Shady-Nx

Committed To The Cause Reach level 55 in Multiplayer.

Ultra Hard Completed Completed a New Game+ playthrough on Ultra Hard difficulty.

Watchman hunter Kill 50 Watchmen.

Dear Santa Find all the letters to Santa in the holiday missions.

Puzzler Rescue the third hostage from Riddler

Braaaaaaaaaaaaains! Completed the "Braaaaaaaaaaaaains!" mission

Athena, Out Rescued Athena

Gadget Attack Use 5 different Quickfire gadgets in one fight (any play mode)

Hunter Kill 200 Mutants.

ISA TV - Establish communications Made contact with Earth

Common Courtesy Discover and complete all unwritten tales on Iki Island.

Ménage à trois Complete 5 quests with 3 co-op partners.

Supernatural Born Killers Defeat 5 Guardians With a Sniper Rifle

Originality Play in a co-op team of 4 different playable characters.

Ding! Overleveled Reached Level 51

Close Combat Carnage Kill 4 enemies with a shotgun in 10 seconds or less. (campaign only)

Mad Scientist Play a complete match in 3 different Rocket Labs Arenas

Tonic Man Use a Medkit 75 times.

Aggravated Assault Stop all assaults in Arkham City

Drift King Perform a 180 powerslide with Dominus or Takumi

Walking the Dinosaur Spend 30 minutes with Raptor Ned as your homie.

Left Wing, Right Wing Win a Snow Day match with both the Blue and Orange teams

If it's hostile, you kill it. Become a true ranger.

Fully Loaded Collect all of Batman's gadgets and upgrades

Phalanx's Trophy Slayer of Demon “Phalanx”

A Very Genki Holiday Complete all instances of Genki Holiday.

Heavy Reader Kill a librarian.

50x Combo Complete a combo of 50 moves (any play mode, any character)

Make a List, Check it Twice Complete all instances of Naughty and Nice.

10 heads are better than 1 Kill 10 zombies in a row with headshots.

Rescue Ranger Save a group of Reds from Fascist captivity.

The Road To Glory Live and let die.

Into The Lair - Reach the cable car Reached the cable car and gained access to Stahl Arms South

Trigger Happy Kill 100 enemies with assault rifles.

Infinite Power! Activate every power-up in Rumble mode

Speed Kills Destroyed a Lancer while in a Racer

Aim High Kill 250 enemies with headshots. (campaign only)

Jail Break - Liberate Narville Liberated Narville from Stahl Arms South

Inquisitor Kill 2 demons.

The Start of a Legacy Discover the truth about Darius's past.

He's Still on the Naughty List Deliver a present to Zinyak in 'The Santa Clawz'.

Generous Help the poor, a coin for the kid, medicine for the sick. You help everyone you see.

Rootin' Tootin' Lootin' Loot 5 Exceptional Weapons.

Health Inspector Destroy all the green polyps inside Paul in 'Pop His Top'.

An Inch and 6.2 Miles Drive 10 km with the Vortex, Cristiano, or Spinner Wheels

Go Down And Stay Down - Destroy the ATAC Defeated the ATAC outside the Stahl Arms facility

Predator and Prey Kill all of the Ancients in the Order of the Hunters in Makedonia.

Team Play Kill an enemy with a headshot while they are being harassed by Senu (The Hidden Ones)

Snake Stealthily kill 15 Enemies.

Fire in the hole Kill 20 lurkers.