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Careful Descent Complete a level without taking damage.

Gary Has His Reasons Hear 20 reasons why Gary won't grab that

Blade of Death Killed 20 enemies using Throwing Knives

Amateur Bouncer Protected Sammy's from the Dixie Mafia

MOD Tinkerer Have every Gear MOD active for at least 1 minute each.

Cardboard Companions You found all of your cardboard buddies.

Honor Bound Bind a piece of gear to a class.

Make it Raaaaaid Vanquish the Ancient Dragons of Destruction.

The Fourth Time Defeat Dr. Neo Cortex

He Must have a Reason Stand up for someone even though you haven't met him

Goromi the Hostess Met the mysterious lady, Goromi.

Friendly Skies Defeated all waves in The OPS Zeal.

Butterfly Collector Collect some butterfies.

Tower Master Complete 10 Living Towers

The Next Most Logical Course of Action Start a group dance party

Perfect Timing Complete 100% of the Time Trials

Campaign Bronze Obtain 36 medals on the original Arkham City campaigns (as Batman)

Active Lifestyle Get a 3 Star Rating on all the Activities in the game

Brother 3 Defeat the Übergarde in Brother 3.

Zomboss Recruit Reach Level 5 with Every Zombie Class

Ack Ack Protect your tanks by shooting down all planes in Operation Cobra.

Knot Too Difficult Clear up a tangled situation in one attempt

*Slap* In solo play, finish off a Goliath with a melee attack

King of Battle Achieved five-star ranks in all Coliseum Attack stages

Not a Scratch on Her! I'm not taking any chances, this bus can't take much more damage. (Ch. 12)

Great Outdoors Endurance Challenge: Survive for 10 days

Best of the Bunch Earn the MVP award in any Online Tournament match

Full House Kill 5 enemies with each type of Agony Bolt.

Terraformer Increase a discovered planet to 100% viability.

Dead, Dead, Deadski Defeat a zombie by stomping on them.

Phased and Confused Phaselock 100 enemies.

Majima From Below Assaulted by Majima from a manhole.

Frequent Flyer Zip Kick 5 different thugs

A Kontender Complete 1 Tower Battle

Stuck on You As a Scientist, Vanquish 10 Players with the Sticky Explody Ball

Break it Down! Breaker Majima forced his way into a fight.

Pedro, I'm Sorry... Defeat Mutant Pedro in Claire's Episode Two.

Intruder Get through 10 code locks.

The Ultimate Payback Collect all trophies

Vacation Endurance Challenge: Escape the forest after surviving for 7 days

Explorer Find an ampersand (&)

Old Fashioned Beat Down Complete HARM Challenges I to V

Gold Revenge Obtain all 72 medals on the original Arkham City ranked maps (as Batman)

A Feast for Two Endurance Co-op Challenge: Eat the meat of 3 bears with your partner

Back to School Play any Popit Puzzle whilst wearing a Newton costume

Ahoy Matey Summon a Barrel Pirate and Map Pirate Zombie in Gardens & Graveyards

See the Galaxy they said Play at least once on a desert, a forest, and a snow planet.

A Hunter, Through and Through Find and kill all 4 rare spawns.
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Perfect Freeflow 2.0 Perform a perfect combo including all of Batman's combat moves (any play mode)

I Can Do Blunt Weapons Use Moira's crowbar to defeat 50 enemies in the main campaign.