firing a single shot
- SpeedKiller
Kill any boss within 30 seconds of the boss appearing
- ColdBlooded
Survive for three attack waves in Barricade Mode without moving
- Stronghold
Kill 100 zombies in Survival Mode without moving from start of game
- Horde
Kill 50 zombies within a ten second period
- Survivor
Survive for more than 2 minutes in survival mode
- Ladies First
Kill 5 female zombies in one streak without killing a single male
- Moths to the Flame
Set fire to 50 zombies that are being attracted by a Rammer in a single game
- Absolute
Kill 250000 zombies
- Gut Buster
Decapitate 100 Big Boy zombies in a single game
- Too Close For Comfort
Kill 25 Bombers with a Steam Hammer in one game while staying outside their explosion range
- Itemizer
Pick up 250 powerups or items in one game
- Thinning The Horde
Kill 1,000,000 zombies
- Not Addicted
Pick up 10 health power-ups in one game when your health is at 100%
- Back2Back
In an On-line Coop game, stay within reaching distance of another player while not taking damage for 30 seconds
- Ton Of Bullets
Fire 10000 bullets in Free Play, Barricade or Survival mode while not receiving any zombie damage
- Warlord
Complete all missions at 5 bronze-star difficulty
- Flasher
Kill 100 zombies stunned by flashbangs in one game
- Pyro
Set 250 zombies on fire with the incendary rounds in a single game
- One Shot One Kill
Kill 250 zombies with the rage powerup in one game
- Merc
Complete all missions on 5 silver-star level
- Top Dog
Complete all missions on 5 gold-star level
- Time Traveler
Accumulate 90 seconds of Bullet Time in one single player game
- Resurgency Expert
In an On-line coop game, play as the Medic and revive team members 15 times in a single game
- Maximum
From the start of a game, kill at least one of each zombie boss type while not dropping your health below 100%
- Boogeymonster
Survive for 30 waves on The Farm barricade map
- Killstreak Two
Reach a stats KillStreak of 2000 zombies
- Killstreak Three
Reach a stats KillStreak of 3000 zombies
- Superior
Kill 500,000 zombies
- Extermination
Kill 750,000 zombies
- Hidden
Survive for the first 5 minutes in Survival mode without taking any damage
- Endure
Kill 1000 zombies in a single Survival game
- Immortal
Survive for 10 minutes in a single Survival game
- Red 101
Collect 100 Nation Red achievements
- Collateral
In a Free Play or Barricade game, choose the Friendly Fire perk and use the M107 to kill 50 suicide bombers
- Thirty Minutes In Jail
Survive for 30 minutes on the Prison barricade map
- Bucket Of Nails
Without receiving any damage from the start of a game, pick up a nailgun and fire 5000 nails
- Atomic
In one game, kill 5000 zombies using any type of explosion
- Keeper
Reach wave 15 on The Farm map without any damage to the scarecrow
- Defender
Reach wave 41 on Asylum, staying above the top barricade until wave 21 and above the middle barricade until wave 31
- Rest In Peace
Kill 6 Grenade Bosses in one game on Cemetery Free Play without using any grenades during the 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
- 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