SladeyPS

Elements Completionist Gain all stars in 'Elements'.

Horsepower Completionist Gain all stars in 'Horsepower'.

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

Go for Gold! In Onslaught, acquire seven gold chalices

Long Board Ride the Hoverboard for a total of 10,000 meters (electro-mag cables don't count!)

Utility Man Complete all Missions intercepted from cellular tower signals

Lone Champion Complete Lone Fortress on Adventure or Apocalypse difficulty.

Shadow Vigilante Master the Shadow Vigilante Dark Knight track

Pursuit of Knowledge Filled 80% of the Datalog.

RPM Completionist Gain all stars in 'RPM'.

A Man of Principle Complete the SAM'S STORY chapter earning the Captain's full trust.

Pack-A-Punch-ectomy In Revelations, recover the Pack-a-Punch machine from its abductor.

It's just a scratch Complete THE TWO COLONELS Chapter without using any Medkits on Normal or higher difficulty.

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

Electric Whisper Learn how to craft Electric Arrows

Things That Go Ka-Boom Learn how to craft Exploding Arrows

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

Great Owl Find all the Night Hunters' secret stashes in the SAM'S STORY chapter.

Moneybags Have 15000 credits in the bank in Outbreak.

That's the Spirit! Earn all 75 Stamps available in the Wild Spirits Career

Interception Grapple to an Agent who's reeling through the air, and reel-kick them

Silence of the Llamas Expel the Infestation at the Farm

Turbocharged Completionist Gain all the stars in 'Turbocharged'.

The Power of Rico Compels You Exorcise the Infestation at the Church

Perkaholics Anonymous! Survive until round 20 without buying a single Perk. (Map Pack 3 only)

Solino Chainsaw Massacre Eradicate the Infestation at the Compound

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

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

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

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

They Came From the Lake Liquidate the Infestation at the Lake

Tournament Time Create and win a Custom Tournament with more than 16 teams

Demons on a Plane Obliterate the Infestation at the Crash

The Flying Dead Abolish the Infestation on the Mountain

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

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

Rookie of the Year Earn a B Rank in the Trial of Initiation

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

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

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

I've Got This Acquire all upgrades

Safari Tour Play at least one full round in every Official Map (Ranked Match)

Beast Friends Forever Paint Trico's entire body.

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

All Talked Out Hear every hint.

Salute Me Achieve the rank of Lieutenant.

Give Them Something to Believe Complete New Game Plus

Iron Mode Complete the game in Iron Mode.

Never Speak of This Again Finish Extermination

Speed Slayer Kill the Breeder in less than 5 minutes in Nightfall in Regular or Hardcore difficulty.