- LockDown
Reach wave 2 in warehouse barricade without any zombie breaching the fence perimeter
- Back2Back
In an On-line Coop game, stay within reaching distance of another player while not taking damage for 30 seconds
- Fifteen Minutes In Jail
Survive for 15 minutes on the Prison barricade map
- 2x9MM
In one game kill 2 bosses using the Dual Glocks
- Resurgency Expert
In an On-line coop game, play as the Medic and revive team members 15 times in a single game
- Frontman
Reach wave 21 on the Asylum map without moving below the top barricade
- Pushover
In one game, kick a zombie after that same zombie hurt you and repeat 20x
- Efficiency
Kill at least 10 zombies with one grenade
- Ladies First
Kill 5 female zombies in one streak without killing a single male
- Fire Chief
Burn 800 zombies with the Flame Thrower
- Untouchable
Complete any mission without taking any zombie damage
- Rhylos' 50
Collect a total of 50 achievements
- Close Encounter
In an On-line Coop game, kill a boss with a melee weapon
- Demolitions Expert
Get Shrapnel and Remote Detonator then use 10 grenades in one game
- Organizer
Host and play an On-line Coop game
- Well Supplied
Explode 3 propane gas tanks within a 10-second period
- Warming Up
Kill 10,000 zombies
- Boss Eradicator
Kill 100 bosses in one or more On-line coop games
- Held The Line
Reach Wave 8 in Bridge Barricade mode
- Immortal
Survive for 10 minutes in a single Survival game
- Death Cheat
Survive 5 minutes with health staying below 25%
- Survivor
Survive for more than 2 minutes in survival mode
- Stronghold
Kill 100 zombies in Survival Mode without moving from start of game
- Assaulted
Kill 7 machine gun bosses in one barricade game within the first 30 waves
- Butchered
Kill 5 butcher bosses in one barricade game within the first 25 waves
- American Hero
Kill over 5000 zombies in one game
- Explosive Irony
Deal the killing blow to a Grenade Zombie with a grenade
- Targeted
Kill 10 minigun bosses in one game
- Team Elite
Reach Wave 40 in an On-Line Barricade game
- One Shot One Kill
Kill 250 zombies with the rage powerup in one game
- Itemizer
Pick up 250 powerups or items in one game
- Resurrector
In an On-line Coop game, perform three revivals in a single game
- Unseen
While cloaked, kill 250 zombies in one game
- Team Soldier
Reach Wave 30 in an On-Line Barricade game
- Explosives Expert
In an On-line coop game, play as the Gunner and detonate 50 explosives (grenades, dynamite) in a single game
- Collector
Collect at least 20 perks in a single game
- Big Game
In one game, kill two bosses without killing any other zombie in between
- Boss Eliminator
Kill 50 bosses in one or more On-line coop games
- Perforator
Get the minigun and kill 50 zombies with it inside 9 seconds
- Sustained
In an On-line Coop game, revive another player and make sure they do not receive any damage for 15 seconds afterwards
- Back To Life
In an On-line Coop game, perform your first revival
- Bullet Rain
Kill two Minigun zombie bosses within two minutes of each other
- Fenced
In an On-line Coop game, hold out until wave 21 in Factory Barricade
- Bouncer
Survive 5 waves in Single Player Warehouse Barricade without the lower sentries firing a single shot
- Headhunters
In an On-line Coop game, kill 20 bosses with your team in a single game
- Flak Jacket
Get hurt by and survive 10 Zombie Bomber explosions in one game
- Keeper
Reach wave 15 on The Farm map without any damage to the scarecrow
- Stopping Power
Kill 150 running zombies in a single game
- Arms Dealer
Get at least one kill with ten non-melee weapon in one game
- Team Recruit
Reach Wave 20 in an On-Line Barricade game
- Machinist
In an On-line Coop game, upgrade a sentry gun to a weapon station
- Boss Eraser
Kill 10 bosses in one or more On-line coop games
- Horde
Kill 50 zombies within a ten second period
- Victor
Kill all zombie boss types
- Gunbarrel
Kill the minigun zombie boss
- Magnet
Collect 10 zombie-attracting Rammers in one game
- Boogeyman
Survive for 15 waves on The Farm barricade map
- 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
- Defused
Kill 3 grenade bosses in one barricade game within the first 20 waves
- SpeedKiller
Kill any boss within 30 seconds of the boss appearing
- Fortress
Survive for 10 attack waves in Barricade Mode
- Team Trainer
Reach Wave 10 in an On-Line Barricade game