Eat This!
Not unlocked yetKill a tunneler using a well-placed mine
Oops
Not unlocked yetKill a teammate with the afterblast of a demolition zombie that you shot.
Dueling Chainsaws
Not unlocked yetKill Sackhead using a chainsaw
Big Hero
Not unlocked yetKill at least 30 enemies after your teammates die in a single round.
You're Fired
Not unlocked yetKill 6 enemies with the flamethrower within 8 seconds.
Bad Timing
Not unlocked yetDie while reloading
Hard Carry
Not unlocked yetDo more damage than all of your teammates combined in a 3+ player game that lasts at least 4 rounds.
Defender
Not unlocked yetDefend the objective 500 times
Gunslinger
Not unlocked yetKill 4 enemies in 3 seconds with the pistol
Old Fashioned
Not unlocked yetLast 6 rounds without building any turrets or fences
Final Form
Not unlocked yetPurchase all of the available upgrades in a single game
The Little Zombie That Could
Not unlocked yetGet killed by the last basic zombie of the round.
Nope
Not unlocked yetStop Sackhead with a bear trap
Demolitionist
Not unlocked yetAccumulate 500 explosion kills
To Catch a Zombie
Not unlocked yetCatch 500 enemies using the bear trap
Blood Bath
Not unlocked yetBe within blood splatter range for 3000 dismembering kills
Optometrist
Not unlocked yetKill Deadmass using the med gun
Basic Training
Not unlocked yetComplete the single player campaign.
Survivalist
Not unlocked yetComplete the single player campaign on normal without dying.
Untouchable
Not unlocked yetComplete the single player campaign on normal without taking damage.