MisterLoad

Courage Proven, Strength Displayed Unlocked the class tree.

Build a New Friend! Pigsy's Perfect 10： Find all the parts to build Perfect 10.

CQC Six Shot Performed CQC six times in a row.

Not on My Watch Rescue all the hostages in the Special Ops mission "Negotiator."

On the Hunter's Path Unlocked the hunter.

Best Best Friend Pigsy's Perfect 10: Ally a single Mech 2 times.

Cleanest Hands You completed The Brigmore Witches without killing anyone

Skirmish - Chapter XIII Finish the levels from Chapter XIII in Squire difficulty

You have far too many Game Overs Reached 50 or more game overs.

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

Finally Home Complete every Adventure level in The Journey Home.

Special Staff Recruiter Assembled all special staff members.

It's Nice to Be Wanted Defeat each of Gotham's Most Wanted present during the KELVIN Incident

Element of Surprise Break Supercharged criminals 50 times using Elemental Effect weaknesses

What can possibly go wrong? Pigsy's Perfect 10： Complete all chapters.

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

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

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

That looks tasty! Nicely cooked a ration.

Ultimate Pork Roast Recipe Pigsy's Perfect 10: Use all 4 devices on one enemy.

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

Vic Vos Reached a total of 20,000 or more Camaraderie.

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

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.

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

Peerless Marksman Unlocked every panel in the marksman job tree.

Missed me! Defeat a boss on any difficulty level without taking damage

Path of the Summoner Unlocked the summoner.

Take a Chance Unlocked the gambler.

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

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

Silence is Golden You completed The Brigmore Witches without alerting anyone

Strangelove's Thoughts Read all of Strangelove's memoirs.

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

A for effort Attain a Time Trial star rating of 35

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)

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)

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

Utility Man Complete all Missions intercepted from cellular tower signals

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

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

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

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

Great Success Gain S+ on all U.S.S. missions on Veteran or Professional difficulty

I'm dead serious Threw a chaff grenade at ZEKE (single player only).

Cornelia's Hope Completed the mission "Cornelia's Hope."

Kuwabara, Kuwabara Heard a ghost on the radio.