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Assist Deal more than 50% of the damage to an enemy killed by another player.

Big Brawler Get 10 consecutive zombie melee kills before Insta-Kill expires. (Map Pack 2 only)

A Horrible Night To Have a Curse Survive the nightmare

Status Breaker Status Break a weapon to create a SynthSphere.

Feeding Time Feed the Narwhal.

Double Finish Killed 2 enemies simultaneously.

Collector Acquire all items available in normal time attack

Hydrogen Run Escape the large zeppelin with 40 seconds or more on the timer

Guac is Extra Find Dave the Burrito.

Icebreaker Equip the Icebreaker.

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

A shining inspiration to us all! Achieve the rank of Grand Lord (Rank 25).

Hometown Hero Learn Windmill Slash from Dran.

The Time Eater Defeated the Time Eater.

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

Compliments to the Chef Complete your quest on Inkwell Isle IV

Under The Ice Finish the main quest in The Pale Reach.

Shoppa the Explorer Unlock 5 stores in New Eridu.

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

I Want a Nice, Clean Game Play 5 PVP Matches

Chasers With Extra Responsibilities Intercept a shot on your goals

The 40-Yard Digital Dash Breach: Succeed 3 Data Sphere deliveries.

Enlightened Sinner Catch the fleeing pile driver.

Fresh Fish Have 5 ice blocks in your cargo.

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

Storied Jedi Complete a chapter with a full True Jedi meter in Story mode.

Siren Call Use a boombox to lure an enemy.

Turkey Shoot Reach combo level of 20.

Call Out That Name Awaken the prototype's power and defeat the mysterious monster inside the monument.

What a Shot! During open play, score a long-distance goal with a defender (25 yards out)

221B Sixth Street Collect 100 Observation Data.

You Can't Break Me Down Win a Game using every Defensive Style

Spare Parts Scavenge a vision module from a machine.

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

True Grit Used Grit to avoid an enemy attack.

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

Hearty Have 9HP at one time

From The Black Depths Catch the Colossal Squid.

Sapphire Beat the game with the Defect.

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

Around and Around We Go Perform every level interaction once

Fully Improved: Gwen Fully improve Gwen's Lodge.

You're A Disease And I'm The Cure Destroy 20 Ticks.

Polar Angler Catch all known species of fish in The Pale Reach.

Frozen Favors Finish all side quests in The Pale Reach.

Playing Myself Complete the Soldier 11 Agent Story.

You're Not Worthy As My Opponent Breach: Send 3 Challenges.

Hunter Use hunting rifles to destroy 20 machines.

Real Sneaky Like Use suppressed weapons to destroy 20 enemies.

All Out Of Bubblegum Destroy 80 Runners.