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

Back to the... Past Chris was successfully sent back to 1980.

Knight Score 1 million points in 1 run

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

Disc Jockey Play all records during the course of the night

Don't worry... Just keep training. Engaged in omni-directional movement for 1 minute without landing.

Warming the Gloves Make 10 saves in 1 Arena kick-about

A for effort Attain a Time Trial star rating of 35

Utility Man Complete all Missions intercepted from cellular tower signals

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

That's why I picked you. Allies damaged a total of 100 parts.

Moneybags Have 15000 credits in the bank in Outbreak.

Great Success Gain S+ on all U.S.S. missions on Veteran or Professional difficulty

Blood Bank Kill 10,000 enemies

The Hunted Becomes the Hunter Kill 5 Walkers in the Cabot Ridge Creek Bed

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

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

Mastermind Have a substitute score a goal in Career Mode

Shadow Vigilante Master the Shadow Vigilante Dark Knight track

The Champion Collected all The Champion artifacts.
2/10

Let's Play Complete the first Horde Mode Mission

Fill your dark soul with light Free all of the Lost Souls in Dante's story

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

Not All Talk Save all Whistling Man Targets

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

What else can we do? The world is a cruel place. Completed Chapter 3 of Attack Mode.

Frequent Flyer! Use the teleporter 8 times. (Map Pack 3 only)

Devote your heart! Unlocked all characters.

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

First night on the streets Complete the Unleashed Goal of one Event of the HOT WHEELS™ - Batman Expansion.

The Cleaner Escape as a traitor with 50% of any level’s total loot in Arcade Mode or Multiplayer Ranked Match.

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

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

Happy Trails Complete By the Trail of Our Dead

You Want Blood? 1000 kills.

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

My First Extreme Played the rhythm game on EXTREME or EX EXTREME difficulty for the first time.

All Star Get 100 Stars in S.T.A.R. Lab Mode

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

Around and Around We Go Perform every level interaction once

Is there a problem? Complete all missions (on Nephilim or above) on Hardcore mode with Dante

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

One hell of a party! Complete all of the Secret Missions

Survived Mayday Kill the Kraken for the first time in Mayday in Regular or Hardcore difficulty.

Fully Formed Have three players be in full form at the same time on your club in Career Mode

I've Got This Acquire all upgrades

Targets Acquired Get past the first gate in Awakening in Regular or Hardcore difficulty.

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

Professional Reach Rank 10 (Ranked Match)

Duct Tape FTW Create all combo weapons