GodJester

Ghost of a Chance Finish the game in Invisible Enemy mode.

TLAD: The Lost Boy Become leader of The Lost. (The Lost and Damned)

Duke Angry, Duke Smash! Kill 15 aliens with melee attacks while on steroids

Smile for the Camera Completed the women's portrait collection.

Saghassi Maniac Found all of Saghassi's Paintings in Hekseville.

Saghassi Fan Found all of Saghassi's Paintings in Jirga Para Lhao.

Hidden Goat Found the hidden goat

Diamond Medal Defeated all bosses using Diamond Knack

The Bird in the Sky Never get noticed by the helicopter

Hell on Wheels Complete 'Blood and Iron' on Veteran difficulty. (Solo only)

Broken, Restored, Empty Complete the first Hospital sequence

Golden Feather Complete Chapter 4 B-Side

Tour Guide Discovered all of the sites in Jirga Para Lhao.

T-Bone: Pest Control Complete Act 3

Forspoken Earn every single trophy.

More For Me Open 100 treasure chests.

The Council of Kangs Have multiple Kangs in a party

Tour Conductor Discovered all of the sites in Hekseville.

The Lounge Is Closed Rescue Rise Kujikawa

Hammer Havoc Kill an enemy with a thrown hammer bouncing at least once before kill

Bouncy Bounce a Moonerang 25 times in a row

Whispers on the Wind Collect all ECHO logs on Xylourgos.
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Dominion Wraith Flash Dominate 50 Uruks.

Up to the Challenge 1 Complete 10 challenges.

In The Web Consume 50 Web Targets.

Robot Revolution Hasta la vista, baby

Tower of Doom Tumble a pile of 6 Scraps

Mad Scientist Awarded for alchemizing 120 different items.

Hippy-Stomper Foot stomp 12 aliens

Location Scout Visit all Locations in Director Mode.

Among the Stars Completed "Among the Stars"

Arkham City Lockdown Defeat every Villain With Batman

Seize the Moment Buy a special croquette from Sozai Daigaku

One Step Ahead Disarm ten trap mechanisms

Heart of the Mountain Collect the Crystal Heart in Chapter 8

Extra strong Upgrade the Health Potions

Do-Gooder Complete all the "extra things to do"

Scrapped Dispatch all the Scraps

Campaign Silver Obtain 72 medals on the original Arkham City campaigns (as Batman)

Bronze Medalist Completed all challenge missions with bronze or better.

Against all odds Defeat any Boss without taking damage

Sentimental Value You kept Megan's bracelet for yourself. Apparently, letting go really is the hardest part.

We Will Survive Win 15 matches in Team Survivors.

The Ice Witch Freeze 20 enemies while wearing Odette.

The Watcher Defeat Algos' first form

And STAY Down Perform 50 follow-ups in the main campaign.

Speed Demon Complete the game in under 4 hours

Scuba Diver Mice spend a total of 600 seconds underwater.

God of War Awarded for overcoming 50 skirmish challenges.

One-Winged Angel Defeat Sephiroth in the Platinum Match at Olympus Coliseum.