Innerpartysystem

Werewolf Mastered Acquire 11 werewolf perks

Baron von Nukem Shoot down 20 alien fighters

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

Not Part of the Job Description The water's rising, but we'll get out of this without a scratch. (Ch. 5)

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

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

Keep your distance Find all ranged weapons

Find() Inspect 10 completed Function Files.

Mediocrity Complete Campaign Mode On 'Normal'

Twice Nightly Complete New Game Plus

Bringing the Pain Defeat 50 players using physical attacks in Versus.

The Last Laugh The joke's on who?

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

Right Hand Man Promote one of your made men to Capo.

Blender Killed 200 enemies with Claw Spin

Twins of Valentine Completed Chapter 3 of Cornelius's tale.

Master of Sorcery Learn all sorceries

Double Down Played 10 hands of Blackjack.

It's a trap! Score a combo of 75 or more while fighting up the stairs at the "Front Gates of EEEEEEEVIL!"

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

Theater Enthusiast Buy every sphere at the Luca Theater

Veteran Status Qualify from 500 rounds

Counter-serum Chat with Dr. Hypatia aboard the Dreadful Wale

Serial Skiller Awarded for performing a total of 1000 spells or special skills.

Headcase Headshot a Demolition mech 20 times.

From the Jaws Save your Co-Op partner from an execution by killing the attacker.

Substance Abuser Drink beer while on steroids or vice-versa in SP

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

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

The Red Door Disobey Adler’s order to go through the door in Break on Through.

Head Games Rescue Mad Hatter's second hostage.

Gladiator Completed a Coliseum Attack stage

Storyteller Collect all Story entries in Jiminy's Journal.

Globetrotter Awarded for setting foot in all secluded regions.

Hey, it's-a-me again! Perform a highground attack as a finishing move

A Night in 1849 Visited the past

Final Mix Master Clear game on Final Mix or a higher difficulty level.

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

No Tumbler Fumbler Picked 25 locks.

“A Shocking Turn of Events” – Expert The player has rescued the Little Sister in “A Shocking Turn of Events” in under 4:00

Master Architect Build three houses

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

Cat Claw Defeated 10 enemies with one Spiraling Claw.

Treetop Trouncer Awarded for battling through a horde of rampaging monsters to save the World Tree.

Death of a Sales Rat Defeat General Rat.

Blood Master's Trophy Obtained Best Weapon by Suckerstone

A Dominating Presence In multiplayer, boost 100 allies with the Officer commands.

Black Market Burglar Rob a black market shop

Full Of Lead Kill 150 mobsters only using firearms.

Completionist Completed all missions in Secret Armory