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Ghosts of the Past Face all of Carver’s demons by completing all Co-Op only optional missions.

10 Story Versus Wins Win 10 Story mode Versus games against at least one other player offline

Faster Than Light Achieve a 10x point multiplayer in "Jimmy's Vendetta".

“Worlds of Hurt” – Expert Rescued the Little Sister in “Worlds of Hurt” in under 15:00, on Medium or higher difficulty

Gladiator school Survive 15 consecutive waves with each of the 4 characters.

Join The Midnight Club You won a multiplayer race without damaging your vehicle too much.

Conservation Extract all wild animal species.

Campaign Gold Obtain all 108 medals on the original Arkham City campaigns (as Batman)

You Got The Message You delivered all 30 cars ordered through text message.

Perfect Knight - Day 2 Complete every challenge in Arkham City - Main Story, Side Missions, Upgrades, Collectables, New Game Plus and Riddler's Revenge (as Batman)

Materia Maven Obtain all materia available from Shinra Box Buster challenges.

Trick Arrow Skills Shoot a Lizard with a Special Arrow

On the Cob Complete 'Zero Bark Thirty'.

Goat Any Last Words? As a Goat, vanquish a Plant.

No More Strangers You've met all the random characters.

Unsullied Clear a round without taking damage.

Staring at Shadows Complete 12 Waves and escape from Horde Map 'Undead Wood'

Platinum Congratulations!

Mango Tango Complete 'Showdown'.

Yuck! Complete 'Yuck!'.

Teamplayer You killed 5 opposing team members.

Entombed Giant Defeat 6th Colossus

Her Majesty Complete 'Well That Escalated Quickly'.

Prance vs Samba Gesture immediately after vanquishing a player.

Genetically Superior You came first in 20 singleplayer street races.

Light collector Gather all the 30 Light gems

Veteran Acquire 100000 experience points

Green collector Gather all the 30 Life gems

The Explorer Complete all optional missions.

Master improver Find all the secret Brotherhood arks

Dark collector Gather all the 30 Shadow gems

Five Finger Discount Finish the Supermarket level in "Joe's Adventures."

Dwarf Raiden Incapacitate all the soldiers in File R-02 using a Dwarf Gekko.

Sharpshooter Kill 100 enemies by headshots in "Jimmy's Vendetta".

Master jeweler Gather all hidden magic gems

Weedkiller Kill 5 Cysts in the Biology Building with a single poison gas cloud.

Pond Scum Destroy a total of 5 Vodomjerka during story mode.

King of Winter Defeat Blue Gnome King.

Speed Demon Complete Hard Mode Under 5:41:28 s

Aww Shucks! As Kernel Corn, vanquish 25 Zombies with the Shuck Shot.

Bomb Squad Defuse all bombs in 3 minutes or less

A Few New Tricks Use 5 different Quickfire gadgets in one fight as Robin in Harley Quinn's Revenge

Master fighter Buy all combos

TLAD: Easy Rider Finish the story. (The Lost and Damned)

Carnapper Finish all car dealer missions in "Jimmy's Vendetta".

Differing Paths Finished the Chapter of Two Unparalleled Warriors

Mind the Goods Finish the Cathouse level in "Joe's Adventures."

VIPs Only! Play a private match with your own custom rules.

West Indian Lilac Enter Infinity as a Plant.

Gnome Man's Land Enter the Chamber of Gnomes.