JDeronimo

Dreadnought Fully power up the Leviathan.

Surgical You played from the first mission through Kaldwin's Bridge killing fewer than 10 characters

400 Beat 400 enemies

TL;DR: Gardens Completed the Gardens under 3 minutes.

MemHunter Elite Finish the game in Memory Hunter Mode

Tempest You killed 6 enemies in less than 1 second

Catch me if you can Defeat Arclight while taking no damage from her slam attacks

Jungle Activate the Jungle laser.

Versatile You killed characters with each weapon and offensive gadget

Together is Better Play and complete an Online match with one or more Clubmates

Shock Til They Drop Defeat 45 Regulator Shockers

Queen of the hill Survive the entire Leaking Brain assault (episode 3) without using Power or Regen Pressens

A Worthy Successor Unlock all Knighthood Abilities for any member of the Batman Family

Treehouses Activate the Treehouse laser.

New Profile Who This? Change your Player Banner, Avatar Border, and Player Title

Gotta patch them all! Find all SAT Patches

Vague Remembrances Completed "Memories of Poison."

Bulldozed Defeat 30 Freaks Bulldozers

The Artist Unlock all Visual Customization points

No DP? No madness Complete the game on Veteran difficulty

Lift Off Use only the Booster for 15 non-consecutive minutes -- Air Lifter and Retract can't be active!

A Legend for All Time Complete Jin's Journey in New Game+.

Machines do it better Use the Sensen RIP to make robots knock 20 human enemies out

Town Activate the Town laser.

Double, Double, Toil And Trouble Create 20 Concoctions.

It's all in the details Find all Mnesist memories

Self-Actualized Reach rank 20 in any role.

The Fire's Light Completed "Memories of Fire."

Anarchy in the UK Turn a district to hostile status

I AM the Batman! Reclaim your city.

Pest control Find all Scaramechs

Phantom Memories Completed "Phantoms of the Past."

Fusion Expert Acquire 50 Modchips via mod fusion

Does Not Obey Smash your way through all the Billboards

8-hit wonder Perform 40 8-hit Combos

In Your Element Inflict Elemental Effects on enemies 50 times

Chapters 8-11 (Normal) Complete Chapters 8 through 11 on Normal difficulty.

Sugar Crash While playing as Colt, use candy to gain a tactical advantage.

The Earth's Light Completed "Memories of Earth."

I can open doors! Complete the Breach in 10 seconds

Bronze Revenge Obtain 24 medals on the original Arkham City ranked maps (as Batman)

Top Dog Reach REP level 50

Leader of the pack Beat a Mourner without beating its supporting sidekicks

Egoraphobia Complete 'Lost in Transmission.'

Under The Red Hood Shut down this operation.

Unlife is strange Save this poor plant with water

Bat Out of Hell Complete every Batcycle time trial

Wicked Weave Master Execute 20 Wicked Weave attacks while using Dodge Offset.

YOLO Deceptively Beat the Last Chapter Without Dying on Normal Difficulty or Harder

Hidden Kings Complete the Lucky Emblems section of the Gummiphone.