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

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

Z-Genocider 2: Genocide Harder Kill 53,596 zombies

Mental Unblock Get a 350000 Drift Score in Mental Block with Ken's car

Specter Officer Reach max level with one class in the Cooperative campaign.

Personal Touch Customise your first livery

Pandamonium Complete the Panda Plateau secret mission.

Topped Off Attain maximum life and mana possible without accessories or buffs.

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

Set for Life Acquire 20,000,000 Zeni throughout the course of playing.

Technological Terror Destroy a "harvester."

Horsepower Completionist Gain all stars in 'Horsepower'.

Memory Master Complete 2 Jigsaw scenes without preview

Counter Measure Destroy an incoming attack by firing an attack of your own in Single Player mode.

Backwards & Forwards Complete ALL levels in N. Verted mode

Elements Completionist Gain all stars in 'Elements'.

Full House Fully upgrade your Gear

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

Dressed For The Weather Construct a cold suit.

Necessary Repairs Repair the bridge.

Warrior Score a goal after suffering a non-contact injury with a player

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

Investor Sell a player and negotiate a sell-on clause with the buying club

Dark Lord Dethroner Defeat the Dark Lord.

Knockout Shot Denied! Stopped the opposing offense with Critical Defense 10 times.

RPM Completionist Gain all stars in 'RPM'.

What? There's nothing wrong with these... Finish the game with the starter sword, bow or shield.

Shadow Vigilante Master the Shadow Vigilante Dark Knight track

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

Winner Stays Play 5 H2H matches with a friend in Kick Off

Imposing arsenal Open and buy final versions of all weapons

All the bells and whistles Play a full game with a custom game mode

Death of Comedy Use every type of novelty weapon on a zombie

Tick Tock Climb the Clock Tower in 40 seconds in "Dark"

Bring it on Play a single player match with the Competitive Master Switch turned On

Lone Champion Complete Lone Fortress on Adventure or Apocalypse difficulty.

Sharp Shooter Clear the Mortar Guards without taking any damage in Assassin's Creed® Chronicles: India Memory Sequence 8.

Utility Man Complete all Missions intercepted from cellular tower signals

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

Trust the process Jump into a Sim match in Career Mode and win it.

Pristine Finish a race with at least 3 other racers without taking any damage

Intuition and Execution Win a penalty shoot-out without missing

Go for Gold! In Onslaught, acquire seven gold chalices

Got wood? Deliver 15 resources of wood or metal to the team's stockpile in online games

Wet Wasteland Complete Complete the Wet Wasteland circuit in third place or higher in Single Player mode.

My Power Level is 530,000 World Match - Acquire 530,000 BP.

Master Of Stealth Complete Assassin's Creed® Chronicles: China Memory Sequence 11 without being seen.

Enemy Of My Enemy Inflict friendly fire from projectiles on 50 in enemies Assassin's Creed® Chronicles: China.

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

Atomic Obliteration - Complete all the Challenges