- Wipeout
In Free Play or Survival, kill 100 zombies within the first 30 seconds of the game
- Flatliner
Bring yourself back to full health after nearly dying with Last Breath
- DOA
Engage DOA mode in single player Free Play, then kill 50 zombies during a single DOA ghost powerup
- Endure
Kill 1000 zombies in a single Survival game
- Survivor
Survive for more than 2 minutes in survival mode
- Planting Seeds
Have 20 simultaneously active mines on The Field barricade map
- Defused
Kill 3 grenade bosses in one barricade game within the first 20 waves
- Moths to the Flame
Set fire to 50 zombies that are being attracted by a Rammer in a single game
- Bad Move
Achievement description available at game update
- Fire Chief
Burn 800 zombies with the Flame Thrower
- Chain Reaction
Pick up Friendly Fire and use a Zombie Bomber's explosion to kill two more nearby bombers
- TeleFrag
Perform 20 remote grenade detonations
- Rhylos' 50
Collect a total of 50 achievements
- 2x9MM
In one game kill 2 bosses using the Dual Glocks
- Big Game
In one game, kill two bosses without killing any other zombie in between
- American Hero
Kill over 5000 zombies in one game
- Gut Buster
Decapitate 100 Big Boy zombies in a single game
- Not Addicted
Pick up 10 health power-ups in one game when your health is at 100%
- Necromancer
Achievement description available at game update
- Double Duty
Achievement description available at game update
- Itemizer
Pick up 250 powerups or items in one game
- Pyro
Set 250 zombies on fire with the incendary rounds in a single game
- Bullet Rain
Kill two Minigun zombie bosses within two minutes of each other
- Unseen
While cloaked, kill 250 zombies in one game
- Killstreak Two
Reach a stats KillStreak of 2000 zombies
- Fifteen Minutes In Jail
Survive for 15 minutes on the Prison barricade map
- Hat-trick
Achievement description available at game update
- Time Traveler
Accumulate 90 seconds of Bullet Time in one single player game
- Blockade
Survive for 15 attack waves in Barricade Mode
- Right-Hand Man
Get ghosts to kill 25 zombies in one streak while killing none yourself
- All 4 Deadly
Get Fire Team, Mirror Image and Wild Bunch, then get a ghost pickup
- Free Man
Finish off a boss zombie with the crowbar
- Weapons Expert
Get Dexterity, Intensity, Accuracy, Heavy Ammo, Improved Loadout then get 1000 kills
- Collector
Collect at least 20 perks in a single game
- Flasher
Kill 100 zombies stunned by flashbangs in one game
- One Shot One Kill
Kill 250 zombies with the rage powerup in one game
- Killstreak One
Reach a stats KillStreak of 1000 zombies
- Perforator
Get the minigun and kill 50 zombies with it inside 9 seconds
- Breather
Pick up health then survive 25 seconds in Free Play without damage or firing a single shot
- Well Supplied
Explode 3 propane gas tanks within a 10-second period
- Magnet
Collect 10 zombie-attracting Rammers in one game
- Warming Up
Kill 10,000 zombies
- Stopping Power
Kill 150 running zombies in a single game
- Explosive Irony
Deal the killing blow to a Grenade Zombie with a grenade
- Execution
Kill at least 250 zombies using sentry guns
- Gunslinger
Complete any mission on 3 silver-star level using only the default Glock
- Efficiency
Kill at least 10 zombies with one grenade
- LockDown
Reach wave 2 in warehouse barricade without any zombie breaching the fence perimeter
- ColdBlooded
Survive for three attack waves in Barricade Mode without moving
- Stronghold
Kill 100 zombies in Survival Mode without moving from start of game
- Flak Jacket
Get hurt by and survive 10 Zombie Bomber explosions in one game
- Fortress
Survive for 10 attack waves in Barricade Mode
- Arms Dealer
Get at least one kill with ten non-melee weapon in one game
- Tough Guy
Kill 1000 zombies in any single game without ever picking a perk
- Bouncer
Survive 5 waves in Single Player Warehouse Barricade without the lower sentries firing a single shot
- Ladies First
Kill 5 female zombies in one streak without killing a single male
- Winner
Complete all the story missions
- Victor
Kill all zombie boss types
- Gunbarrel
Kill the minigun zombie boss
- Horde
Kill 50 zombies within a ten second period
- Guardian
Complete the Point Defense mission
- SpeedKiller
Kill any boss within 30 seconds of the boss appearing
- Untouchable
Complete any mission without taking any zombie damage