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Rest Your Weary Fists Kill the Dark Lord (Ancient Gods 2)

High Roller Complete the "Iron Clad" Special Ops mission on Veteran difficulty.

Perk-a-Holic Have all four perks simultaneously active in a game of Nazi Zombies. (Map Pack 2 only)

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

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

Go for Gold! In Onslaught, acquire seven gold chalices

Together Till the End Be the last man standing

Seal the Deal Complete a Triumph Seal.

GD Parkour Instructor Complete all Parkour Fever Challenges at night

Pea Shooter Kill a Rhino with only a pistol in Nightfall in Regular or Hardcore difficulty.

Critical Literature Collect all physical Codex pages in a single save slot (Ancient Gods 2)

40 Knives! Kill 40 zombies with the bowie knife. (Map Pack 3 only)

Breach Apprentice Win your first Breach match.

Pack-A-Punch-ectomy In Revelations, recover the Pack-a-Punch machine from its abductor.

Perkaholics Anonymous! Survive until round 20 without buying a single Perk. (Map Pack 3 only)

No One Expects the Hot Wheels Expedition Arrive at the Horizon Hot Wheels Outpost

Heian Demon Completed all missions in "Darkness in the Capital" on Dream of the Demon.
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Frequent Flyer! Use the teleporter 8 times. (Map Pack 3 only)

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

Utility Man Complete all Missions intercepted from cellular tower signals

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

Atomic Obliteration - Complete all the Challenges

Moneybags Have 15000 credits in the bank in Outbreak.

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

Around and Around We Go Perform every level interaction once

Soul Survivor Reach round 15 in Nazi Zombies without getting revived. (Map Pack 2 only)

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

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

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

Forever Marked Progress the story to unlock.

Burgle Burgle Burgle Steal 10 kills from a teammate in Outbreak.

Kuwabara, Kuwabara Heard a ghost on the radio.

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

Way of the Vanquisher Completed "Against All Comers" on Dream of the Demon or higher.

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

Things That Go Ka-Boom Learn how to craft Exploding Arrows

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

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

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

Electric Whisper Learn how to craft Electric Arrows

Let's Play Complete the first Horde Mode Mission

Salute Me Achieve the rank of Lieutenant.

Campaign Kitty Obtain all 108 medals on the original Arkham City campaigns (as Catwoman)

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

Safari Tour Play at least one full round in every Official Map (Ranked Match)

The Rookie Complete the Rookie Qualifier Event

Speed Slayer Kill the Breeder in less than 5 minutes in Nightfall in Regular or Hardcore difficulty.

Throttled Survival Kill the Breeder while using a Relic in Nightfall in Regular or Hardcore difficulty.

Hey, Catch! Throw and hit an enemy directly with a Flammable Cannister then blow them up with it

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