- Right-Hand Man
Get ghosts to kill 25 zombies in one streak while killing none yourself
- Chain Reaction
Pick up Friendly Fire and use a Zombie Bomber's explosion to kill two more nearby bombers
- Back2Back
In an On-line Coop game, stay within reaching distance of another player while not taking damage for 30 seconds
- Assaulted
Kill 7 machine gun bosses in one barricade game within the first 30 waves
- All 4 Deadly
Get Fire Team, Mirror Image and Wild Bunch, then get a ghost pickup
- Collector
Collect at least 20 perks in a single game
- Moths to the Flame
Set fire to 50 zombies that are being attracted by a Rammer in a single game
- Shock Expert
In an On-line coop game, play as the Scout and detonate 5 flash bangs in a single game
- Stopping Power
Kill 150 running zombies in a single game
- Well Supplied
Explode 3 propane gas tanks within a 10-second period
- Victor
Kill all zombie boss types
- Rhylos' 50
Collect a total of 50 achievements
- No Guns
Kill 500 zombies with a melee weapon
- Fire Chief
Burn 800 zombies with the Flame Thrower
- Runner
Run a marathon length 26 miles/42 kms
- Tough Guy
Kill 1000 zombies in any single game without ever picking a perk
- Gut Buster
Decapitate 100 Big Boy zombies in a single game
- Death Cheat
Survive 5 minutes with health staying below 25%
- Not Addicted
Pick up 10 health power-ups in one game when your health is at 100%
- Unseen
While cloaked, kill 250 zombies in one game
- LockDown
Reach wave 2 in warehouse barricade without any zombie breaching the fence perimeter
- DOA
Engage DOA mode in single player Free Play, then kill 50 zombies during a single DOA ghost powerup
- Flasher
Kill 100 zombies stunned by flashbangs in one game
- One Shot One Kill
Kill 250 zombies with the rage powerup in one game
- Close Encounter
In an On-line Coop game, kill a boss with a melee weapon
- Killstreak One
Reach a stats KillStreak of 1000 zombies
- Butchered
Kill 5 butcher bosses in one barricade game within the first 25 waves
- Keeper
Reach wave 15 on The Farm map without any damage to the scarecrow
- Dont Disturb
Kill 3 Grenade Bosses in one game on Cemetery Free Play without using any grenades during the game
- Endure
Kill 1000 zombies in a single Survival game
- American Hero
Kill over 5000 zombies in one game
- Blockade
Survive for 15 attack waves in Barricade Mode
- Boogeyman
Survive for 15 waves on The Farm barricade map
- Itemizer
Pick up 250 powerups or items in one game
- Perforator
Get the minigun and kill 50 zombies with it inside 9 seconds
- Bouncer
Survive 5 waves in Single Player Warehouse Barricade without the lower sentries firing a single shot
- Demolitions Expert
Get Shrapnel and Remote Detonator then use 10 grenades in one game
- TeleFrag
Perform 20 remote grenade detonations
- Bullet Rain
Kill two Minigun zombie bosses within two minutes of each other
- Targeted
Kill 10 minigun bosses in one game
- Organizer
Host and play an On-line Coop game
- Back To Life
In an On-line Coop game, perform your first revival
- Stronghold
Kill 100 zombies in Survival Mode without moving from start of game
- ColdBlooded
Survive for three attack waves in Barricade Mode without moving
- Magnet
Collect 10 zombie-attracting Rammers in one game
- Machinist
In an On-line Coop game, upgrade a sentry gun to a weapon station
- Ladies First
Kill 5 female zombies in one streak without killing a single male
- Butcher
Get 10 zombies sucked into one Meat Grinder
- Free Man
Finish off a boss zombie with the crowbar
- Cover
Kill 25 zombies while remaining inside one Turbine area
- Survivor
Survive for more than 2 minutes in survival mode
- 2x9MM
In one game kill 2 bosses using the Dual Glocks
- Molotov Grill
Pick only four perks: Fire Starter, Friendly Fire, Remote Detonator and Molotov, and detonate 12 molotov grenades
- Efficiency
Kill at least 10 zombies with one grenade
- Execution
Kill at least 250 zombies using sentry guns
- Breather
Pick up health then survive 25 seconds in Free Play without damage or firing a single shot
- Fortress
Survive for 10 attack waves in Barricade Mode
- Gunbarrel
Kill the minigun zombie boss
- Horde
Kill 50 zombies within a ten second period
- Arms Dealer
Get at least one kill with ten non-melee weapon in one game
- SpeedKiller
Kill any boss within 30 seconds of the boss appearing
- Explosive Irony
Deal the killing blow to a Grenade Zombie with a grenade
- Untouchable
Complete any mission without taking any zombie damage