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Helipocalypse Destroy 6 helicopters in the "Kill Switch" Special Ops mission.

Flawless Clarity Complete a run in Lost Between Worlds in 15 minutes

Plane sailing Complete Alpine Blitz on any difficulty.

Defeated 500 Enemies Defeat 500 enemies in Story Mode.

Eternal Complete the Endless Knight AR Challenge, taking out 50 Enemies as Batman.

End Of The Century Excitement! Parallel Quest completion rate is over 80%!

Skilled Negotiator Complete the Special Ops mission "Negotiator" on Veteran difficulty.

Nothing personal Perform 20 taunts

Expert Aim 50 quick Stuns.

Crime Is a Terrible Thing to Waste Surf the sewers and sabotage Clayface's masterpiece

I said we’re CLOSED! In Nacht Der Untoten, do not let any zombies enter the building during the first 3 rounds.

Backyard Gardener Cultivate 1 hectare

I never redoubted you! Complete Dead Zeppelin on any difficulty.

A Necessary Relocation Abandon hope that a friend will return.

Quick Off Your Feet In Der Eisendrache, wall buy the BRM.

The Cold, the Bad and the Ugly Stop Harley Quinn's spectacular siege at S.T.A.R. Labs

May Your Survival Be Long Win a Daily Run of No Return

Elevate Your Senses! Activate the Fly Trap. (Map Pack 3 only)

More Wood! Cut down 25 trees

Push Yourself Harder Complete any 3 categories in Advanced Training or Strategy Training

Challenger Fought in the Battle Arena.

Fully Operational Build every Abbey upgrade in a single campaign.

Fully Armed Acquire every Hunter ability.

Reached Level 20 Increase Harry’s abilities to level 20.

Needful Things Use 25 combat items.

Handle with Care Complete the "Special Delivery" Special Ops mission on any difficulty.

A Cold Dark Night Follow the Light and face the Darkness within.

Main Course Earn all 81 Stamps available in Super Size Career

EMPressive... Complete the "Kill Switch" Special Ops mission on Veteran difficulty.

Apex Complete the "Vertigo" Special Ops mission on any difficulty.

The Eagle has Landers In Ascension, escape on all three lunar landers.

Happy Plants Fertilize 1 hectare

A Clue to Investigate Piece together what has been seen to discover a direction forward.

Longplay Reach 10 hours of playing time in a single savegame

High Five Complete a Five-player game

A Desperate Betrayal Uncover some answers in exchange for freedom.

Comeback King Won after coming back from 3 goals down

Not on My Watch Rescue all the hostages in the Special Ops mission "Negotiator."

Never Raced or Rallied Buy a vehicle from the Classifieds

A Valiant Friend All but one live to fight another day.

You Have the Lead Complete a general mission led by every hero.

Feline Revenge Obtain all 72 medals on the original Arkham City ranked maps (as Catwoman)

Death From Above In Der Eisendrache, kill a zombie while being flung by a Wundersphere.

That’s a lot of Jigawatts! In Der Eisendrache, electrocute 121 zombies.

Survivalist Get a 5 star rating on any Hard Challenge!

It's Nice to Be Wanted Defeat each of Gotham's Most Wanted present during the KELVIN Incident

Element of Surprise Break Supercharged criminals 50 times using Elemental Effect weaknesses

Siege Complete the "Light 'Em Up" Special Ops mission on any difficulty.

Strong Together Gave your allies multiple skill upgrades.
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Team Player Revived KO'd allies 7 times in online matches!