Dead Sky

Blood Bath

Be within blood splatter range for 3000 dismembering kills

Rocket Surgeon

Heal 600 points of damage and kill 25 zombies with the rocket launcher in a multiplayer game.

Untouchable

Complete the single player campaign on normal without taking damage.

Professional

Go 4 rounds without taking any damage and kill at least 40 zombies within that time.

To Catch a Zombie

Catch 500 enemies using the bear trap

Defender

Defend the objective 500 times

Good Neighbor

Spend 200 scrap metal repairing teammates' turrets in a multiplayer game.

Counter Attack

Kill 50 zombies using the Electro-shield upgrade in a single game.

Berserker

Kill 500 zombies with the berserker buff

If You Build It...

Build 500 structures

Badass

Kill 20,000 enemies

Fort Kickass

Have the maximum number of defense items built simultaneously.

Trickshot

Hit 10 enemies with a single railgun shot

Gather 'Round

Lure 10 zombies onto a single mine

Survivalist

Complete the single player campaign on normal without dying.

Slayer

Kill 6,500 enemies

Demolitionist

Accumulate 500 explosion kills

Dueling Chainsaws

Kill Sackhead using a chainsaw

Eat This!

Kill a tunneler using a well-placed mine

The Little Zombie That Could

Get killed by the last basic zombie of the round.

Veteran

Kill 3,000 enemies

Hard Carry

Do more damage than all of your teammates combined in a 3+ player game that lasts at least 4 rounds.

Doctor

Heal 600 points of damage in a multiplayer game.

Vampire

Heal 300 points of damage using lifesteal in a single game

Optometrist

Kill Deadmass using the med gun

Final Form

Purchase all of the available upgrades in a single game

Mowdown

Kill 7 enemies using a single air support powerup

Machinist

Have 5 turrets up simulatenously.

Field Medic

Heal 300 points of damage in a multiplayer game.

Big Hero

Kill at least 30 enemies after your teammates die in a single round.

Old Fashioned

Last 6 rounds without building any turrets or fences

Basic Training

Complete the single player campaign.

Plumber

Kill all enemies in the Sewer on normal.

Line 'Em Up

Hit 5 enemies with a single railgun shot

Tank

Take at least 500 points of damage in a single life.

Nocturnal

Survive a night without using your flashlight while still killing at least 10 enemies.

Nope

Stop Sackhead with a bear trap

Oops

Kill a teammate with the afterblast of a demolition zombie that you shot.

Thick Skinned

Take at least 250 points of damage in a single life.

You're Fired

Kill 6 enemies with the flamethrower within 8 seconds.

First To Die

Be the first one to die in a multiplayer game.

Bad Timing

Die while reloading

Efficient

Hit 3 enemies with a single railgun shot

Gunslinger

Kill 4 enemies in 3 seconds with the pistol