Darcizzle

I never doubted you! Win 10 Rounds of Infiltration

First Blood Finish a round of Last Stand

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

GD Parkour Instructor Complete all Parkour Fever Challenges at night

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

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

Camaraderie Teach an ally a new ability.

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

New Gear Craft equipment for the first time.

A New Protagonist Earned the top ranking in the Friendly Match.

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

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

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

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

Things That Go Ka-Boom Learn how to craft Exploding Arrows

High Roller Complete the "Iron Clad" Special Ops mission on Veteran difficulty.

Electric Whisper Learn how to craft Electric Arrows

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

I’ve seen some things… In Kino Der Toten, visit every location the teleporter can take you to.

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

Single Impact Defeat The Scale

Seal the Deal Complete a Triumph Seal.

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

Shared Power Successfully use a Link Burst.

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

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

The Power of Blood Use a Blood Art for the first time.

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

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

Pursuit of Knowledge Filled 80% of the Datalog.

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.

Sleuth Unlock all intel (videos and audio files)

The Bigger They Are... Destroy a total of 100 Custom Cyborgs during story mode.

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

Gong like the Wind In IX, defeat all 8 challengers summoned by a gong within 5 minutes

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

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

Stowaway In Voyage of Despair, spend 5 consecutive rounds in the Cargo Hold

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

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

West Side for Life In Blood of the Dead, reach Round 20 without leaving the West Side of the island

Can You Feel It? Defeat The Hand

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

I Know a Shortcut In Voyage of Despair, take every fast travel path in a single game

Taking Flight In Gorod Krovi, ride a Dragon.

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.

Acidic Alchemy In IX, Get a kill with the Acid Trap in each of its craftable locations

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