Chunks of zombies everywhere!

Kill 10 zombies with a grenade.

Better than the guy that made the game.

Survive 10 waves in the Last Stand Survival mode.

It's a beginning.

Get 1968 kills.

The Sergeant.

Kill the ex-army sergent in the orginal game mode.

The Experiment.

See the medical experiment die in the orginal game mode.

Bloodbath.

Reach a kill combo of 40.

The Husk.

Kill the burning husk in the orginal game mode.

The Queen.

Kill the Queen of spitters in the orginal game mode.

It don't belong to me.

Complete a game without raiding a building.

Two against the world.

Finish a co-op game on any difficulty.

Ankle deep in the dead.

Finish the Dead Pixels on Easy or higher.

Waist deep in the dead.

Finish the Dead Pixels on Normal or higher.

Shoulder deep in the dead.

Finish the Dead Pixels On Hard or higher.

Buried in the dead.

Finish the Dead Pixels on Hardest.

True ending.

Finish the solution game mode on any difficulty.

Kill it with fire.

Set 150 zombies on fire.

The Fiend.

Kill the clawed fiend in the orginal game mode.

Corpsicles.

Freeze 100 zombies.

Saving ammo.

Kill 60 zombies with melee attacks.

Nice shot.

Kill 5 zombies with one shot.

Pack mule.

Walk across an entire street over encumbered.

Picked clean

Empty 300 buildings of items.

Back from the dead, but in a good way.

Resurrect a player in coop.

50,000 volts.

Shock 150 zombies.

Master of all skills.

Max level all skills.

Time attack

Complete a Last Stand time attack game.

If you've got the cash.

Spend over a million dollars in trader stores.

The Infected.

Kill the infected survivor in the orginal game mode.

Supply and demand

Sell a wanted item to a trader

It's the humane thing to do.