UncleBojangle

Floater Parachute off a Gantry Crane onto the roof of the Harbormaster's Building in 'Precious Cargo'

Betrayal Kill an enemy from behind at close range while disguised by the Sleeper Agent

Feline Revenge Obtain all 72 medals on the original Arkham City ranked maps (as Catwoman)

Switcheroo Complete "Fox Hunt"

Death From Above In Der Eisendrache, kill a zombie while being flung by a Wundersphere.

That’s a lot of Jigawatts! In Der Eisendrache, electrocute 121 zombies.

To Know Your Enemy... Get 100 Kills while using Mutant Injections in Zombies

One Big Happy Family Complete "Face 2 Face"

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

Super Fuel Power a Furnace with Lava.

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

Vive la Résistance Complete all Connie Resistance Missions

Death Adder Take out opponents with items one hundred times online.

Hired Gun Complete 20 Contracts in MWZ

Community Service Complete all Angel Resistance Missions

Off The Record Complete all Claire Resistance Missions

Supply And Demand Complete all Freddie Resistance Missions

Deforestation Kill 15 Seeder Turrets in one game in Mayday in Regular or Hardcore difficulty.

Change of Sheets Dye your bed a different color.

Centennial Acquire 100% of the Stars

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

Egg-stra XP! Complete the Egg-Stra XP challenge and then destroy a hive in the Onslaught DLC package.

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

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

Write Off Kill 500 Enemies using an Insured Weapon in MWZ

I never doubted you! Win 10 Rounds of Infiltration

Fling Me to the Moon In Der Eisendrache, use every Wundersphere twice.

Took this thing on a test flight Complete Arcade mode with a custom made ship, at Veteran difficulty level

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

Fully Kitted 2.0 Unlock all Upgrades in the Bloodline expansion

Beam Me Up Teleport over 100 meters from a single throw of an Ender Pearl.

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.

Skilled Adversary In IX have a Challenge banner with all 9 medallions

Swimming with the Fishes In Voyage of Despair, kill 50 zombies that are underwater in a single game

Packrat Collect 50% of Data Drive files in the Bloodline expansion

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

You have your moments Get 5000 Objective Score while playing as any Hero (Multiplayer)

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

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

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

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

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.

Moneybags Have 15000 credits in the bank in Outbreak.

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