UNDERDOG90

Electric Whisper Learn how to craft Electric Arrows

Feeding Time Feed the Narwhal.

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

Horsepower Completionist Gain all stars in 'Horsepower'.

Elements Completionist Gain all stars in 'Elements'.

Goodbye Cruel World 5 Killer Skulls Collected

Icebreaker Equip the Icebreaker.

Helo Hat Trick Destroy each objective helicopter in 'Reactor' with a different Armament

Skewer the Winged Beast In Under the Radar, have the SAM target itself and the helicopter

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.

Seal the Deal Complete a Triumph Seal.

RPM Completionist Gain all stars in 'RPM'.

Snow Angel Execute the forest sniper in 'Frozen Tundra' with a takedown

Hitchhiker Defuse the bomb on the truck in 'Gora Dam' while it is in motion

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

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

Moneybags Have 15000 credits in the bank in Outbreak.

Factory Zero You survived Hei Zhen Zhu and RBS using no Praxis kits, weapons, grenades or mines. Whoa.

Under The Ice Finish the main quest in The Pale Reach.

Heian Demon Completed all missions in "Darkness in the Capital" on Dream of the Demon.
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Have you tried turning it off and on again? Complete Terminal Error on any difficulty.

The Bank always wins in the end Reach the Bank for the first time.

Steal the Show Perform with the Dead Band at the Mariachi Club as El Muñeco

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

Body Builder Defeat a Giant Skeleton as Uay Pek's Head

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

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

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

Turbocharged Completionist Gain all the stars in 'Turbocharged'.

Fresh Fish Have 5 ice blocks in your cargo.

Hey, Catch! Throw and hit an enemy directly with a Flammable Cannister then blow them up with it

Solino Chainsaw Massacre Eradicate the Infestation at the Compound

Pursuit of Knowledge Filled 80% of the Datalog.

David vs Goliath In Checkmate, destroy the APC using an RC-XD

They Came From the Lake Liquidate the Infestation at the Lake

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)

Herr Today, Gone Tomorrow Wolf Mountain - Complete the mission.

Kali Ma Complete Abaddon Asylum on any difficulty.

Shot Blocked Shoot the gun out of the air in 'Flashpoint' before a terrorist catches it

Demons on a Plane Obliterate the Infestation at the Crash

The Flying Dead Abolish the Infestation on the Mountain

From The Black Depths Catch the Colossal Squid.

Rapid Reflexes Get 5 Headshot Kills during a single use of the Adrenaline Stim in Campaign

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

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

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