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Prod off Kill 5 worms with the Prod weapon.

Doctorate in Thermodynamics Kill 2 scientists with a single grenade in ‘Self Destructive’ Operation.

Test the Product Knife 10 stacks of cocaine in ‘Hostile Takeover’ Operation.

Unite In Speed Completionist Gain all stars in 'Unite In Speed'.

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

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

Emergency Stop Braked to a standstill from 100-0 km/h within 2 secs

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

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

Fully Formed Have three players be in full form at the same time on your club in Career Mode

Pacesetter Completionist Gain all stars in 'Pacesetter'.

Long Winded Parachute for 30 seconds and successfully land in a single turn.

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

Aerial Threat Score a header with a player with the Aerial Threat Speciality

First night on the streets Complete the Unleashed Goal of one Event of the HOT WHEELS™ - Batman Expansion.

Found the Toot Button Relieve the buildup of natural pressures in the gastrointestinal tract through quick, albeit semi-musical, bursts of gaseous release.

Requesting Flyby Entered and exited the pit lane without losing a position (cannot be in last place)

Fundamental Principles Amended the Constitution 6 times in a single game

Big Spender Purchase a Concrete Donkey from the in-game shop.

Make it Count Win a ranked multiplayer match.

I kill dead people Killed 40 ghosts in the Ancient Labyrinth

Taking Flight In Gorod Krovi, ride a Dragon.

Velocity Completionist Gain all stars in 'Velocity'.

He knows what they did last era Found all eight audio notes in the Ancient Labyrinth

Der Meisterbogenschuetze In Der Eisendrache, obtain all of the ancient bows.

Powdered Cheese Bath Heal 150 points of damage with a single Healing Totem across any number of allies.

Remorse Save only yourself

Evolution Completionist Gain all stars in 'Evolution'.

Dream Race Win the ultimate three-way showdown between a Ford Mark IV Race Car, a Ferrari 330 P4 Race Car and a Jaguar XJ13 Race Car.

Chimp on the Barbie In Ascension, kill a space monkey with a fire trap.

Assistance is Futile Win a DiRT Tour race without using any driver assists

The Real Thing Win a Rally race in the DiRT Tour using the interior camera and the HUD switched off

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

The Road to Greatness Complete your first Quest

Making a Point Kill both bosses with head shots in ‘Hostile Takeover’ Operation.

The Sky Is Mauling! Kill 3 enemies with Mortar Strike in ‘Air Traffic Control’ Operation.

Confidence Boost Win a Battlegrounds league Clan Match.

Enthusiasms Kill Torres with a melee attack in ‘Hostile Takeover’ Operation.

Torque Completionist Gain all stars in 'Torque'.

In Seventh Heaven Reached overall happiness of 77

Century of Goals Score 100 goals in FIFA 12 match play

The Green Seas Make at least 4 enemies Vomit with no more than 1 second in between each.

Justice Is Blind Kill 4 enemies who are stunned by a Flashbang Grenade in any Operation.

For Science! Researched all technologies at least once before the year 2005 in a single game

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

Research and Development Upgrade the Rarity of one common vehicle of the HOT WHEELS™ - Batman Expansion.

Don't burn yourself out Defeated the Keeper

The Sound of One Hand Capping Complete ‘Got Your Back’ Operation with only a handgun.

Tailor-made Chose a perfectly fitting armor

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