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Quadruplets! Pigsy's Perfect 10: Ally 4 enemies using one single Ally device.

Not a Scratch Finish with your tank at full health in the "Iron Clad" Special Ops mission.

Siege Complete the "Light 'Em Up" Special Ops mission on any difficulty.

Fertilizer Man Kill 200 zombies in a single game. (Map Pack 2 only)

Untouchable Use only one self revive care package in the "Special Delivery" Special Ops mission.

Digi-Me Start your Player Career with a Created Pro

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

dr0n3d Complete the "Arctic Recon" Special Ops mission in under 3:30.

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.

Utility Man Complete all Missions intercepted from cellular tower signals

Perfect 10 Pigsy's Perfect 10: Finish the Shooting Gallery under 40 seconds without shooting any pin-ups.

Factory Zero You survived Hei Zhen Zhu and RBS using no Praxis kits, weapons, grenades or mines. Whoa.

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

Four Birds, One Stone Pigsy's Perfect 10: Kill 4 Mechs with 1 Bomb device.

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

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

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

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

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)

Stunning! Pigsy's Perfect 10: Stun 5 enemies using one single EMP device.

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

Around and Around We Go Perform every level interaction once

Professional Reach Rank 10 (Ranked Match)

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

Salute Me Achieve the rank of Lieutenant.

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

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

Dinner Date Pigsy's Perfect 10: Collect all hidden food and pin-up girls.

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

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

Bronzed Complete the Bronze stage of all Skills

Bike Win 5 Festival races using a Bike

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

The third faction Rescue all the Buddies from their respective predicaments

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

Robin Revenge Obtain 78 medals on the original Arkham City and Robin Bundle Pack ranked maps (as Robin)

Nightwing Revenge Obtain 78 medals on the original Arkham City and Nightwing Bundle Pack ranked maps (as Nightwing)

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

Deadhead Get 150 zombie headshots in a single game. (Map Pack 2 only)

High Score Score 800,000 points in one game -- with Game Settings set to Hardcore.

To Jugger or to Jugger-Naut Kill all juggernauts after they land on Veteran difficulty in the "Vertigo" Special Ops mission.

Tumbler Perform an impressive Barrel Roll

It's a Trap! Kill at least one zombie with three different traps in a single round. (Map Pack 2 only)

Pit Master Discover and fight Hidden Kombatant 3 in Arcade Ladder

Campaign Wonder Obtain 114 medals on the original Arkham City and Robin Bundle Pack campaigns (as Robin)

Campaign Nightwing Obtain 114 medals on the original Arkham City and Nightwing Bundle Pack campaigns (as Nightwing)

Let it Snow Receive the Extreme Environment Suit (XE Suit)