- Boss Eradicator
Kill 100 bosses in one or more On-line coop games
- 2x9MM
In one game kill 2 bosses using the Dual Glocks
- Accuracy Expert
In an On-line coop game, play as the Sniper and deliver the killing blow to 10 bosses using the M107 in a single game
- Boogeyman
Survive for 15 waves on The Farm barricade map
- Keeper
Reach wave 15 on The Farm map without any damage to the scarecrow
- Close Encounter
In an On-line Coop game, kill a boss with a melee weapon
- Resurgency Expert
In an On-line coop game, play as the Medic and revive team members 15 times in a single game
- All 4 Deadly
Get Fire Team, Mirror Image and Wild Bunch, then get a ghost pickup
- Pushover
In one game, kick a zombie after that same zombie hurt you and repeat 20x
- Boss Eliminator
Kill 50 bosses in one or more On-line coop games
- Explosives Expert
In an On-line coop game, play as the Gunner and detonate 50 explosives (grenades, dynamite) in a single game
- Back2Back
In an On-line Coop game, stay within reaching distance of another player while not taking damage for 30 seconds
- Rhylos' 50
Collect a total of 50 achievements
- Organizer
Host and play an On-line Coop game
- Flak Jacket
Get hurt by and survive 10 Zombie Bomber explosions in one game
- Team Recruit
Reach Wave 20 in an On-Line Barricade game
- Team Trainer
Reach Wave 10 in an On-Line Barricade game
- Boss Eraser
Kill 10 bosses in one or more On-line coop games
- Warlord
Complete all missions at 5 bronze-star difficulty
- Fire Chief
Burn 800 zombies with the Flame Thrower
- No Guns
Kill 500 zombies with a melee weapon
- Magnet
Collect 10 zombie-attracting Rammers in one game
- Right-Hand Man
Get ghosts to kill 25 zombies in one streak while killing none yourself
- LockDown
Reach wave 2 in warehouse barricade without any zombie breaching the fence perimeter
- Held The Line
Reach Wave 8 in Bridge Barricade mode
- Flasher
Kill 100 zombies stunned by flashbangs in one game
- Pinpoint
In a single FreePlay game, survive for 5 minutes without your stats accuracy dropping below 50%
- Wipeout
In Free Play or Survival, kill 100 zombies within the first 30 seconds of the game
- Stopping Power
Kill 150 running zombies in a single game
- Fifteen Minutes In Jail
Survive for 15 minutes on the Prison barricade map
- One Trick Killer
Survive for 15 minutes in a Free Play or Barricade game by only picking one perk and one new weapon
- Bullet Rain
Kill two Minigun zombie bosses within two minutes of each other
- Resurrector
In an On-line Coop game, perform three revivals in a single game
- Well Supplied
Explode 3 propane gas tanks within a 10-second period
- Targeted
Kill 10 minigun bosses in one game
- Sustained
In an On-line Coop game, revive another player and make sure they do not receive any damage for 15 seconds afterwards
- Headhunters
In an On-line Coop game, kill 20 bosses with your team in a single game
- Back To Life
In an On-line Coop game, perform your first revival
- Warming Up
Kill 10,000 zombies
- Perforator
Get the minigun and kill 50 zombies with it inside 9 seconds
- ColdBlooded
Survive for three attack waves in Barricade Mode without moving
- Stronghold
Kill 100 zombies in Survival Mode without moving from start of game
- Gunslinger
Complete any mission on 3 silver-star level using only the default Glock
- Execution
Kill at least 250 zombies using sentry guns
- Winner
Complete all the story missions
- Arms Dealer
Get at least one kill with ten non-melee weapon in one game
- Efficiency
Kill at least 10 zombies with one grenade
- Victor
Kill all zombie boss types
- Gunbarrel
Kill the minigun zombie boss
- Untouchable
Complete any mission without taking any zombie damage
- Bouncer
Survive 5 waves in Single Player Warehouse Barricade without the lower sentries firing a single shot
- Fenced
In an On-line Coop game, hold out until wave 21 in Factory Barricade
- 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
- Blockade
Survive for 15 attack waves in Barricade Mode
- Survivor
Survive for more than 2 minutes in survival mode
- Explosive Irony
Deal the killing blow to a Grenade Zombie with a grenade
- Guardian
Complete the Point Defense mission
- Horde
Kill 50 zombies within a ten second period
- Chain Reaction
Pick up Friendly Fire and use a Zombie Bomber's explosion to kill two more nearby bombers
- Free Man
Finish off a boss zombie with the crowbar
- Ladies First
Kill 5 female zombies in one streak without killing a single male