LeeBerg

Specter Officer Reach max level with one class in the Cooperative campaign.

A New Protagonist Earned the top ranking in the Friendly Match.

Z-Genocider 2: Genocide Harder Kill 53,596 zombies

Occasio Calva Complete Kairos Gate.

Yeeee HAW! Complete the Adventure Mode on the Hard difficulty.

Seek & Destroy Get 2 Kills with a single remote controlled Throwing Knife from at least 50 meters away in Campaign

Death of Comedy Use every type of novelty weapon on a zombie

Skewer the Winged Beast In Under the Radar, have the SAM target itself and the helicopter

Guilty as Charged Complete a Murder Circus Finale with Chief Justice.

Gimme Five Attain Level 5 with all Murder Circus contestants.

The Ultimate Sword Obtain Excalibur II.

I’ve seen some things… In Kino Der Toten, visit every location the teleporter can take you to.

Backwards & Forwards Complete ALL levels in N. Verted mode

Most Dangerous Game Complete a Murder Circus Finale with Artemis.

Deer in the Headlights Stab five stunned enemies in a row in the "Light 'Em Up" Special Ops mission.

Think She'll Notice? Destroy all of the cars in the mansion garage in 'Oligarch'

Viva La Reina Complete a Murder Circus Finale with Consuela.

Movie Critic View 79 Active Time Events.

Living the Dream Complete a Murder Circus Finale with Daniel Li.

Have You Tried Turning it Off and On? Use a Shock Stick to disable an enemy Sentry Gun

I'm dead serious Threw a chaff grenade at ZEKE (single player only).

Kuwabara, Kuwabara Heard a ghost on the radio.

Pursuit of Knowledge Filled 80% of the Datalog.

Helo Hat Trick Destroy each objective helicopter in 'Reactor' with a different Armament

David vs Goliath In Checkmate, destroy the APC using an RC-XD

Snow Angel Execute the forest sniper in 'Frozen Tundra' with a takedown

Rapid Reflexes Get 5 Headshot Kills during a single use of the Adrenaline Stim in Campaign

In the Belly of the Beast In Zetsubou No Shima, survive getting consumed.

Salute Me Achieve the rank of Lieutenant.

Hitchhiker Defuse the bomb on the truck in 'Gora Dam' while it is in motion

Sub Zero Complete the "Arctic Recon" Special Ops mission on Veteran difficulty.

Friendly Rivals Compare your ranking on any Challenge with a Friend on your Friends list.

Is everyone here? Unlock all characters from the original roster.

Taking Flight In Gorod Krovi, ride a Dragon.

The New Time-Master Beat all of Nefarious Tropy's times in Time Trial Mode.

Duct Tape FTW Create all combo weapons

Barrel Rider Ride a barrel in the spacerig for three seconds.
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Hey, Catch! Throw and hit an enemy directly with a Flammable Cannister then blow them up with it

Der Meisterbogenschuetze In Der Eisendrache, obtain all of the ancient bows.

Bulldozed In Ground Control, crush 25 enemies while driving the tank

Shot Blocked Shoot the gun out of the air in 'Flashpoint' before a terrorist catches it

Discriminating Buyer Use exactly one of each care package in the "Special Delivery" Special Ops mission.

Zombie Genocide Master Kill 72,000 zombies

Daily Prophet Reader Collect half of all the copies of the Daily Prophet.

Lights Out Complete the "Light 'Em Up" Special Ops mission on Veteran difficulty.

I Call Shotgun! Drive a vehicle with a Sentry Gun on the back and have it kill 5 enemies

Helpful Stranger Revive a player from a different Squad in MWZ

Chuck Greene: Cross-dresser? Change into all pieces of clothing in the game

Just Like Old Times Dispatch the professor with a shot to the groin.

Chimp on the Barbie In Ascension, kill a space monkey with a fire trap.