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Acquire Waffle Weapons! Obtain the Ray Gun, DG-2, and the Monkey Bomb at the same time in a game. (Map Pack 3 only)

Boar Bather Rode a Razorfire Boar into the Sea of Black Tears and lived to tell the tale.

I kill dead people Killed 40 ghosts in the Ancient Labyrinth

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

Crash Proof Use a flashback in the DiRT Tour after receiving terminal damage and then go on to win the race

Gliding with Style Complete a mission without losing your armor

Looking Sharp Unlock Rath

Deliver This Complete the "Special Delivery" Special Ops mission on Veteran difficulty.

O Rly? Replay a mission

Clever girl Release a Velociraptor

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

Green Series clear Get a silver medal on every green track

The Spider's web Defeat 50 enemies using the Amazing Charge Attack

Self-Improvement Use a Nimp Relic to gain an ability for the first time

Boom Kill 50 enemies with explosives or abilities.

The First One is the Hardest Get your first 1,000,000+ combo

Vulnerable As the Predator, knock down a Fireteam member while your energy is overloaded

Shocking Discovery Unlock Shockrock

Rule With an Iron Fist Kill 20 enemies with Ironhide's Melee attack in Chapter II.

Feeling Shattered Break an enemy’s armor

Extreme Manhunt Complete a Seasonal Manhunt mission on Challenge difficulty or above.

Flyswatter Destroy all helicopters in the "Vertigo" Special Ops mission.

Last Blood At the end of Guns of Stygia, kill all the enemies on the walkways before the explosions do

Chamber of Secrets Locate room 899

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

Mercy Kill 5 enemies while they are on fire in Chapter 3: Fire Sale

A Little Pack Here, a Little Punch There In Voyage of Despair, use the Pack-a-Punch at every possible location in a single game

Hunger for Justice Win 5 All You Can Eat Matches

Pinnacle Complete the "Vertigo" Special Ops mission on Veteran difficulty.

Street Fighter Complete all Dragon's Teeth Assignments

Harvester Of Sorrow Complete the game on Expert

Get him! Win a Quick Race on a track in the Batcave (not unlockable in Split Screen).

High Score In Zombie Rush, obtain a Personal Score of 250,000

The Spice of Life Use three different types of Yamato weapons in a boss fight.

ARCHIVIST Collect all documents

Kung Fu'd It Win 5 King of Kung Fu Matches

Perfect Date Finish a level without taking damage.

Deadhead Get 150 zombie headshots in a single game. (Map Pack 2 only)

Chapter IV Complete Chapter IV on any difficulty.

Distinguished Hunter Reach Player level 50
0/50

A Bridge To Somewhere Extend the bridge in Awakening in Regular or Hardcore difficulty.

A beautiful, but deadly addition Release a Dilophosaurus

Don't burn yourself out Defeated the Keeper

To Jugger or to Jugger-Naut Kill all juggernauts after they land on Veteran difficulty in the "Vertigo" Special Ops mission.

Release the Kraken! Killed 20 enemies during the boat exfil in Rip Current

Nightwing Revenge Obtain 78 medals on the original Arkham City and Nightwing Bundle Pack ranked maps (as Nightwing)

Troglodyte Kill all scientists with head shots in ‘Self Destructive’ Operation.

All Creatures Great and Small Rescue every captured friend.

Entrapment Kill 20 enemies with security guns in a single level.

Tailor-made Chose a perfectly fitting armor