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

Demons on a Plane Obliterate the Infestation at the Crash

The Flying Dead Abolish the Infestation on the Mountain

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

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

Rookie of the Year Earn a B Rank in the Trial of Initiation

BADGER! Ride a Badger

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

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

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

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

Colorado Escalated Complete Level 5 of an Escalation Contract set in Colorado.

Bangkok Escalated Complete Level 5 of an Escalation Contract set in Bangkok.

Mr. Climax Trigger all Climax Heat variations for Kiryu, Saejima, Akiyama, and Shinada.

Silent Sniper Complete The Last Yardbird as Silent Assassin.

Never Speak of This Again Finish Extermination

Island and Chill Complete The Last Resort.

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

Moocifer Create a Cow Demon

Top Ten Rank in the top 10 at the Coliseum for the first time.

Taking Flight In Gorod Krovi, ride a Dragon.

Hokkaido Escalated Complete Level 5 of an Escalation Contract set in Hokkaido.

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

Double Trouble Complete The Pen and the Sword in Multiplayer.

A Toast Together Finish the final cabaret club event.

Rank - Advanced Builder! Collect 65 Gold Bricks

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

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

Save the Poet Complete The Pen and the Sword in Single Player.

Burgertown Escort Service Rescue 1 survivor in Infection.

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

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

He Talked Too Much Defeat Emerson Miller

Developmental Graduate Complete the TRAINING CHECKLIST.

I Got This In The Darkest Shore, survive the initial beach rush without using any machine gun turrets.

Come On And ... Slam 10 zombies at once in Outbreak.

Deliver This Complete the "Special Delivery" Special Ops mission on Veteran difficulty.

Pack Addict! Upgrade 5 weapons at the Pack A Punch Machine. (Map Pack 3 only)

Falcon and the Snowman Complete Crime and Punishment in Single Player.

Two for One Complete Crime and Punishment in Multiplayer.

Flyswatter Destroy all helicopters in the "Vertigo" Special Ops mission.

Alright, Alright Survive until round 10 in Infection.

Views From the Abyss STU: Complete "The Spider's Thread" mode.

Survivor Survive until Round 25 in Outbreak.

The Ultimate Sacrifice In Zetsubou No Shima, retrieve the Skull of Nan Sapwe.

Nothing More to Collect Unlock all the playable characters and bonus items.

Pinnacle Complete the "Vertigo" Special Ops mission on Veteran difficulty.

PC Load Letter Use the 3D printer 15 times in a single match in Outbreak.

Under the Radar Select a Starting Location and use an Informant to smuggle an item into Milton-Fitzpatrick.

Acquire Waffle Weapons! Obtain the Ray Gun, DG-2, and the Monkey Bomb at the same time in a game. (Map Pack 3 only)