Keith_Death

A Big Fan of Lefties Acquire all enemy officers' left arms.

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

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

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

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

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

Collector Acquire all items available in normal time attack

Bingo! Use a power-up against every opponent on the track (globals not included)

Supernova Get 3 Stars on 20 different Echoes

Hell Razor Kill a Burnout using the helicopter that arrives in Crash Site

Horsepower Completionist Gain all stars in 'Horsepower'.

Elements Completionist Gain all stars in 'Elements'.

Knight Score 1 million points in 1 run

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

Syngenesophobia Defeat the brothers.

A for effort Attain a Time Trial star rating of 35

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

RPM Completionist Gain all stars in 'RPM'.

Social Butterfly Complete one event with each constructor

They See You Rollin' Earn 3,141 badges

Katagelasticism Mock the traitor.

Fast Track On Mean Street, kill all the snipers on the rooftop before the DNA bomb explodes

Moneybags Have 15000 credits in the bank in Outbreak.

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)

Call me Ace! Ace all trick types in a Gymkhana Championship event

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

Turbocharged Completionist Gain all the stars in 'Turbocharged'.

Burgle Burgle Burgle Steal 10 kills from a teammate in Outbreak.

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

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

Starry-eyed Earn every star in Team Adventure Mode Chapter 2.

Lamborghini Icons Completionist Gain all the stars in 'Lamborghini Icons'.

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)

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

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

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

Salute Me Achieve the rank of Lieutenant.

Pacesetter Completionist Gain all stars in 'Pacesetter'.

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

Taking Flight In Gorod Krovi, ride a Dragon.

New Superpower Complete all China Rising Assignments

The MARS Clear area 2 in play mode or travelling mode.

Hoarder Have a total of at least 150,000 points in Echoes Mode's total high score

Tearing Away the Disguise Destroy all of the humanoid Dwarf Gekkos during story mode.

Right on Cue Prove that you know your way around the microphone. Don't miss a beat in any stage on Normal difficulty.

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

Velocity Completionist Gain all stars in 'Velocity'.

I Got This In The Darkest Shore, survive the initial beach rush without using any machine gun turrets.