sledgehammer

Lights Out! In 'Black Cats', blast out all of the spot lights in the Japanese cargo convoy. (Solo only)

Bull in a China Shop Freeze and melee kill 3 Ravagers

Cleaned The Mean Streets You caught 20 criminals through the police computer.

Career Criminal Attain 100% Game Completion.

Eyes Of The Storm Obtain A Thousand Eyes skill, equip elite versions of Oathtaker's Bow and Sinchi Chiqa Battle Dress

Twice Nightly Complete New Game Plus

Silver Revenge Obtain 48 medals on the original Arkham City ranked maps (as Batman)

Unstoppable Reach Wave 15 in each mission of Special Ops Survival mode.

Nothing But Net Score a basket by lobbing a grenade through a basketball hoop

The Last Laugh The joke's on who?

Put Herself Together Complete the Mother Protector Challenge Tomb

Creature Comforts Obtain White Breath skill, equip Grip of Fear White Knuckle and Scales of Q Feathered Serpent

Gladiator Completed a Coliseum Attack stage

Head Games Rescue Mad Hatter's second hostage.

The Taken King Complete "The Taken King" quest.

Fireworks Use the Wildfire secondary fire to kill 6 enemies in one shot

Boom Stick Use the upgraded Rossmore secondary fire to set 6 enemies on fire at once

Peek-a-boo! Kick open a door, peek open a door, and throw a grenade while peeking a door.

Kamikaze Complete a level on Regular difficulty or higher using only melee or grenades. (Solo only)

Roops! Knock a Hybrid off the cliffs in Mt. Pleasant, PA

That Lucky Old Sun Completed That Lucky Old Sun.

Relic Hunter Assist in capturing 20 capture points in Salvage.

Raider Complete a Raid.

Perfect Aim Win a match as Deathstroke without missing a shot (minimum 12 shots)

Tunnel Entrance Activate your first Metro Station.

Double Down Played 10 hands of Blackjack.

In Storybook Endings Lock up Mad Hatter in GCPD.

For Close Encounters Get 10 one-hit head-shot kills with the shotgun in the single player Campaign.

G.I. Blues Completed G.I. Blues.

Completionist Completed all missions in Secret Armory

No Tumbler Fumbler Picked 25 locks.

Your Story Starts Here Your first goal for Story Mode is just to clear it once. You can probably guess, but I cleared it with Master Zangief first!

Part III Complete Complete Part III Of The Story

One Armed Bandit Played 10 spins of Slots.

The Beginning of the End In Shadows of Evil, complete all Rituals.

Solid Gold, Baby! Earn any 70 Gold Medals on Missions, Strangers and Freaks.

Titan Mastery Fully upgrade a Titan Subclass.

Oversight Become Overseer

Master Mechanic Fully upgrade all weapons in Campaign Mode

Toast Use the upgraded Deadeye secondary fire to kill 2+ enemies, 5 times

Chain Reaction You exploded 10 vehicles in 10 seconds.

Made it Out Alive Escape 1st time in Regular or Hardcore difficulty.

Hell-Burbia Completed the larger challenge in the Hell-Burbia coliseum

Spoiled For Choice Obtain Divine Bounty skill, equip Serpent Lash Godslayer weapon and Dragon Scales Legend outfit

Up and Comer Reached 20th level.

Architect Complete 'Vendetta' on Veteran difficulty. (Solo only)

King of Adventure Discovered all of the treasure chests

Danger Zone Buy all items from the Survival Air Support Armory.

Ready To Rumble Obtain the Volcano Skill, equip Whispering Scourge Pandemic weapon and Reptile Hide Leviathan outfit

Take Me To Hell Complete Act 2 - Chapter 1 on any difficulty setting