First To Die
Not unlocked yetBe the first one to die in a multiplayer game.
Field Medic
Not unlocked yetHeal 300 points of damage in a multiplayer game.
Doctor
Not unlocked yetHeal 600 points of damage in a multiplayer game.
Rocket Surgeon
Not unlocked yetHeal 600 points of damage and kill 25 zombies with the rocket launcher in a multiplayer game.
Professional
Not unlocked yetGo 4 rounds without taking any damage and kill at least 40 zombies within that time.
Good Neighbor
Not unlocked yetSpend 200 scrap metal repairing teammates' turrets in a multiplayer game.
Machinist
Not unlocked yetHave 5 turrets up simulatenously.
Berserker
Not unlocked yetKill 500 zombies with the berserker buff
If You Build It...
Not unlocked yetBuild 500 structures
Veteran
Not unlocked yetKill 3,000 enemies
Slayer
Not unlocked yetKill 6,500 enemies
Badass
Not unlocked yetKill 20,000 enemies
Fort Kickass
Not unlocked yetHave the maximum number of defense items built simultaneously.
Nocturnal
Not unlocked yetSurvive a night without using your flashlight while still killing at least 10 enemies.
Thick Skinned
Not unlocked yetTake at least 250 points of damage in a single life.
Tank
Not unlocked yetTake at least 500 points of damage in a single life.
Counter Attack
Not unlocked yetKill 50 zombies using the Electro-shield upgrade in a single game.
Efficient
Not unlocked yetHit 3 enemies with a single railgun shot
Line 'Em Up
Not unlocked yetHit 5 enemies with a single railgun shot
Trickshot
Not unlocked yetHit 10 enemies with a single railgun shot
Gather 'Round
Not unlocked yetLure 10 zombies onto a single mine
Plumber
Not unlocked yetKill all enemies in the Sewer on normal.
Mowdown
Not unlocked yetKill 7 enemies using a single air support powerup
Vampire
Not unlocked yetHeal 300 points of damage using lifesteal in a single game